Patent ID: 7262976

Claim:
A fastener comprising: a locating block for supporting an interface card on a circuit board, said locating block comprising a through hole extending through top and bottom walls thereof and two locating grooves symmetrically vertically disposed at two sides in said through hole; a hollow hook member for insertion through a respective mounting through hole in the interface card being supported on said locating block into the through hole of said locating block to secure the interface card to said locating block, said hollow hook member comprising two obliquely backwardly protruding barbs symmetrically disposed at two opposite lateral sides and respectively engaged into the locating grooves of said locating block to stop said hook member from rotation relative to said locating block, two longitudinal spring strips arranged in parallel at a rear side thereof and respectively terminating in a clamping portion outside the interface card being supported on said locating block, and two obliquely forwardly protruding hooked portions respectively extended from said longitudinal spring strips and respectively hooked on a top wall of the interface card being supported on said locating block; and a holding down member for insertion into said hollow hook member to hold down said hook member so as to lock the interface card to said locating block, said holding down member comprising a handle for gripping by hand and a bolt extending from said handle for insertion into said hollow hook member to force said barbs against said locating block.