Patent Publication Number: US-2021178494-A1

Title: Device for making an opening in an object of interest

Description:
FIELD OF THE INVENTION 
     The present invention relates to devices for making openings in an object of interest and, more particularly, to devices for making openings of predetermined shape. 
     BACKGROUND OF THE INVENTION 
     The known practice of making precise openings in thin materials such as sheets, walls or alike is the following. Boundaries of the openings are marked on a surface of the material. After that, at least one thru hole is made such that a fretsaw can be inserted into the hole. The desired opening is made by means of fret-cutting along the marked boundaries. 
     The abovementioned practice is a very time-consuming operation. In addition, this technology provides a high rate of defective goods. Thus, there is a long-felt and unmet need for a hand-held working tool providing a simple and reproducible technology of making openings of predetermined shape in any thin object of interest. 
     SUMMARY OF THE INVENTION 
     It is hence one object of the invention to disclose a kit for making an aperture in an object of interest. The aforesaid kit comprises: (a) a hand-held tool configured for securing a milling cutter therewithin; the hand-held tool connectable to a rotational drive; (b) a guiding member conformally shaped to the aperture; the guiding member securable to a portion to be removed of the object of interest; the guiding member having a rim. 
     This is the purpose of the present invention to provide the hand-held tool with a bulge guidable by the rim such that such the milling cutter, when being manually movable along the rim, cuts the aperture in the object of interest. 
     Another object of the invention is to disclose the rotational drive which is a hand-held drill. 
     A further object of the invention is to disclose the hand-held tool comprising a housing having a handle for manually manipulating the hand-held tool, a driving member rotatably placed within the housing by means of at least one bearing; the driving member configured for connecting the milling cutter thereto. 
     A further object of the invention is to disclose the milling cutter connectable to the driving member by means of a threaded coupling. 
     A further object of the invention is to disclose the kit comprising a support member attachable to the hand-held tool; the support member having a bore configured for receiving the milling cutter in a coaxial manner; the support member has a first bulge and a second bulge arranged to support the hand-held tool when the first and second bulges are manually moved along the rim of the guiding member in physical contact with surfaces of the guiding member and the object of interest. 
     A further object of the invention is to disclose the bulge comprising a ball mountable in a rotatable manner; the ball is configured for rolling over the surfaces of the guiding member and the object of interest. 
     A further object of the invention is to disclose the object of interest selected from the group consisting of a mineral material, a polymeric material, an alloy material, a composite material and any combination thereof. 
     A further object of the invention is to disclose the mineral material which is gypsum. 
     A further object of the invention is to disclose a hand-held tool for making an aperture in an object of interest. The aforesaid hand-held tool configured for securing a milling cutter therewithin. The hand-held tool is connectable to a rotational drive. 
     A further purpose of the present invention is to provide a hand-held tool provided with a bulge guidable by a guiding member conformally shaped to the aperture. 
     A further object of the invention is to disclose the guiding member securable to a portion to be removed of the object of interest such that such the milling cutter, when being manually movable along the rim, cuts the aperture in the object of interest. 
     A further object of the invention is to disclose a method of making an aperture in an object of interest. The aforesaid method comprising steps of: (a) providing a kit for making an aperture in an object of interest; the kit comprising: (i) a hand-held tool configured for securing a milling cutter therewithin; the hand-held tool connectable to a rotational drive; (ii) a guiding member conformally shaped to the aperture; the guiding member securable to a portion to be removed of the object of interest the guiding member having a rim; the hand-held tool is provided with a bulge guidable by the rim such that such the milling cutter, when being manually movable along the rim, cuts the aperture in the object of interest; (b) providing the rotational drive; (c) connecting the driving member to the rotational drive; (d) threadedly securing the milling cutter in the driving member; (e) securing the guiding member in a selected location of making the opening in the object of interest; (f) manually moving the hand-held tool such that such the milling cutter cuts the aperture in the object of interest. 
     A further object of the invention is to disclose a device for making an opening in an object of interest comprising: (a) a base member; (b) attaching means configured for releasably attaching the base member to the object of interest: (c) a guiding member shaped conformally to the opening to be made: the guiding member having a guide way; the guiding member releasably connectable to the base member: (d) a slider movable along the guide way; and (e) cutting means securable within the slider and movable around the guiding member. 
     A further object of the invention is to disclose a method of making an opening in an object of interest: the method comprising steps of: (a) providing a device for making an opening in an object of interest further comprising: (i) a base member (ii) attaching means configured for releasably attaching the base member to the object of interest; (iii) a guiding member shaped conformally to the opening to be made; the guiding member having a guide way; the guiding member releasably connectable to the base member: (iv) a slider movable along the guide way; and (v) cutting means securable within the slider and movable around the guiding member; (b) releasably attaching the base member to the object of interest by the attaching means; (c) cutting the object of interest by moving the cutting means around the guiding member; (d) taking the device out of the object of interest with a cut portion of the object of interest; (e) removing the cut portion of the object of interest from the device. 
     A further object of the invention is to disclose a device for making an opening in an object of interest comprising: (a) a plate member having a guiding recess shaped conformally to the opening to be made; (b) attaching means configured for releasably attaching the plate member to the object of interest; (c) cutting means securable movable along the guiding recess. 
     A further object of the invention is to disclose a method of making an opening in an object of interest comprising steps of: (a) providing a device for making an opening in an object of interest further comprising: (i) a plate member having a guiding recess shaped conformally to the opening to be made; (ii) attaching means configured for releasably attaching the plate member to the object of interest; (iii) cutting means securable movable along the guiding recess; (b) releasably attaching the plate member to the object of interest by the attaching means; (c) cutting the object of interest by moving the cutting means along the guiding recess; (d) taking the device out of the object of interest with a cut portion of the object of interest; (e) removing the cut portion of the object of interest from the device. 
     A further object of the invention is to disclose a device for making an opening in an object of interest. The aforesaid device comprises: (a) a member shaped conformally to the opening to be made; the member having a first side and a second side; (b) an area element connected to the first side and configured for applying a force driving the device into the object of interest; and (c) a serrated profile connected to the second side. 
     A further object of the invention is to disclose the device comprising a carrying handle. 
     A further object of the invention is to disclose the device comprising at least one bracket for taking the device out of the object of interest by means of a lever after driving the device into the object of interest. 
     A further object of the invention is to disclose the device comprising a bearing member placeable onto the object of interest. The bearing member is configured for supporting the lever. 
     A further object of the invention is to disclose the method of making an opening in an object of interest. The aforesaid method comprises steps of: (a) providing a device for making an opening in an object of interest further comprising: (i) a member shaped conformally to the opening to be made; the member having a first side and a second side; (ii) an area element connected to the first side and configured for applying a force driving the device into the object of interest; (iii) a serrated profile connected to the second side; (b) driving the device into the object of interest such that a portion of the object of interest within the device is cut from the object of interest; (c) taking the device out of the object of interest with a cut portion of the object of interest; (d) removing the cut portion of the object of interest from the device. 
     A further object of the invention is to disclose the method comprising a step of carrying the device by means of a carrying handle. 
     A further object of the invention is to disclose the step of taking the device out of the object of interest performed by at least one bracket and a lever. 
     A further object of the invention is to disclose the step of taking the device out of the object of interest comprising supporting the lever by a bearing member placeable onto the object of interest. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       In order to understand the invention and to see how it may be implemented in practice, a plurality of embodiments is adapted to now be described, by way of non-limiting example only, with reference to the accompanying drawings, in which 
         FIG. 1  is a general view of a kit for making an aperture in an object of interest; 
         FIG. 2  is a side view of a kit for making an aperture in an object of interest; 
         FIG. 3  is a cross-sectional view of a kit for making an aperture in an object of interest; 
         FIG. 4  is a perspective view of a device for making an opening in an object of interest provided with a guide way; 
         FIGS. 5 a  to 5 c    are perspective views of a base member, an attaching means and a slider, respectively; 
         FIG. 5 d    is a cross-sectional view of a device for making an opening in an object of interest provided with a guide way; 
         FIGS. 6 a  to 6 d    illustrate a method of making an opening in an object of interest using a device with a guide way; 
         FIG. 7  illustrates attaching device for making an opening to an object of interest by a screw; and 
         FIGS. 8 a  and 8 b    illustrate a method of making an opening in an object of interest using a device with a guide recess; and 
         FIGS. 9 a  to 9 c    are schematic views of a device for making an opening in an object of interest provided with a serrated profile. 
     
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
     The following description is provided, so as to enable any person skilled in the art to make use of said invention and sets forth the best modes contemplated by the inventor of carrying out this invention. Various modifications, however, are adapted to remain apparent to those skilled in the art, since the generic principles of the present invention have been defined specifically to provide a kit for making an opening in an object of interest and a method of doing the same. 
     Reference is now made to  FIG. 1  presenting a general view of a kit for making an aperture in an object of interest. The aforesaid kit comprises hand-held tool  100  and guiding member  200 . Specifically, hand-held tool is manipulated by means of handle  110  grippable by a user. Driving member  130  is mechanically connectable to a rotational drive (not shown) by, for example, by securing driving member  130  in a chuck of a hand-held drill. Driving member  130  is rotationally placed within housing  120 . The aforesaid housing  120  is supported by supporting member  150  movable along rim  210  of guiding member  200 . In an exemplary embodiment of the present invention, guiding member  200  is securable to surface  10  of an object of interest in a location of making an opening by commercially available screws (not shown) via holes  230 . Numeral  220  refers a spirit level for horizontalizing guiding member  200  before securing to surface  10 . 
     As mentioned above, a user moves hand-held tool  100  along rim  210  such that milling cutter  140  cuts slotted opening  160  around guiding member  200 . Geometries of rim  210  and slotted opening  160  are conformal to each other. A trajectory of movement hand-tool  100  follows rim  210 . Curvature of opening corners  211  to be made can go to zero. In other words, available opening corners are near to right. 
     Reference is now made to  FIG. 2  presenting a side view of a kit for making an aperture in an object of interest. Driving member  130  is secured in chuck  11  of a hand-held drill. 
     Reference is now made to  FIG. 3  presenting a cross-sectional view of a kit for making an aperture in an object of interest. Milling cutter  140  is threadedly secured to driving member  130 . As mentioned above, driving member  130  is rotatably placed within housing  120  by means of ball bearings  125 . Numeral  129  refers to a sleeving placed on driving member  130 . The aforesaid driving member rests on bottom member  123  secured to housing  120  by screw  126 . Bottom member  123  has projecting tubular portion  124  insertable into bore  155  of support member  150 . Bore is configured for receiving milling cutter  140  in a coaxial manner. Support member  150  has first bulge  152  and second bulge  154  arranged to support the hand-held tool  100  when first and second bulges  152  and  154  are manually moved along the rim of the guiding member in physical contact with surfaces of the guiding member  200  and the object of interest  10 . According to one embodiment of the present invention, first and second bulges  152  and  154  are provided with balls  151  and  153  rotatably mounted within first and second bulges  152  and  154 , respectively. According to one embodiment of the present invention, support member  150  is attachable to housing  100  by embedded magnets (not shown). 
     Reference is now made to  FIG. 4  showing embodiment  300  of the present invention. Device  200  comprises base member  320  which is attachable to an object of interest (not shown) by attaching means  310  such as a screw. Securing the device to the object of interest by one or several screws is in the scope of the present invention. Guiding member  330  is shaped conformally to the opening to be made and provided with guide way  335 . 
     A plurality of replaceable guiding members for making openings with different form factors is in the scope of the present invention. Slider  340  is movable within guide way  335  such that cutting means  350  secured to slider  340  is movable around the guiding member  330 . Numeral  360  refers to a tool such as milling drill configured for cutting both in axial and transversal directions. 
     Reference is now made  FIGS. 5 a  to 5 c    showing the components of device  300 . Specifically,  FIGS. 5 a  to 5 c    present a base member, an attaching means and a slider, respectively. Base member has through bore  321  configured for receiving attaching means (not shown). Numeral  323  refers to a level tube. Attaching means  310  comprises handle  311  and spring  311  provided with abutment  315 . Screw  317  is configured to be secured within object of interest (not shown). Slider  340  comprises projection  341  movable within the guide way (not shown) and tubal member  343  configured for carrying cutting means (not shown). 
     Reference is now made to  FIG. 5 d    showing a cross-sectional view of device  300 . Attaching means  310  is inserted into through bore  321  of base member  320  such that the abovementioned base member is attachable to an object of interest (not shown). Cutting means  350  is secured within tubal member  343  while projection  341  is movable within guide way  335 . 
     Reference is now made to  FIGS. 6 a  to 6 d    illustrating a procedure of making an opening in an object of interest. 
     Specifically, at the first step ( FIG. 6 a   ), guiding member  330  conformal to an opening to be made is chosen. Then, guiding member  330  is connected to base member  320 . The obtained assembly is attached to object of interest  10  by attaching means  310  ( FIG. 6 b   ). A user rotates a handle and drives a screw (not shown) into object of interest  10 . The opening is cut within object of interest  10  by moving cutting means  350  carried by slider  340  about guiding member  330  ( FIG. 6 c   ). As cutting means, a standard hand drill can be used while cutting tool  360  is defined as a milling drill configured for cutting both in axial and transversal directions also know in the art. After cutting up the desired opening, the device is taken out of object of interest  10  with cut portion  10   a  ( FIG. 6 d   ) which is removed from the device manually. 
     Reference is now made to  FIG. 7  showing an alternative embodiment of the present invention. The device is attached to object of interest  10  by commercially available screw  315 . 
     Reference is now to  FIGS. 8 a  and 8 b    showing a further embodiment of the present invention. Specifically, device  400  comprises plate member  420  having guiding recess  425  shaped conformally to the opening to be made. Device  400  is releasably attachable to object of interest  10  by attaching means  415 . Cutting means  350  is movable along guiding recess  425 . Numerals  430  and  440  refer to an external rim of plate member  420  and spacers defining guiding recess  425 . With reference to  FIG. 8 b   , the opening is cut up by moving cutting means  350  along recess  425 . 
     Reference is now made to  FIGS. 9 a  to 9 c    presenting device  500  for making an opening in an object of interest. According to one embodiment of the present invention, device  500  is shaped in a conformal manner in relative to an opening to be made. Device  500  is driven into object of interest  10  such as a wall in a building. A driving force can be applied to device  500  by a tool of an impact type such as hammer  550 . Driving impacts of hammer  550  are applied to face  520 . Serrated profile  530  is configured for entering into object of interest  10 . Bracket  540  is designed for taking device  500  out of object of interest  10  by means of lever  560 . Bearing member  570  is used for supporting the lever Numeral  525  refers to a carrying handle. After taking device  500  out of object of interest  10 , cut portion is removed from device  500 . 
       FIG. 9 c    shows a linear embodiment  600  of the present invention. Opening  615  is previously marked on object of interest  10 . Opening  615  is cut up by device  600  successively along a perimeter of opening  615 . 
     According to the present invention, a kit for making an aperture in an object of interest is disclosed. The aforesaid kit comprises: (a) a hand-held tool configured for securing a milling cutter therewithin: the hand-held tool connectable to a rotational drive: (b) a guiding member conformally shaped to the aperture; the guiding member securable to a portion to be removed of the object of interest: the guiding member having a rim. 
     This is the core feature of the present invention to provide the hand-held tool with a bulge guidable by the rim such that such the milling cutter, when being manually movable along the rim, cuts the aperture in the object of interest. 
     According to one embodiment of the present invention, the rotational drive is a hand-held drill. 
     According to another embodiment of the present invention, the hand-held tool comprises a housing having a handle for manually manipulating the hand-held tool, a driving member rotatably placed within the housing by means of at least one bearing; the driving member configured for connecting the milling cutter thereto. 
     According to a further embodiment of the present invention, the milling cutter is connectable to the driving member by means of a threaded coupling. 
     According to a further embodiment of the present invention, the kit comprises a support member attachable to the hand-held tool: the support member having a bore configured for receiving the milling cutter in a coaxial manner; the support member has a first bulge and a second bulge arranged to support the hand-held tool when the first and second bulges are manually moved along the rim of the guiding member in physical contact with surfaces of the guiding member and the object of interest. 
     According to a further embodiment of the present invention, the bulge comprises a ball mountable in a rotatable manner; the ball is configured for rolling over the surfaces of the guiding member and the object of interest. 
     According to a further embodiment of the present invention, the object of interest is selected from the group consisting of a mineral material, a polymeric material, an alloy material, a composite material and any combination thereof. 
     According to a further embodiment of the present invention, the mineral material is gypsum. 
     According to a further embodiment of the present invention, a hand-held tool for making an aperture in an object of interest is disclosed. The aforesaid hand-held tool configured for securing a milling cutter therewithin. The hand-held tool is connectable to a rotational drive. 
     A further core feature of the present invention is to provide a hand-held tool provided with a bulge guidable by a guiding member conformally shaped to the aperture. 
     According to a further embodiment of the present invention, the guiding member is securable to a portion to be removed of the object of interest such that such the milling cutter, when being manually movable along the rim, cuts the aperture in the object of interest. 
     According to a further embodiment of the present invention, a method of making an aperture in an object of interest comprises steps of: (a) providing a kit for making an aperture in an object of interest: the kit comprising: (i) a hand-held tool configured for securing a milling cutter therewithin; the hand-held tool connectable to a rotational drive; (ii) a guiding member conformally shaped to the aperture; the guiding member securable to a portion to be removed of the object of interest; the guiding member having a rim; the hand-held tool is provided with a bulge guidable by the rim such that such the milling cutter, when being manually movable along the rim, cuts the aperture in the object of interest; (b) providing the rotational drive; (c) connecting the driving member to the rotational drive: (d) threadedly securing the milling cutter in the driving member; (e) securing the guiding member in a selected location of making the opening in the object of interest; (f) manually moving the hand-held tool such that such the milling cutter cuts the aperture in the object of interest. 
     According to a further embodiment of the present invention, a device for making an opening in an object of interest comprises: (a) a base member; (b) attaching means configured for releasably attaching the base member to the object of interest: (c) a guiding member shaped conformally to the opening to be made; the guiding member having a guide way; the guiding member releasably connectable to the base member; (d) a slider movable along the guide way; and (e) cutting means securable within the slider and movable around the guiding member. 
     According to a further embodiment of the present invention, a method of making an opening in an object of interest is disclosed. The method comprises steps of: (a) providing a device for making an opening in an object of interest further comprising: (i) a base member; (ii) attaching means configured for releasably attaching the base member to the object of interest; (iii) a guiding member shaped conformally to the opening to be made: the guiding member having a guide way; the guiding member releasably connectable to the base member; (iv) a slider movable along the guide way: and (v) cutting means securable within the slider and movable around the guiding member; (b) releasably attaching the base member to the object of interest by the attaching means; (c) cutting the object of interest by moving the cutting means around the guiding member; (d) taking the device out of the object of interest with a cut portion of the object of interest; (e) removing the cut portion of the object of interest from the device. 
     According to a further embodiment of the present invention, a device for making an opening in an object of interest comprises: (a) a plate member having a guiding recess shaped conformally to the opening to be made; (b) attaching means configured for releasably attaching the plate member to the object of interest; (c) cutting means securable movable along the guiding recess. 
     According to a further embodiment of the present invention, a method of making an opening in an object of interest comprises steps of: (a) providing a device for making an opening in an object of interest further comprising: (i) a plate member having a guiding recess shaped conformally to the opening to be made; (ii) attaching means configured for releasably attaching the plate member to the object of interest: (iii) cutting means securable movable along the guiding recess; (b) releasably attaching the plate member to the object of interest by the attaching means; (c) cutting the object of interest by moving the cutting means along the guiding recess: (d) taking the device out of the object of interest with a cut portion of the object of interest: (e) removing the cut portion of the object of interest from the device. 
     According to a further embodiment of the present invention, a device for making an opening in an object of interest is disclosed. The aforesaid device comprises: (a) a member shaped conformally to the opening to be made; the member having a first side and a second side; (b) an area element connected to the first side and configured for applying a force driving the device into the object of interest; and (c) a serrated profile connected to the second side. 
     According to a further embodiment of the present invention, the device comprises a carrying handle. 
     According to a further embodiment of the present invention, the device comprises at least one bracket for taking the device out of the object of interest by means of a lever after driving the device into the object of interest. 
     According to a further embodiment of the present invention, the device comprises a bearing member placeable onto the object of interest. The bearing member is configured for supporting the lever. 
     According to a further embodiment of the present invention, the method of making an opening in an object of interest is disclosed. The aforesaid method comprises steps of: (a) providing a device for making an opening in an object of interest further comprising: (i) a member shaped conformally to the opening to be made; the member having a first side and a second side: (ii) an area element connected to the first side and configured for applying a force driving the device into the object of interest; (iii) a serrated profile connected to the second side; (b) driving the device into the object of interest such that a portion of the object of interest within the device is cut from the object of interest; (c) taking the device out of the object of interest with a cut portion of the object of interest; (d) removing the cut portion of the object of interest from the device. 
     According to a further embodiment of the present invention, the method comprises a step of carrying the device by means of a carrying handle. 
     According to a further embodiment of the present invention, the step of taking the device out of the object of interest is performed by at least one bracket and a lever. 
     According to a further embodiment of the present invention, the step of taking the device out of the object of interest comprises supporting the lever by a bearing member placeable onto the object of interest.