Abstract:
A display bracket for a wrench that achieves the purpose of economizing exhibition space comprises a locking hole capable receiving a cylindrical connecting member of a mount of and a main body further consisting of a flexible piece near the locking hole, whereby the main body will connected to the mount by a plurality of arced projection around the connecting member. The connecting member can further secured with the maim body by the engagement between a ratchet on the outer rim thereon and the flexible piece. Thereby, the wrench can be hung on the display bracket for exhibition.

Description:
FIELD OF THE INVENTION  
       [0001]     The present invention relates to display brackets for a wrench, more particularly to a display bracket for a wrench that achieves the purpose of economizing exhibition space and has a simple structure.  
       BACKGROUND OF THE INVENTION  
       [0002]     A display bracket for a wrench of the prior art, such as the “display bracket for a wrench with flexibility damping” disclosed by Taiwan patent number 541922, is characterized by a flexible part attached to a hexagonal mount and a locking hole on a display plate. The flexible part provides a resistant torque when a wrench connected to the mount is rotating the hexagonal mount, whereby the rotational angle of the mount can be known. However, the conventional display bracket has the disadvantages that the rotational angle of the mount cannot be precisely recognized and that the flexible part is not durable. As the flexible part is experiencing a fatigue, the resistant torque soon disappears.  
         [0003]     The “tool bracket” disclosed by Taiwan patent number 434659 comprises a main body having an annularly arranged deflected portion equipped with teeth and a set of annularly arranged teeth on a sound board, whereby the engagement between the deflected portion and the sound board will create a sound indicating the angular displacement of a tool on the main body with respect to the main body.  
         [0004]     However, a display bracket using a sound board of the prior art has two sets of teeth each on the sound board and the deflected portion of the main body, which makes the bracket too complicated to build and therefore increases the production cost.  
         [0005]     The “wrench display bracket” disclosed by Taiwan patent number 542078 is provided with a hanger post attached onto a planar body at a predetermined location by screwed parts or an adhesive material. The hanger post has a flexible plate extended from the outer rim thereof. The hanger post is further provided with a retaining hole or slot for securing a hexagonal nut, whereby, as the wrench is rotated against the planar body, the engagement of a set of teeth within the nut to the hanger post will produce a repetitious jump feeling and sounds so as to recognizing the rotational angle.  
         [0006]     However, the “wrench display bracket” disclosed by Taiwan patent number 542078 has the following disadvantage.  
         [0007]     The effects of recognizing angle are produced in a combination of a hanger planar body, a hanger post and a nut. The combination further includes a flexible plate extended from the outer rim of the post, whereby, as the wrench is rotated against the planar body, the engagement between a set of teeth within the nut and the flexible plate of the hanger post will produce a repetitious jump feeling and sounds so as to recognizing the rotational angle. However, the structure is still too complicated.  
       SUMMARY OF THE INVENTION  
       [0008]     Accordingly the primary objective of the present invention is to provide a display bracket for a wrench that can economize exhibition space. The display bracket for a wrench comprises only a main body and a mount. The main body is provided with a through locking hole at a predetermined location thereon. The locking hole further includes a pair of symmetric, parallel slots of predetermined depth in a horizontal direction straddling the locking hole on the main body. A flexible piece is formed between the symmetric slots. The mount consists of an engaging portion with a polygonal circumference and a cylindrical connecting member. The cylindrical connecting member of the mount is capable of being connected to the locking hole, whereby a plurality of arced projections around the member and the main body can be engaged.  
         [0009]     The display bracket for a wrench of the present invention thus has a simpler structure. The angular displacement of the mount with respect to the main body can still be recognized by a repetitious jump feeling and sounds, which are produced by the interaction between an annular ratchet and a flexible piece on a dial on the main body.  
         [0010]     The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawings. 
     
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0011]      FIG. 1  is an exploded perspective view of a display bracket for a wrench of the present invention.  
         [0012]      FIG. 2  is a perspective view of the display bracket for a wrench in  FIG. 1 .  
         [0013]      FIG. 3  is a front view of the display bracket for a wrench in  FIG. 1 .  
         [0014]      FIG. 3A  is a perspective view of a local enlarged portion of the display bracket for a wrench in  FIG. 1 .  
         [0015]      FIG. 3B  is a perspective view of a local enlarged transparent portion of the display bracket for a wrench in  FIG. 1 .  
         [0016]      FIG. 4  is a lateral cross-sectional view of the display bracket for a wrench in  FIG. 1 .  
         [0017]      FIG. 5  is a perspective view of the display bracket for a wrench in  FIG. 1  wherein a wrench is secured.  
         [0018]      FIG. 6  is a front view of the display bracket for a wrench in  FIG. 1  wherein the wrench is still.  
         [0019]      FIG. 7  is a front view of the display bracket for a wrench in  FIG. 1  wherein the wrench is being rotated.  
         [0020]      FIG. 8  is an exploded perspective view of the second preferred embodiment of the present invention as a display bracket for a wrench.  
         [0021]      FIG. 9  is a lateral cross-sectional view of the second preferred embodiment in  FIG. 8 .  
         [0022]      FIG. 10  is a perspective view of a local enlarged portion of the second preferred embodiment in  FIG. 8 , wherein the mount is engaged with the main body.  
         [0023]      FIG. 11  is an exploded perspective view of the third preferred embodiment of the present invention as a display bracket for a wrench.  
         [0024]      FIG. 12  is a lateral cross-sectional view of the third preferred embodiment in  FIG. 11 , wherein the mount and the min body are engaged.  
         [0025]      FIG. 13  is a perspective view of a local enlarged portion of the third preferred embodiment in  FIG. 11 , wherein the mount is engaged within the locking hole on the main body. 
     
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS  
       [0026]     Referring to  FIGS. 1, 2  and  4 , a display bracket for a wrench according to the present invention comprises a main body  10  with a predetermined thickness which is a planar slab having a front side, a rear side and a hanging hole  11 . Beneath the hanging hole  11 , there are a pair of symmetric, retaining holes  12  for securing as an Ω-shaped retaining plate  40  (as shown in  FIG. 5 ). The locking hole  13  of the main body  10  further includes a locking hole  13  going through the front side and the rear side of the main body  10 ; the locking hole  13  forms a circular flange  4  on the rear side therearound. The front side of the main body  10  is provided with an indicator ring  14  formed by three types of bulged, elongated projections. The indicator ring  14  is located around the locking hole  13  and forms numeric indicators  141  on the outside rim thereof. The locking hole  13  further includes a pair of symmetric, parallel slots  15  of predetermined depth in a horizontal direction straddling the locking hole  13  on the main body  10 . A flexible piece  16  is formed between said symmetric slots. On top of the flexible piece forms a pointed portion  161 . Since that the symmetric slots  15  on two side of the flexible piece  16  have a length substantially equal to the thickness between the front side and the rear side and that a notch B is cut on a side of the flange A, as shown in  FIG. 3A , the flexible piece  16  becomes an in isolated body on the flange A that can jump when it is urged.  
         [0027]     The display bracket for a wrench further comprises a mount  20  capable of being connected to the locking hole  1   3 . The mount consists of an engaging portion  21  with a hexagonal circumference and a cylindrical connecting member  22 . The interface between the engaging portion  21  and the connecting member  22  forms a dial  23 . There is a triangular pointer  231  located at the outer rim of the dial  23 ; the pointer  231  will move the rotation of the mount  20 .  
         [0028]     Further, the hollow, cylindrical connecting member  22  is provided with two perpendicular notches on a bottom side thereof for a flexible compression of the connecting member  22 . The end of the connecting member  22  close to the dial  23  is provided with a ratchet  221  composed of a multitude of continuous oblique teeth surrounding the ratchet  221 . When the connecting member  22  is inserted into the locking hole  13 , the pointed portion  161  of the flexible piece  16  can be engaged with the ratchet  221 , thereby the flexible piece  16  will go through a transverse jump across the symmetric slots  15  and will produce a sound by the jump of the pointed portion  161  against the ratchet  221 . There are 4 arced projections  222  formed on the outer surface at the rear end of the connecting member  22  of the mount  20  for securing on the flange A when the mount is inserted into the main body.  
         [0029]     Referring to  FIGS. 1 and 2 , to use the present invention, the mount  20  is inserted into the locking hole  13  on a main body  10 , which is a very simple structure in contrast to the three-part display bracket of the prior art.  
         [0030]     As shown in  FIG. 5 , the display bracket for a wrench further has the function of preventing theft in an exhibition. In this present invention, beneath the main body  10 , there are a pair of retaining holes  11  for securing an Ω-shaped retaining plate  40 . Therefore, a wrench displayed on the bracket is hard to steal.  
         [0031]     Moreover, the middle bulged section of the retaining plate  40  may provide the ratchet wrench  30  with a left angle pre-setter and a right angle pre-setter so that a range of angular displacement can be set. Referring to  FIGS. 3A, 3B ,  6  and  7 , as the connecting member  22  of the mount  20  is inserted into the locking hole  13 , the ratchet  221  on the outer surface of the top end of the connecting member  22  will engage the pointed portion  161  atop the flexible piece  16 , as shown in  FIG. 3B . Thereby, when a ratchet wrench  30  is rotated in a reciprocated way, the mount  20  rotates accordingly and the ratchet  221  of the mount  20  will urge the flexible piece  16  to jump back and forth, creating a quivering on the hand of a holder. The display bracket further creates a sound corresponding to the jump. The jump and the associated sounds help the user to recognize the angular displacement of the mount with respect to the main body. The angular displacement can be further identified by the indicator ring  14  composed of three sets of small elongated bulged projections of different lengths, as well as a plurality of numeric indicators aside the indicator ring  14 . The pointer  231  on one side of the dial  23  indicates the precise rotational angel of the mount  20 .  
         [0032]     The present invention is characterized by combining the main body  10  and the mount  20  to achieve the function of displaying a wrench. It is another advantage of the present invention that the sounds created as the mount  20  is rotated against the main body  10  help the user to recognize the exact angular displacement. Instead of the conventional design of complicated tooth structures on both of the main body  10  and the mount  20 , the ratchet  221  of the connecting member  22  can creates the same rattling audio effect when it is connected to the locking hole  13 ; this is achieved by the flexible piece  16  formed between the symmetric slots  15 . The present invention revolutionizes the old concept of two engaging annular tooth structures on both of the mount and the main body, indeed achieving a structural simplicity.  
         [0033]     Referring to FIGS.  8  to  10 , the second preferred embodiment of the present invention as a display bracket for a wrench has similar components to the first preferred embodiment. They differs in a flange A 1  vertically extended from the front side of the main body  10 , which flange A 1  pieces through the main body  10  to form a locking hole  13   a . Because of the locking hole  13   a , the flange A 1  becomes a hollow tubular body with a predetermined thickness.  
         [0034]     Accordingly, the mount  20   a  of the second preferred embodiment comprises an engaging portion  21   a  taking the shape of a hexagonal nut, a cylindrical connecting member  22   a  and a dial  23   a . The difference of the second preferred embodiment is that the hexagonal engaging portion  21   a  is a hollow body; the dial  23   a  and the pointer  231   a  are outwardly extended from a bottom end of the engaging portion  21   a . On the other hand, the connecting member  22   a  is formed inside the bottom wall of the engaging portion  21   a . A portion of the connecting member  22   a  is exposed outside the engaging portion  21   a , which is further provided with 4 arced projections  222   a , and a top end of the connecting member  22   a  is provided with a ratchet  221   a  therearound. Since the connecting member  22   a  and the engaging portion  21   a  is separated by a spacing C whose length is equal to the thickness of the wall of the flange A 1 , the connecting member  22   a  of the mount  20   a  can go through the main body  10  whereby the projections  222   a  at the top end of the connecting member  22   a  will engage mutually, and, at the same time, the ratchet  221   a  surrounding the connecting member  22   a  will engage with the flexible piece  16  of the main body  10 .  
         [0035]     Referring to FIGS.  11  to  13 , the third preferred embodiment of the present invention as a display bracket for a wrench has similar components to the second preferred embodiment. They differs in that the projections  222   a  at the bottom end of the connecting member  22   a  of the mount  20   a  are replaced by a corresponding flange A 2 . The flange A 2  is locked by at least a ladder-shaped limiting notch carved on the inner wall of the engaging portion  21   a , whereby the mount  20   a  and the main body  10  are engaged, and whereby the ratchet  221   a  of the connecting member  22   a  and the flexible piece  16  of the main body  10  are engaged.  
         [0036]     The present invention is thus described, and it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the present invention, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.