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The present invention relates to an interface card fastener, which is set in a computer system host or any other electronic device comprising expansion slots, comprising a bracket and a plurality of pivot assemblies. The bracket is set upon the frame above the expansion slots inside the chassis, and

The present invention relates to an interface card fastener, which is set in a computer system host or any other electronic device comprising expansion slots, comprising a bracket and a plurality of pivot assemblies. The bracket is set upon the frame above the expansion slots inside the chassis, and comprises a back frame engaged with the chassis and a plurality of the inner frames extended from the back frame. Each two inner frames define a fasten chamber, and the back frame comprises a horizontal extended L-shape hook in the appropriate position. The pivot assembly is set in the fastener chamber, which rotates between the fastening and the release positions of the interface card, and comprises a hook and a handle linked with the hook. To operate the fastener, pushing the handle directly to hook with the L-shape hook or unhook in interface card positioning, which is easy operating and stable positioning.

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1. An interface card fastener, which is set in a computer system host or any other electronic device comprising interface card, comprising:a bracket, fitting in a chassis upon a frame of the chassis above a plurality of expansion slots, which comprises a back frame with the chassis engagement and a

1. An interface card fastener, which is set in a computer system host or any other electronic device comprising interface card, comprising:a bracket, fitting in a chassis upon a frame of the chassis above a plurality of expansion slots, which comprises a back frame with the chassis engagement and a plurality of inner frames extending out from said back frame; each two inner frames define a fastener chamber, and inside the back frame in each said fastener chamber comprises a horizontal extended L-shape hook;a plurality of pivot assemblies, set and pivoted in said fastener chambers, which comprises a hook and a handle linked said hook, rotate in said fastener chambers respectively between a fastening or a release position of each the interface card;which is characterized in pushing the handle to hook said linked hook with said L-shape hook or to unhook in operating each the single interface card position.2. The interface card fastener of claim 1, wherein said inner frame of the bracket comprises a bearing hole, which is for said pivot assembly set to pivot in the fasten chamber.3. The interface card fastener of claim 1, wherein said pivot assembly comprises a pivot, which is set into said bearing hole of the bracket, to rotate in a appropriate angle.4. The interface card fastener of claim 1, wherein said bracket comprises a prominent crosspiece in an appropriate place below the L-shape hook to limit the rotation of the pivot assembly.5. The interface card fastener of claim 1, wherein said pivot assembly comprises two aprons on both sides, and a press board in the bottom, which said press board comprises a engagement body 524 in front, to position the interface card.6. The interface card fastener of claim 1, wherein the maximum rotation angle of said pivot assembly is 90°.7. The interface card fastener of claim 1, wherein said computer system host or any other electronic device comprises a chassis and a mainboard set in the chassis, said mainboard comprises a plurality of expansion slots for interface cards, and said chassis comprises a frame to engage a bulkhead of the interface card.