Safety coupler

Details Safety coupler Safety coupler

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 45/04 (2006.01) F16B 45/00 (2006.01) F16G 15/08 (2006.01)

Patent

CA 2377981

A safety coupler includes a ring member, a hook member, and an annular member. The hook member includes a rod portion and a hook, with the rod portion including a pin and a pair of stops. The pin extends through first and second transverse openings provided in the ring member and the annular member, respectively, and rotatably couples the second member to the first member about an axis. The stops axially restrain the pin from passing through the second transverse opening. The annular member axially restrains the pin in the opening of the ring member. The pin is releasably coupled to the first member in the transverse opening such that when a force having a selected magnitude is applied to one of the ring member and the hook member along the axis, one of the stops extends through the first and second transverse openings to decouple the ring member from the hook member. In one form, the annular member comprises a resilient O-ring. Other forms include the annular member comprising a plastic material and, further, wherein the annular member breaks when the force is applied to the ring or hook member thereby releasing the ring member from the hook member. .

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