Patent Publication Number: US-8113861-B2

Title: Card connector

Description:
FIELD OF THE INVENTION 
     The present invention relates to a card connector, and particularly to a card connector comprising a deflectable hinging portion disposed at the junction between a base and cover of the connector. 
     BACKGROUND OF THE INVENTION 
     SIM (Subscriber Identity Module) card readers are frequently used in telephone devices, in particular in so-called cellular phones. 
     U.S. Pat. No. 5,996,891, which is incorporated herein by reference and thus whose reference numerals are used in this paragraph, discloses a SIM card reader. The card reader comprises a contact support ( 11 ) and a cover ( 12 ) that is rotatably mounted via two bearing members ( 13   a ,  13   b ) onto the support ( 11 ). To lock a card ( 1 ) on the support ( 11 ), the support ( 11 ) is provided with a cam surface ( 25 ) and a shoulder ( 35 ). The card ( 1 ) is inserted into the cover ( 12 ) to at an open position as shown in  FIG. 1 . While the cover ( 12 ) is rotated in a clockwise direction, the cam surface ( 25 ) on the support ( 11 ) will urge the card ( 1 ) to the right, and finally in a closed position a front end of a wing portion ( 74 ) of the card ( 1 ) will abut on the shoulder. According to the prior art patent, the card ( 1 ) can move in relation to the support ( 11 ) while it rotates, but the cover ( 12 ) cannot move in relation to the support ( 11 ). 
     U.S. Pat. No. 6,210,193, which is incorporated herein by reference and thus whose reference numerals are used in this paragraph, discloses a card reader connector ( 1 ). The connector ( 1 ) includes an insulative body ( 2 ) and a cover ( 4 ) pivoted thereon for pivotally moving between an open and a closed position via pivot pins ( 3 ). A projecting actuating piece ( 25 ) cooperate with engaging piece ( 16 ) on the insulative body ( 2 ) to form a means for locking the cover ( 4 ). According to the prior art patent, the cover ( 4 ) cannot move in relation to the support ( 2 ). 
     SUMMARY OF THE INVENTION 
     An object of the present invention is to provide a connector for connecting a card to a card reader. The connector of the present invention comprises a base having a plurality of terminals for contacting the card, and a cover for holding the card. The base has two resilient plates extending from the base, each of the plates has a distal end at which an inner hinging portion is formed. The cover has an outer hinging portion engaged with the inner hinging portions to form a hinge such that the cover is pivotally mounted on the base and movable in relation to the base. 
     Each of the resilient plates is L-shaped such that the hinge is deflectable from the base. Besides, each of the resilient plates has a horizontal portion and a vertical portion at which the inner hinging portion extends horizontally. 
     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 
         FIG. 1  is a schematic diagram of a SIM card connector of the present invention, which is in the open state. 
         FIG. 2  is a schematic diagram of a SIM card connector of the present invention, which is in the open state. 
         FIG. 3  is a SIM card connector of the present invention, which is in the closed state. 
         FIG. 4  shows detailed structure of a hinging portion of a SIM card connector of the present invention. 
         FIG. 5  is an exploded view of a SIM card connector of the present invention. 
     
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
     In order that those skilled in the art can further understand the present invention, the present invention will be described hereinafter in detail. However, the descriptions and the appended drawings are only used to cause those skilled in the art to understand the objects, features, and characteristics of the present invention, but not to be used to limit the scope and spirit of the present invention defined in the appended claims. 
     With reference to  FIG. 1 , a SIM card ( 50 ) is received in a SIM card connector ( 1 ) of the present invention. The connector ( 1 ) comprises a base ( 60 ) and a cover ( 70 ). 
     With reference to  FIG. 2 , the base ( 60 ) is provided with a barb ( 61 ) at its left-front corner and a stop ( 62 ) at the right-front corner. The cover ( 70 ) has a left slot ( 71 ) at its left edge and a right slot ( 72 ) at its right edge, respectively. The left and right slots ( 71 ,  72 ) are formed by left and right U-shaped plates ( 75 ,  76 ), respectively. The U-shaped plate ( 75 ) is formed with a vertical section ( 75   a ) and a horizontal section ( 75   b ). Similarly, the U-shaped plate ( 76 ) is formed with a vertical section ( 76   a ) and a horizontal section ( 76   b ). 
     The barb ( 61 ) is used to retain the cover ( 70 ) in place when the cover ( 70 ) is in a closed position. With reference to  FIG. 3 , the stop ( 62 ) is provided with a slanted surface ( 63 ) to allow the horizontal section ( 76   b ) of the cover ( 70 ) to slip over the stop ( 62 ). A recess ( 77 ) for receiving the horizontal section ( 76   b ) is formed under the stop ( 62 ). A plurality of terminals ( 65 ) is mounted on the base ( 60 ). When the cover ( 70 ) with a SIM card ( 50 ) received therein is in the closed position as shown in  FIG. 4 , the SIM having a plurality of contacts (not shown) will contact the plurality of terminals ( 65 ). 
     With reference to  FIG. 5 , the base ( 60 ) has two resilient L-shaped plates ( 102   a ,  102   b ) extending from the base ( 60 ). Each of the plates ( 102   a ,  102   b ) has a distal end at which an inner hinging portion ( 104   a ) is formed. The cover ( 70 ) has an outer hinging portion ( 110 ) at the intermediate portion of the rear edge of the cover ( 70 ). The outer hinging portion ( 110 ) of the cover ( 70 ) is engaged with the inner hinging portions ( 104   a ) of the base ( 60 ) to form a hinge ( 108   a ) such that the cover ( 70 ) may be pivotally mounted on the base ( 60 ). Since the plate ( 102   a ) is flexible, the hinge ( 108   a ) is deflectable from the base ( 60 ). The right hinge ( 108   b ) is formed as a mirror image of the left hinge ( 108   a ). Since the hinges ( 108   a ,  108   b ) are formed as mirror images, only the details of the left hinge ( 108   a ) are described. 
     To open the cover ( 70 ), the vertical portions ( 106   a ,  106   b ) of the base ( 60 ) will be deflected outwardly (as shown by the arrow C) such that the horizontal sections ( 72   a ,  76   a ) of the cover ( 70 ) are not hooked by the barb ( 61 ) and the stop ( 62 ) of the base ( 60 ) any more. The plates ( 102   a ,  102   b ) are made of metal. 
     It is appreciated that in another embodiment the two inner hinging portions ( 104   a ,  104   b ) can be integrated as a one-piece inner hinging portion. 
     The present invention is clearly described. It will be obvious that the present invention 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.