Abstract:
A fastening apparatus for a detachable car multimedia player includes a first fastening member and a second fastening member. The first fastening member is fastened to an anchor seat and has a strut which has a wing flap extended sideward from the top end. The second fastening member is located on the bottom of the car multimedia player and has a coupling bore. The first fastening member may be coupled with the second fastening member to rapidly mount the car multimedia player and remove the car multimedia player when not in use to prevent theft and dust pollution.

Description:
BACKGROUND OF THE INVENTION  
       [0001]     1. Field of the Invention  
         [0002]     The invention relates to a fastening apparatus for a car multimedia player and particularly to a fastening apparatus to facilitate rapid installation and removal of a car multimedia player.  
         [0003]     2. Description of the Prior Art  
         [0004]     The holding dock for a car multimedia player now is available on some new cars. For the earlier cars that do not have the holding dock, there is no holding structure to allow the multimedia player to be easily installed or removed. Referring to  FIG. 11 , the conventional approach is to hold a multimedia player A 1  on a dock fastened to the central control board B 1  of the car (close to the windshield). It cannot be removed readily. As a result, when the driver leaves the car, the multimedia player could be stolen easily. Moreover, when projected by sunlight and subject to high temperature, the life span of the multimedia player shortened. When not in use, users also have to cover the multimedia player with a proper means to fend off dusts.  
       SUMMARY OF THE INVENTION  
       [0005]     The primary object of the present invention is to provide a fastening apparatus to facilitate installation and removal of a car multimedia player so that users can install the multimedia player quickly when needed and remove the multimedia player easily when not in use, and also guard against theft and dust pollution.  
         [0006]     In one aspect, the invention includes a first fastening member fastening to an anchor seat. The first fastening member has a strut and a wing flap extended sideward from the top end of the strut. A second fastening member is located on the bottom of the car multimedia player and has a coupling bore to couple with the first fastening member. The structure thus formed can overcome the problems occurred to the conventional techniques.  
         [0007]     The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. 
     
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0008]      FIG. 1  is an exploded view of the invention.  
         [0009]      FIG. 2  is a sectional view of the invention in an installing condition.  
         [0010]      FIG. 3  is a sectional view of the invention in another installing condition.  
         [0011]      FIG. 4  is a sectional view of the invention in yet another installing condition.  
         [0012]      FIG. 5  is a schematic view of the invention showing the first and the second fastening members in a coupling condition.  
         [0013]      FIG. 6  is a schematic view of the invention showing the first and the second fastening members in anther coupling condition.  
         [0014]      FIG. 7  is an exploded view of a second embodiment of the invention.  
         [0015]      FIG. 8  is a sectional view of the second embodiment of the invention in an installing condition.  
         [0016]      FIG. 9  is an exploded view of a third embodiment of the invention.  
         [0017]      FIG. 10  is a sectional view of the third embodiment of the invention in an installing condition.  
         [0018]      FIG. 11  is a schematic view of a conventional car multimedia player installed after car production. 
     
    
     DESCRIPTION OF THE PREFERRED EMBODIMENTS  
       [0019]     Referring to  FIGS. 1 and 2 , the present invention mainly includes:  
         [0020]     a first fastening member  3  which is fastened to an anchor seat  1 , and has a strut  31 , and a wing flap  312  extended sideward from the top end of the strut  31 ; and  
         [0021]     a second fastening member  41  located on the bottom of a body  40  of a car multimedia player  4 , and has a coupling bore  411  to couple with the strut  31  of the first fastening member  3 .  
         [0022]     The anchor seat  1  has a body  10  which has a plurality of fastening holes  101  and a plurality of slots  102  spaced from one another to allow the body  10  to form a plurality of radial blades  103  on the periphery.  
         [0023]     The first fastening member  3  has a body  30  with the strut  31  located thereon. The body  30  is circular, and has a center portion  300  with a two-step screw hole  301  formed thereon. It also has one or more magnet holding troughs  302  and  305  to hold one or more magnets  303  and  306 . It has an annular ring  304  formed on the perimeter that has an elevation higher than the center portion  300  but lower than the strut  31 .  
         [0024]     The strut  31  has a stem  310  which has a screw hole  311  formed thereon. The wing flap  312  is extended sideward from the top end. The body  30  is fastened to the anchor seat  1  through a fastening element  313 .  
         [0025]     The second fastening member  41  is located on the bottom of the body  40  of the car multimedia player  4  and has an area corresponding to the first fastening member  3 . The area is made of metal which may be attracted by the magnets  303  and  306 . The coupling bore  411  corresponds to the strut  31 . It has a first width D 1  to accommodate the stem  310  of the strut  31  and a second width D 2  to accommodate the wing flap  312  so that after the wing flap  312  has been aligned with the second width D 2 , the strut  31  may be inserted into the coupling bore  411 . Then the car multimedia player  4  may be turned to allow the wing flap  312  to be braced by the peripheral area of the coupling bore  411  on the second width D 2  and confined without breaking away.  
         [0026]     The second fastening member  41  further has two semi-circular extensions  412  and  413  corresponding to the second width D 2  and being in the magnetic attraction area of the magnets  303  and  306 . The semi-circular extensions  412  and  413  have a diameter slightly smaller than the inner diameter of the annular ring  304  so that they may be turned in the annular ring  304  without sliding outside to anchor the first fastening member  3  on the second fastening member  41 .  
         [0027]     The second fastening member  41  also has two notches  414  formed between the semi-circular extensions  412  and  413  corresponding to the first width D 1  (about the front direction of the car multimedia player  4 ) in the form of a trumpet. The notch has a wider opening close to the edge of the semi-circular extensions  412  and  413  and is tapered gradually in the center until reaching the coupling bore  411  to facilitate mounting and positioning of the car multimedia player  4 .  
         [0028]     By means of the elements set forth above, the flexible blades  103  of the anchor seat  1  may be fastened to the center control board, center armrest or car top by a fastening element E 1  (as shown in  FIG. 2 ), or a bonding element E 2  (as shown in  FIGS. 3 and 4 ). The fastening element E 1  may be a screw, rivet or the like. The bonding element E 2  may be a double-side adhesive tape, adhesive, or the like. Then the car multimedia player  4  may be installed by coupling the coupling bore  411  of the second fastening member  41  with the strut  31  with the two semi-circular extensions  412  and  413  wedged in the annular ring  304 , then turn the car multimedia player  4  for ninety degrees to make the wing flap  312  and the coupling bore  411  cross at ninety degrees to finish the installation of the car multimedia player  4  (referring to  FIGS. 5 and 6 ). By contrast, to remove the car multimedia player  4 , turn it in the reverse direction for ninety degrees to overlap the coupling bore  411  and the wing flap  312  in the same direction. The car multimedia player  4  may be detached without using any tool.  
         [0029]     In addition, the periphery of the anchor seat  1  may be covered by a pliable protective member F made from a pliable material such as rubber and formed in a cushion pad or a guarding cover to buffer vibration and shaking while the car is running to protect the multimedia player  4 .  
         [0030]     To avoid turning of the car multimedia player A becomes a problem, a second embodiment is provided shown in  FIGS. 7 and 8 . A first fastening member  6  having a body  60  which has at least two struts  61  and  62  mating at least two coupling bores  711  and  714  formed on the second fastening member  71  of a body  70  of a car multimedia player  7 . The car multimedia player  7  may be directly installed by coupling the coupling bores  711  and  714  with the struts  61  and  62 . To increase the mounting steadiness, as the previous embodiment, the body  60  has one or more magnets  603  and  604  to attract the metallic semi-circular extensions  712  and  713  of the second fastening member  71 . For removing, merely disengage the car multimedia player  7  from the struts  61  and  62 . This embodiment is preferable for mounting onto the central control board or central armrest, but is less desirable for mounting to the car top.  
         [0031]     Another approach to avoid the problem of turning of the car multimedia player A is a third embodiment shown in  FIGS. 9 and 10 . A first fastening member  92  has a body  921  which has one or more first sliding troughs  922  and  923  mating one or more second sliding troughs  931  and  932  formed on a second fastening member  93  of the body  91  of the car multimedia player  9 . The second sliding troughs  931  and  932  may be directly coupled with the first sliding troughs  922  and  923  to mount the car multimedia player  9  on the body  921 . To increase the mounting steadiness, as the previous embodiment, the body  91  has one or more magnets  924  and  925  to attract the metal portion of the second fastening member  93 . For removing, merely disengage the car multimedia player  9  from the first sliding troughs  922  and  923  of the first fastening member  92 .