Patent Abstract:
In one embodiment a hand operated machine for making curly ribbon products comprises a rotary drum that includes a station to attach the uncurled ribbons (more than one), a cutting station to cut the curled ribbons, and a stapling station to staple the ribbons together or to a card, ribbon, or the like. A handle is provided to rotate the drum and a fixed curling mechanism mounted downstream of the drum serves to curl the ribbon as the drum rotates to place the ribbon in contact with the curling mechanism. In another embodiment the machine is automated and includes a drum that has the same stations. The attaching station includes a pair of jaws that are sequentially movable one relative to the other and together to attain attaching the ribbons to the drum for the first cycle, detaching the ribbon during the first cycle and attaching the succeeding ribbon used in the next cycle for mass producing the curly ribbon product. The stapling and cutting are automatic and the card feeding machine is movable relative to the drum to avoid snarling the ribbon when released. The curling mechanism is adjustable to change the exit angle to select the desired curl characteristics of the curled ribbon.

Full Description:
TECHNICAL FIELD  
         [0001]    This invention relates to a ribbon curling machine and more particularly to both a hand operated ribbon curling machine and an automatic ribbon curling machine for producing a multiple curled ribbon decorative product where the ribbons overlie each other and are attached together. In some embodiments the curled ribbons are attached to a self sticking backing card or a bow or a display holding card or the like.  
         BACKGROUND OF THE INVENTION  
         [0002]    As is known to those skilled in this technology, there are sundry ways in which to curl ribbon of the type that are typically used to decorate packages, flowers/cookie baskets and the like. One of the more arcane methods of curling is by sliding the ribbon over a knife-edge or any other object where the ribbon slides over a friction surface. For example the simple operation of sliding the ribbon over the edge of ordinary pair of scissors causes the ribbon, be it paper or plastic, to curl. This obviously has limitations, such as being slow, typically done for a single ribbon, and in the more common usage the practice was to curl the end portions of a typical decorative bow. Other types of curling has been done by hand-held curling tools as those described In U.S. Pat. Nos. 5,400,452 granted on Mar. 28, 1995; 5,564,145 granted on Oct. 25, 1996; 5,407,417 granted on Apr. 18, 1995 to Fredric Goldstein, one of the joint inventors of this patent application. Obviously, like the scissors described above, the curling tools disclosed in the immediately aforementioned patents all would require tedious curling and assembly of the curled ribbon strands.  
           [0003]    In more recent years, the curling of the ribbon has become automated where a drawing apparatus draws the ribbon to be in frictional engagement with an edge to impart a curl to the ribbon and stripping mechanism that permits the mass production of the curled ribbon which can then be utilized for different types of applications. Examples of this type of mass produced curled ribbon is disclosed in U.S. Pat. Nos. 5,518,492 granted on May 21, 1996, 5,711,752 granted on Jan. 27, 1998 and 5,916,081 granted on Jun. 29, 1999 to Fredric Goldstein, a co-inventor of this patent application.  
           [0004]    Also, we are aware of other machines that has the ability of making a curled product that has certain similarities to the end product of this invention and is made by an entirely different method. In one instance, a reciprocal sliding mechanism includes a clamp that holds a ribbon while it is drawn over a stapling device. The ribbon is laid over itself to form a stack of curled ribbons and a stapling device staples the ribbon to a backing card and the cycle is repeated.  
           [0005]    This invention is primarily concerned with the curled ribbon that is packaged in one or a number of configurations including the configuration as shown in FIG. 1 of this patent application (curly ribbon). As noted therein, this curled ribbon ribbon product has four (4) curled ribbons  2  each of which are stapled in the center via staple  4 . This makes eight (8) strands of curled ribbons  3  emanating from staple  4 . Obviously, when a given length of ribbon is attached intermediate the ends of the ribbon by a staple, the portions of the ribbon emanating from the staple forms two (2) strands. In this end curly ribbon product card  5  and ribbons  2  are stapled together. The card which is designed to hang in a display rack may include one surface (not shown) coated with a glue and a paper cover that is removable to uncover the glued surface for sticking to a package and the front surface may include indicia, such as a logo, price, etc. Obviously, in other embodiments the card may be replaced by or made complementary to other devices or objects such as a bow, ribbon, string etc. It obviously should be understood that the FIG. 1 end product is simply one example of an end product of a curly ribbon product. The end product could include as many strands as desired, and it is typical that more than eight (8) strands are formed to make-up the end product.  
           [0006]    In one embodiment of this invention, the apparatus for making this product is portable and hand-operated and in an other embodiment of this invention, the product is automatically produced. It will be appreciated that in both embodiments, the ribbon is wrapped around a drum or rotor as it is rotated about an axis either by hand or a motor and that at discreet locations on the drum are provided mechanism for clamping the ribbons onto the drum, stapling the ribbons and card together and cutting the ribbons in another appropriate location. Obviously, the curled ribbon for some decorative purposes are affixed at an intermediate portion and for others they are affixed at the end.  
           [0007]    In one preferred embodiment of this invention, a hand operated drum, reel or disk (hereinafter referred to as a drum) mounted for rotation and includes a handle attached to the drum for causing the rotation. This embodiment also includes a number of posts for holding a number of spools of ribbon, an equal number of guide posts for each of the spools, an equal number of curling clamps where the ribbon is placed in frictional engagement or contact to impart the curl thereto and a single guide post where all the ribbons are accumulated in such a manner that a portion of the ribbon is laid over other portions to form a stack to allow clamping with a single clamp. The drum includes stations to hold the combined ribbons with the use of an alligator clamp, and predetermined stations, one to staple the ribbons together and another to cut the ribbons. A card holder mechanism may be employed at the stapling station where the ribbons and card are simultaneously stapled together.  
           [0008]    In another embodiment of this invention, an automated machine mass produces the entire package automatically once the machine is initially threaded. In this embodiment and according to this invention, a clamping mechanism including a pair of jaws judiciously clamps the then curled ribbon to the drum after being curled, the clamp releases the processed ribbon once the drum grasps the ribbons and sequentially re-clamps the next to be processed ribbons to continuously and cyclically produce an entire finished product. Also in accordance with this invention, this automated machine judiciously staples and judiciously cuts the curled ribbons in the proper sequence to produce the end product.  
           [0009]    The advantages of utilizing a drum as taught by this invention and without limitation are as follows:  
           [0010]    1) the drum provides a compact drive system, more compact than heretofore known systems, making it possible to have a machine which requires minimal space, and in the portable unit, it can fit on an ordinary kitchen table or the like;  
           [0011]    2) the strands are inherently stacked together in the process of being pulled, unlike sets of wheels which would have to guide the 12 strands, for example, upon each other, which is critical when stapling or attaching the ribbon strands to a card;  
           [0012]    3) the drum obviates the need of sets of wheel or roller drive systems and the necessity of synchronizing the wheels and rollers in these types of systems and avoids the potential of “looping”;  
           [0013]    4) the drum, obviously, can increase the number of strands simply by increasing the number of revolutions in a cycle;  
           [0014]    5) because the ribbon wraps around itself on the drum the ribbon eventually secures itself to the drum and the clamp for originally clamping ribbon to the drum is released. This reduces the drag on the drum reduces as the rotation continues. This obviates the problems of adverse release and tearing of the ribbon in heretofore know systems. Also, the drum inherently requires less power in the drum and clamp to operate than these heretofore known system; and  
           [0015]    6. the system using the drum always ends in the starting position for the next set of strands avoiding the necessity of repositioning the mechanism to begin the process.  
           [0016]    In another aspect of this invention, the amount of curl can be controlled by selecting the proper discharge angle that the ribbon makes relative to the surface where the curl is imparted. Typically, the more acute the angle and hence the amount of drag or friction imparted to the ribbon as it is makes contact with the member imparting the drag or friction, the greater the degree of curl in the ribbon. This is the case no matter what the material the ribbon takes. This feature significantly allows the user to decide the overall size and shape of the curled ribbon product, whereby acute angles provides a more compact curled bow while lesser acute angles provides larger more flowing curls. When producing the curled ribbon product by an automated machine the curling device of this invention allows for consistency and flexibility in production.  
         SUMMARY OF THE INVENTION  
         [0017]    An object of this invention is to fabricate a curled ribbon end product either manually or automatically by winding a plurality of ribbons around a rotating body and simultaneously imparting a curl thereto and then affixing the ribbons to another member and cutting the ribbon at different locations on the rotating body.  
           [0018]    A feature of this invention is to provide a hand operated machine for making curled ribbons and attaching a plurality of ribbons taken from spools of ribbons to a clip or bobbin that is inserted into a rotatable drum that is rotated about an axis as by a handle mounted on the drum to draw the ribbons over a curling mechanism and which drum includes different stations for stapling the ribbons to each other and/or a card and for cutting the curled stapled ribbons.  
           [0019]    Another feature of this invention is to provide a machine for automatically curling ribbons, attaching the curled ribbons to the drum of the machine, stapling the curled ribbons together at one station of the drum and cutting the ribbons at another station of the drum for producing a decorative piece. It will be appreciated that unless the ribbon upstream of the cutting or severing device is clamped prior to cutting, the ribbon will become disengaged from the drum and disrupt the cycle.  
           [0020]    Another feature of this invention is to provide a curling device for imparting a curl to the ribbon that includes mechanism for changing the exit angle that the ribbon makes with the curling mechanism to control the curl characteristics of the ribbon.  
           [0021]    Another feature of this invention is to provide a clamp that comprises automated fingers or jaws that are Controllable to temporally clamp, release and re-clamp a plurality of ribbons wound around a rotating drum.  
           [0022]    Another feature of this invention is to provide an automatic machine for mass producing decorative curled ribbons by curling each of a number of ribbons and then combining and processing the combined ribbons through a number of sequential operations including the steps of winding the plurality of ribbons around a drum after being curled, affixing the curled ribbons to a card having a glued backing with the use of an automatic card feeding and stapling mechanism, an anvil, separately cutting the assembled card and curled ribbons that are attached to the card and releasing the assembled unit from the machine.  
           [0023]    Another object of this invention is the method for producing a decorative multi-colored curled ribbon end product from a continuous supply of different colored uncurled ribbons including the steps of combining the different colored ribbons, stapling and cutting thereof.  
           [0024]    Another feature of this invention is to provide a method that cyclically produces a curled ribbon product by the steps of providing a rotating drum, a clamp for clamping a plurality of ribbons which may be of different colors to a the drum until the ribbons are self-supported to the drum and then releasing the clamp from the ribbons, re-clamping the plurality of ribbons, affixing the ribbons together and then cutting the affixed ribbons in one cycle so as to provide a continuous process for mass producing the end product without the necessity of manually feeding the machine after the initial feed.  
           [0025]    A still further object of this invention is to teach a system for making curled ribbon product that is characterized as being simple and inexpensive to use and manufacture as well as affording the following advantages:  
           [0026]    1) a compact drive system, more compact than heretofore known systems is attained, making it possible to have a machine which requires minimal space, and in the portable unit, it can fit on an ordinary kitchen table or the like;  
           [0027]    2) the strands are inherently stacked together in the process of being pulled, unlike sets of wheels which would have to guide the 12 strands, for example, upon each other, which is critical when stapling or attaching the ribbon strands to a card;  
           [0028]    3) it obviates the need of sets of wheel or roller drive systems and the necessity of synchronizing the wheels and rollers in these types of systems and avoids the potential of “looping”;  
           [0029]    4) it increases the number of strands simply by increasing the number of revolutions in a cycle;  
           [0030]    5) because the ribbon wraps around itself on the drum the ribbon eventually secures itself to the drum and the clamp for originally clamping ribbon to the drum is released. This reduces the drag on the drum reduces as the rotation continue This obviates the problems of adverse release and tearing of the ribbon in heretofore know systems. Also, the drum inherently requires less power in the drum and clamp to operate than these heretofore known system; and  
           [0031]    6. the system always ends in the starting position for the next set of strands avoiding the necessity of repositioning the mechanism to begin the process.  
           [0032]    The foregoing and other features of the present invention will become more apparent from the following description and accompanying drawings. 
       
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0033]    [0033]FIG. 1 is a perspective view showing one version of the decorative curled ribbon after being processed;  
         [0034]    [0034]FIG. 2 is a perspective view of the hand operated curl making machine of this invention;  
         [0035]    [0035]FIG. 2A is a schematic view of the embodiment depicted in FIG. 2;  
         [0036]    [0036]FIG. 3 is a view in perspective and schematic illustrating a portion of the automated machine of this invention;  
         [0037]    [0037]FIG. 4 is a schematic illustration of the various stations on the drum and the actuation mechanisms associated with each of the stations for the automated machine of this invention;  
         [0038]    [0038]FIG. 5 is an isometric exploded view illustrating the details of the curling mechanism of this invention;  
         [0039]    [0039]FIG. 6 is a side view and schematic illustration of the curling mechanism of FIG. 5 illustrating the exit angle that the ribbon makes relative to the curling mechanism that can be changed to change the curling characteristic of the ribbon;  
         [0040]    [0040]FIG. 7 is a partial view in perspective illustrating the clamping and cutting stations of this invention.  
         [0041]    [0041]FIG. 8 a  is a schematic illustration of the various stations on the drum and the actuation mechanisms associated with each of the stations for the automated machine of this invention where the drum is at a given location for one of the functions of the cycle;  
         [0042]    [0042]FIG. 8 b  is a elevated view of the a portion of the drum at one of the stations illustrating the position of the clamp and ribbons at the location of FIG. 8 a;    
         [0043]    [0043]FIG. 9 a  is identical to FIG. 8 a  illustrating a different location of the drum at a different function of the machine during the cycle of operation;  
         [0044]    [0044]FIG. 9 b  is identical to FIG. 8 b  illustrating the a different position of the clamp and ribbon at the location of FIG. 9 a;    
         [0045]    [0045]FIG. 10 a  is identical to FIG. 9 a  illustrating a different location of the drum at a different function of the machine during the cycle of operation;  
         [0046]    [0046]FIG. 10 b  is identical to FIG. 9 b  illustrating the a different position of the clamp and ribbon at the location of FIG. 10 a;    
         [0047]    [0047]FIG. 11 a  is identical to FIG. 10 a  illustrating a different location of the drum at a different function of the machine during the cycle of operation;  
         [0048]    [0048]FIG. 11 b  is identical to FIG. 10 b  illustrating the a different position of the clamp and ribbon at the location of FIG. 10 a;    
         [0049]    [0049]FIG. 12 a  is a partial view partly in section, partly in elevation and partly in schematic illustrating the anvil and stapling mechanism of this invention in the deployed position;  
         [0050]    [0050]FIG. 12 b  is identical view of FIG. 12 a  illustrating the staple and anvil in the non-deployed position;  
         [0051]    [0051]FIG. 13 is a plan view of the card feeding mechanism of this invention;  
         [0052]    [0052]FIG. 14 is a block diagram showing the various actuators within the drum and the medium for actuating these actuators; and  
         [0053]    [0053]FIG. 15 is a block diagram showing the various actuators outside of the drum and the medium for actuating these actuators. 
     
    
       [0054]    These figures merely serve to further clarify and illustrate the present invention and are not intended to limit the scope thereof  
       DETAILED DESCRIPTION OF THE INVENTION  
       [0055]    While the invention in its preferred embodiment utilizes a particularized curling mechanism and stapling card it is be understood as one skilled in this art will recognize that this invention contemplates utilizing any type of curling mechanism and the stapling can be to any object such as a bow and the stapling can include other means of attaching the ribbons together and/or attaching objects thereto such as by fusion or adhesives or pinning or card locking or the like. It is also to be understood that the shape and/or configuration of the drum can take any form so long as it rotates about an axis and is capable of supporting the ribbons around the periphery thereof. As one skilled in this art will appreciate, the length of the strands are determined by the circumference of the drum and obviously, the length of each strand will be predicated on the circumference selected for the drum. For example a drum whose circumference is 38 inches (approximately 12 inches in diameter) will produce a curled ribbon that is 38 inches long and hence each strand will be 19 inches long.  
         [0056]    The invention with respect to the hand operated embodiment can best be understood by referring to FIGS. 2 and 3. The portable hand operated curling machine generally illustrated by reference numeral  10  comprises the generally flat base  12  supporting a plurality of upstanding stub shafts or spindles  14  for supporting spools of ribbons  16 . In this instance, three spools of uncurled ribbons are shown, but it is to be understood that any number of spools can be utilized and the number of ribbons selected to form the curled ribbon end product is a matter of choice of the user. A complementary guide spool  18  for each of the spindles  14  are disposed between the curling mechanism  20  that is affixed to the base and the curling drum  26  for guiding the ribbon through the respective curling mechanism  20 . The curling mechanism will be described in detail hereinbelow. Each of the guide spools  18  are loosely fitted on a support spindle  22  affixed to base  12 . These guide spools  18  are free to rotate and afford substantially little if any resistance to the ribbon as is travels through the machine  10 . Another single guide spool  24  similarly attached to a support spindle affixed to base  12  and also loosely fitted to freely rotate is mounted between the curling mechanism  20  and the curling drum  26  and guides the three (3) ribbons in an overlapping configuration.  
         [0057]    The curling drum  26  is rotatably supported to a stub shaft  28  affixed to base  12  and rotates thereabout by virtue of the movement of the handle  30 . Essentially the curling drum  26  consists of at least three stations, namely, the attachment or clamping station  32 , the cutting station  34 , and the stapling station  36 . The attachment station  32 , the cutting station  34  and the stapling station  36  are slots or holes and slots that extend through the width of the drum  26  or at least a sufficient distance to perform the functions as will be described immediately below and are formed adjacent the periphery of the drum  26 . The distance between the cutting station  34  and the stapling station  36  determines at which point the ribbons will be attached to each other. As shown in this embodiment the curled ribbons are being attached at their respective ends. To attach the ribbons at another point, for example, the cutting slot is formed at cutting station  34   a . At this station the ribbon will be attached intermediate the ends and will form a decorative curled ribbon as shown in FIG. 1.  
         [0058]    In operation, each of the uncurled ribbons  16  are threaded and clamped through the respective curling mechanism, then laid adjacent to the respective guide spools  18  and then laid adjacent to the single guide spool  24  and the ends of the ribbons are held together in the overlapping position by the commercially available alligator clamp  38  which, in turn, is inserted by the operator into the aperture formed in the drum at the attachment station  32 . This secures the ribbons to the drum  26 . The operator with the use of the knob  40  affixed to handle  30 , rotates the drum  26  a number of revolutions until the desired end product is achieved, i.e. the number of curled ribbons constituting the end product is obtained. For example, if two (2) revolutions of the drum are made with three uncurled ribbons and the cut is 180° away from the staple station, the end product will include twelve (12) strands of curled ribbon emanating from the staple. On the other hand, if the cut is adjacent to the staple station, the number of strands of curled ribbons will be six (6), albeit twice as long. With an ordinary, commercially available stapler (not shown) with the base fitted into the slot  36  and the hammer head of the stapler straddling the ribbon, the staple is inserted into the ribbons. The stapling station  36  may include a wedged shaped portion  37  on either side of the slot which is designed to hold a card adjacent to the curled ribbons and in this instance the card is concomitantly stapled to the ribbons as shown in FIG. 1. The operator next, with the use of commercially available scissors (not shown) inserts the blades of the scissors to straddle the ribbons and snips the ribbons to produce the end item. Obviously, the ribbons can be cut with any other well known device, such as a knife or razor. The curled ribbons as processed by this portable curling machine produces the decorative piece as the end item which is ready for use to decorate a package, basket and the like. Obviously, from the foregoing it is easy to understand that the machine is so simple to operate that it is usable by practically all persons, is portable and sufficiently small and light weight to be easily stored.  
         [0059]    The next portion of this application will describe the automated curling machine generally indicated by reference numeral  50 . Like the drum described in connection with the hand operated curling machine depicted in FIG. 2, this automated machine  50  also includes a drum that wraps the ribbon around the periphery thereof and the drum includes stations for clamping the ribbon, stapling and cutting the ribbons as will be described hereinbelow. Before describing the entire machine, it is noted that the curling mechanism shown in FIGS. 5 and 6 is substantially the same as the curling mechanism utilized in connection with the machine depicted in FIG. 2 and for the sake of convenience and simplicity this curling mechanism is being described at this point in the disclosure.  
         [0060]    In its preferred embodiment the curling mechanism generally indicated by reference numeral  52  generally consists of two (2) generally cooperative flat plate elements  54  and  56 . Obviously, any type of mechanism that imparts a frictional force when the ribbon is moved in contact therewith that produces a curl can be employed. This particular mechanism has been selected because the exit angle can be changed so as to control the degree of curl in the ribbon as will be explained in more detail hereinbelow. The plate  54  may include a dowel pin  58  that fits into the drilled hole  60  to prevent the plate from rotating and a bolt  62  that fits through hole  64  formed in plate  56  and is threaded to the complementary threads  66  formed in the bore  68  to support the plates together leaving a small gap for allowing the ribbon to pass therebetween. The leading edge  70  of plate  54  is rounded to minimize the friction between that edge and the ribbon passing thereover and the portion  72  adjacent the bottom edge of the plate  56  is recessed and beveled to define a blade-like element where the ribbon comes into contact therewith as it is drawn thereover. A like configuration is provided on the diametrically opposed side to allow either side of the plate  56  to be used.  
         [0061]    As shown in FIG. 6 the ribbon as depicted by the arrow A is threaded over the curved surface of plate  54  and passes between plates  54  and  56  and then over the edge  74  of the recessed portion  72  and led away therefrom as indicated by arrow B. In these embodiments there is virtually no tension in the ribbon upstream of the curling mechanism  52 , save for the amount needed to allow the ribbon to progress through the machine and most of the tension on the ribbon occurs between the edge  76  and the drum. By virtue of this arrangement, the curling mechanism  52  can be oriented to change the angle C formed between the plate  56  and the ribbon. The angle C that is selected will determine the curvature of the curl in the ribbon. In other words, a more acute angle will impart a more severe curl and a less acute angle, i.e. an angle closer to 90 degrees will impart a larger diameter curl.  
         [0062]    In addition to the curling mechanism, as described above, the automated machine as best seen in FIG. 3 includes the rotating drum  80  with specific stations (similar to those depicted in FIG. 2), namely, the ribbon clamping station  82 , the cutting station  84  and the stapling station  86 . The ribbons are similar to FIG. 2 mounted on the base  86  and includes a slotted upstanding member  81  that guides each of the ribbons into the curling mechanism  52 , the guiding spools  83  and  85  also similar to that shown in FIG. 2. The base  88  supporting the drum  80  for rotary motion is supported in an upright position by a suitable cabinet  90  so that when the end product is completed it will fall by gravity to the bottom. The card feeding mechanism  92  which is sequentially placed in position at the stapling station may be pivotally mounted to swing radially outward away from drum  80  after the stapling so that after being cut in the cutting station  92  it will avoid being snag or tangled with the machinery.  
         [0063]    The actuators for controlling the function at the various stations of the drum during operation of the machine are supported internally of the drum in this embodiment and the actuators for controlling the card feeding and card cutting mechanisms are located away from the central portion of the drum and will be described in detail herelinbelow. A control panel generally illustrated by reference numeral  93  mounted on the machine includes suitable commercially available switches that serve to turn on and off the machine, to override the automatic sequence of the machine&#39;s functions which are controlled by a central processing unit  94 , that sequences the rotation of the drum, controls the various actuators both internal and external of the drum and the electric motor  96 , as will be explained hereinbelow. The main control for the machine is a special digital computer including a programmable logic controller unit (PLC) that serves to control the sequencing operations of the machine. The control panel may contain control buttons for jogging the rotational position of the drum, permitting individual actuation of the actuators so as to allow the initial threading of the ribbons, to initiate the automatic and continuous operation of the machine and may include an emergency stop. The PLC is commercially available, as for example, from the Mitsubishi Company of Japan and is of the type that can be programmed which is typically done by a computer programmer to perform the necessary functions as needed.  
         [0064]    [0064]FIGS. 4, 7 a ,  7   b ,  8   a ,  8   b ,  9   a ,  9   b ,  10   a  and  10   b , illustrate schematically the details of the machine excluding the card feed and card cutting mechanisms. As noted therein the drum  80  at the clamping station  100  and cutting station  102  is flattened and this flattened portion  103  has disposed adjacent thereto the jaws  104  and  106  and the cutting blade  109 . Actuators  108 ,  110 ,  112  and  114  serve to control the position of jaws  104  and  106 . Actuator  108  serves to rotate jaw  104 , actuator  110  serves to rotate jaw  104 , actuator  112  serves to position jaw  104  radially outwardly relative to jaw  106  and actuator  114  serves to position both jaws  104  and  106  radially outwardly together with respect to the drum  80 .  
         [0065]    This portion of the description will describe the operation of the clamping mechanism and referring next to FIG. 7, the flattened portion  103  at clamping station  82  includes a recess portion  120  for receiving the jaws  104  and  106  and the partially annular groove  122  partially extending around the circumference receives and guides the first layer of the six (6) curled ribbons. As noted the jaws are in the clamped position in this FIG. 7. In the initial threading of the machine and before clamping this layer of curled ribbons between the jaws  104  and  106 , these jaws are positioned radially outwardly relative to drum  80  and jaw  104  is positioned radially outwardly with respect to jaw  106  providing a gap to accept the curled ribbons (noting that in this embodiment that each layer includes six (6) curled ribbons). Once the clamp is threaded, the jaws are brought together and retracted into the recess portion  120  to clamp the ribbons, and the initial layer of ribbons rides in groove  122  by virtue of actuating the electric servo motor  96  to rotate drum  80 . After the drum has rotated one or more revolutions depending on the number of strands that are required to make up the desired end product the clamping mechanism will be activated to release the layers of ribbons constituting the end product and re-activated to capture the layer of ribbons for the next cycle of operation so as to mass produce the end product. For example and for explanation purposes, assume that the end product will contain twenty-four (24) strands of curled ribbons emanating from the staple, noting that the cutting of the ribbon is 180° away from the stapling station, the drum will make two revolutions (each revolution of the layer of six (6) ribbons makes 12 strands relative to the staple). After the first revolution and when the second bundle of six curled ribbons overlay a portion of the first bundle of six curled ribbons, the combined underlayer and over layer will hold the ribbons to the drum without the assistance of the clamping mechanism. This portion of the machine&#39;s operation is shown in FIGS. 8 a  and  8   b  where it can be seen that the underlayer is clamped between the jaws and the over layer lies over the jaws.  
         [0066]    At this juncture point of the machine operation the jaws are actuated to perform a sequence of moves so as to clamp the next layer of six (6) ribbons to be ready for the next cycle. One cycle produces one end product. While the drum is rotating the cylinders  112 ,  108  and  110  are actuated to open the jaws and rotate the jaws downwardly below the ribbon path. This permits the jaws to release the underlayer of ribbons and to be moved away from the path of the ribbons drawn over the drum  80 . Cylinder  114  is then actuated to position the jaws  104  and  106  away from the drum. This is demonstrated in FIGS. 9 a  and  9   b.    
         [0067]    Before the completed revolution of the second layer of ribbons and during the first cycle, the lower jaw  104  is rotated back in the path of the ribbon by cylinder  110  as seen in FIGS. 10 a  and  10   b . After the portion of the second layer of ribbons passes over the lower jaw  104  the cylinder  108  is actuated to bring the upper jaw  106  in line with the lower jaw  104  and the cylinder  112  is activated to bring both jaws together and clamp the ribbon as seen in FIGS. 11 a  and  11   b . The jaws  104  and  106  are held radially outwardly away from drum  80  until after the cutting and stapling occurs and the next cycle commences.  
         [0068]    This portion of the description describes the cutting and stapling operation of the automatic curled ribbon making machine. After the clamp secures the bundle of ribbons to begin the next cycle, the motor is activated to the stop position. While it isn&#39;t necessary to stop the rotation of the drum since it is possible to perform the next operations while the drum is moving, in its preferred embodiment the stapling and cutting is done while the machine is at rest. To perform the cutting operation, cylinder  140  is actuated to rotate the blade  142  extending through an aperture  144  formed in drum  80 . Blade  142  is pivotally connected to drum  80  by the pin  146  and the reciprocating action of the connecting arm pivots the blade  142  to cause it to cut through the ribbon.  
         [0069]    Obviously, it is necessary to staple or join the respective layers of six ribbons prior to the cutting operation and this portion of the description describes the stapling operation of the machine. The stapling is accomplished in the preferred embodiment by a commercially available industrial type of cartridge feed stapler  146  which may be a Swingline stapler obtained from Swingline Inc. of Long Island City, N.Y. As best seen in FIGS. 12 a  and  12   b  the stapling is done at the stapling station  86  which similar to the cutting and clamping stations is a flattened portion  152  of the periphery of drum  80 . Stapler  146  includes a hammer  154  actuated by cylinder  156  that urges the continuous feed staple  158  toward the anvil  160  that causes one of the staples to pass through the ribbon and card  162  to secure all the individual ribbons and card together to form the end product. The raising and lowering of the anvil  160  is controlled by the cylinder  166  that pushes the pivoted links  188  and  200  via push rod  204  to cause the Y-shape to an I-shape to drive the anvil block  202  up and down.  
         [0070]    The automatic card feeder  220  as best shown in FIG. 13 serves to automatically feed the cards  222  between the anvil  160  and staple  154  (FIGS. 12 a  and  12   b ). The cartridge of cards is feed to the feeder  220  and the cards are urged toward the anvil  160  via the actuator  224  until properly located. The commercially available rotary cutter  226  and cylinder  228  serve cut the card after being stapled to the ribbons. The automatic card feeder  220  is mounted to the base  88  (FIG. 3) adjacent to the drum  80  by the actuator  230  and push rod  232  which supports the automatic card feeder  220  for pivotal movement away from drum  80  once the card is attached to the ribbon and held by the automatic card feeder  220 . Once the end product is spaced away from the drum  80  the card is cut and released from the card feeder  220  and allowed to drop into a suitable carton or conveyor belt as the case may be. If necessary, a blow off nozzle or as many as need be may be employed to assure that the strands of ribbons, which are essentially free floating from the card, does not become ensnared with the mechanism.  
         [0071]    To understand the medium for controlling the various function of the automated curled ribbon curling machine and the interconnection between the various components reference will now be made to block diagram configuration of FIG. 14. In this diagram all of the solid lines represent electrical connection, all of the dash lines represent pressurized air feed hoses connections and all of the dot/dash lines represent feedback connections to the PLC. The PLC produces sequential signals to the individual commercially available solenoid valves generally indicated by reverence numeral  240 . Each cylinder is connected to the air manifold which is connected to a supply of pressurized air by virtue of opening and closing the respective solenoid valves to actuate and de-actuate the respective cylinder. Cylinder  108  actuating jaw  104 , cylinder  110  actuating jaw  106 , cylinder  140  actuating the cutter  142  and cylinder  166  actuating the anvil  160  are commercially available compressed air actuated actuators and suitable actuators of this type, for example are Clippard Cylinders available from the Clippard Instrument Laboratory, Inc. Of Cincinnati, Ohio. The cylinder  156  actuating the stapler and the cylinder  112  actuating the jaws to cause them to separate are also commercially available compressed air actuator and a suitable actuator is a Festo pneumatic actuator available from the Festo Inc. Of Hauppauge, N.Y. The cylinder  114  actuating both jaws together is also a compressed air actuator and a suitable actuator is a Fabco-Air available from Fabco-Air of Gainesville, Fla. The card feed actuator cylinder  224  and the rotary cutter cylinder  228  are also commercially available and a suitable actuator is a Bimba, available from Bimba Manufacturing Company, Monee, Ill.  
         [0072]    It is apparent from the foregoing that the PLC will generate sequential signals to cause the various solenoid valves  250 ,  252 ,  254 ,  256 ,  258 ,  260 ,  262  and  264  to interconnect or disconnect the compressed air from a suitable source  290  to feed each of the cylinders through the respective hoses  270 ,  272 ,  274 ,  276 ,  278 ,  280 ,  282  and  284  to perform the functions as was described in the above paragraphs. The blowoff nozzle  292  is shown and as noted above is utilized to assure that the end product doesn&#39;t become ensnared with the operating mechanism of the curled ribbon machine and is only used as needed. Feed back sensors for the cutter  142 , stapler  146  and anvil  160  serve to feed back the position of each cylinder to the PLC via the lines  294 ,  296  and  298 .  
         [0073]    [0073]FIG. 15 is a block diagram similar to FIG. 14 but showing the functions that are not on the drum namely, the card feed cylinder  224 , the swing arm cylinder  230 , and the card cutter cylinder  226 . The solenoid valves  310 ,  312  and  314  are controlled by the PLC and serve to connect the compressed air to the cylinders  224 ,  230  and  226  via the air hoses  316 ,  318  and  320 , respectively, for providing the respective functions. Feedback for the positions of these respective cylinders are fed back to the PLC through lines  322 .  324  and  326 , respectively. The PLC likewise controls the on/off and position of the motor via the motor driver  338  and encoder  340 . Each of the ribbons are provided with a break sensor  300  that is connected to the PLC via the feed back line  302 .  
         [0074]    What has been shown by this invention is different embodiments of a machine for making curled ribbon products, say a multicolored multiple ribbons formed into a plurality of strands of curled ribbon, either individually or by mass production. The individual making is by a portable hand operated machine that includes a drum or reel for winding the ribbon and drawing it through a curling mechanism, where the drum includes stations for attaching the ribbons to the drum, stapling the ribbons and a card or other item together, and cutting the ribbons to form the desired end product. In the mass production machine, the stations are formed on the periphery of the drum and the attaching is by a judiciously sequenced clamping mechanism and a automatic stapling mechanism that accepts cards from an automatic card feeding mechanism so as to staple the ribbons and card together and discretely positioned the end product away from the drum when releasing the end product from the machine.  
         [0075]    Although this invention has been shown and described with respect to detailed embodiments thereof it will be appreciated and understood by those skilled in the art that various changes in form and detail thereof may be made without departing from the spirit and scope of the claimed invention.

Technology Classification (CPC): 3