F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
24/18, 18/681
F16B 45/00 (2006.01) B29C 45/13 (2006.01) B29C 45/26 (2006.01) F16B 45/02 (2006.01)
Patent
CA 1281170
ABSTRACT OF THE DISCLOSURE In a swivel snap hook of synthetic resin, a unitary hook member has a hook body and a resiliently deformable closure tongue molded integrally therewith, a free end of the closure tongue being, as the latter is unstressed disposed inwardly of a free end of the hook body with a relatively small gap therebetween. In use, as the closure tongue is depressed inwardly against its resilience by a ring-shaped article to be threaded onto the hook body, the free end of the closure tongue is spaced wider from the free end of the hook body to open the latter. In production, the unitary hook member is molded on a specific mold in such a state or condition that the free end of the closure tongue is disposed inwardly of the free end of the hook body with the small gap therebetween. The present invention presents advance in the art in that the hook body and the closure tong no longer have to be joined or assembled together. Thus, the expense of production of the hook is reduced.
482410
Gowling Lafleur Henderson Llp
Nippon Notion Kogyo Co. Ltd.
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