Hook capable of hooking chain at desired length

Details Hook capable of hooking chain at desired length Hook capable of hooking chain at desired length

2005-09-13

2005-09-13

Sakran, Victor (Department: 3677)

Buckles, buttons, clasps, etc.

Separable-fastener or required component thereof

Including member having distinct formations and mating...

C024S370000, C024S595100, C024S596100, C024S592100, C024S599600, C024S599700, C024S318000, C059S085000

Reexamination Certificate

active

06941622

ABSTRACT:
A hook is capable of hooking a chain at a desired length. The hook comprises a hook body, and a buckle above the hook body. The buckle has a U shape opening. Width of the shape opening is confined by the size of a chain to be hung. The buckle, has a penetrating groove which penetrates two inner sides of the buckle and one outer side of the buckle. A spring and a movable shaft pass through the penetrating groove. The movable shaft is positioned by a pin so that the spring is compressed by the movable shaft and the movable shaft will not drop out of the buckle. A notch is formed at a predetermined portion of the movable shaft. A semi-round groove is formed at a coupling portion of the buckle and the notch, and the semi-round groove is positioned across the two inner sides of the buckle.

REFERENCES:
patent: 499304 (1893-06-01), Minshall
patent: 760171 (1904-05-01), Atwell
patent: 1347725 (1920-07-01), Weiss
patent: 1709235 (1929-04-01), Shaffer
patent: 5832571 (1998-11-01), Kanamori
patent: 5906032 (1999-05-01), Fredriksson
patent: 6308385 (2001-10-01), Ball
patent: 6421888 (2002-07-01), Grenga et al.

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