Card holder

Abstract

An example multifunctional card holder comprises: a transparent screen that is attached to a back piece, a spring inside a card holding space between the transparent screen and the back piece, where in the spring connects to the back piece so as to hold one or more cards inside the card holding space by pushing one or more cards against the transparent screen, wherein the spring in substantially straight; the back piece; and a clip attached to the back piece outside the card holding space, wherein the clip includes a first connection opening located substantially at center of upper portion of the clip and is configured to mechanically connect the card holder to an item of a user; and wherein the clip includes a second strip shape opening located at substantially center of the clip.

What is claimed is: 
     
         1 . A card holder, comprising:
 a transparent screen that is attached to a back piece,   the back piece;   a clip attached to the back piece outside the card holding space, wherein the clip includes a connection opening located substantially at upper portion of the clip and is configured to mechanically connect the card holder to an item of a user.   
     
     
         2 . The card holder of  claim 1 , wherein a spring inside a card holding space between the transparent screen and the back piece, where in the spring connects to the back piece so as to hold one or more cards inside the card holding space by pushing one or more cards against the transparent screen, wherein the spring is substantially straight. 
     
     
         3 . The card holder of  claim 1 , wherein the screen is rigid and attached to the back piece via one or more securing screws or ejected vertically into a side rim of the back piece. 
     
     
         4 . The card holder of  claim 3 , wherein the screen can be made of transparent plastic and the screws are made of metal. 
     
     
         5 . The card holder of  claim 1 , wherein the transparent screen is of a rectangular shape and the back piece is also of a rectangular shape except that one edge of the back piece includes an indented card pushing slot that allows a user to push a card from inside the card holding space to outside the card holding space. 
     
     
         6 . The card holder of  claim 1 , wherein the spring is configured to hold two or more cards inside the card holding space. 
     
     
         7 . The card holder of  claim 6 , wherein the card holding space is configured to hold a RFID blocking card and one or more identification or payment cards. 
     
     
         8 . The card holder of  claim 1 , wherein the spring is made of elastic metal. 
     
     
         9 . The card holder of  claim 1 , wherein the spring is configured into a “n” “π” or “T” shape. 
     
     
         10 . The card holder of  claim 1 , wherein the spring is a single “n” shape metal piece with first metal portions at parallel sides of the “n” shape having an arch shape and a second metal portion connecting the first metal portions having a linear shape. 
     
     
         11 . The card holder of  claim 1 , wherein the spring includes two “n” shape ends inserted into two spring positioning slots included in the back piece. 
     
     
         12 . The card holder of  claim 1 , wherein the transparent screen includes one or more inserts positioned to fit inside the space between the spring and edges of the back piece. 
     
     
         13 . The card holder of  claim 12 , wherein the transparent screen includes two inserts having two spring holding slots positioned and configured to hold two ends of the spring into the two spring positioning slots in the back piece. 
     
     
         14 . The card holder of  claim 1 , wherein the clip screw can be in the form of a rivet, screw, or other bolts of similar fashion, attaching the spring to the inside of the back cover and the clip to the outside of back cover. 
     
     
         15 . The card holder of  claim 1 , wherein the back piece contains rectangular protruding slabs on the inside of its side rim, allowing the spring to be locked and attached to the back piece. 
     
     
         16 . The card holder of  claim 1 , wherein the back piece includes one or more hollowed-out regions, allowing the clip screw to secure the clip and the spring. 
     
     
         17 . The card holder of  claim 1 , wherein the clip is made of any elastic material such as elastic or metal and is configured to clip to a user's clothing. 
     
     
         18 . The card holder of  claim 1 , wherein the clip is attached to the back piece using screw-nut or rivet structure. 
     
     
         19 . The card holder of  claim 1 , wherein the clip includes a clip arm configured to hold one or more cash bills against the back piece. 
     
     
         20 . The card holder of  claim 18 , wherein the card holder is of a rectangular shape with the clip arm perpendicular to a short edge or a long edge of the card holder.