초록 ▼

A fastener for coupling two members together is provided with a rotatable core carried by a first member and a protruding elbow for insertion through an elongated slot in the second member. By rotating the core, the elbow is caused to swing over the outer surface of the second member, adjacent the s

A fastener for coupling two members together is provided with a rotatable core carried by a first member and a protruding elbow for insertion through an elongated slot in the second member. By rotating the core, the elbow is caused to swing over the outer surface of the second member, adjacent the slot, coupling the two members together. The inner, member-engaging surface of the elbow is tapered to form a ramp-like surface that, with rotation, draws the two members together and frictionally fixes the elbow in its engaged position. The latch core when installed in a tubular first member may be provided with resiliently based, expanding locking members positioned adjacent to the core to secure the latch within the hollow core of the tubular first member.

대표청구항 ▼

[ What is claimed is:] [1.]1. A latch for coupling an upper, perforated, tubular member with outer and inner walls defining an inner cavity to a lower member to be engaged comprising:1) a rotatable core;2) a seating collar carried by the core to block the complete passage of the core through said tu

[ What is claimed is:] [1.]1. A latch for coupling an upper, perforated, tubular member with outer and inner walls defining an inner cavity to a lower member to be engaged comprising:1) a rotatable core;2) a seating collar carried by the core to block the complete passage of the core through said tubular member;3) an elbow protruding from the end of the core, the elbow having a laterally extending leg with an upper locking surface located on the core-side of the leg;4) resilient containment means deployed adjacent the core on the side of the collar opposite to the elbow for insertion with the core and elbow through a perforation in the outer wall of a tubular member for expansion within the inner cavity of such tubular member to engage the core therein; and5) means for manipulating the resilient containment means to reverse said engagement and permit removal of the core from the cavity into which it has been inserted.