Locking device of a casing

Details Locking device of a casing Locking device of a casing

2006-08-29

2006-08-29

Mah, Chuck Y. (Department: 3677)

Closure fasteners

Rigid engaging means

Swinging catch

C292S341170, C292SDIG011, C292S095000, C292S130000, C292S132000

Reexamination Certificate

active

07097218

ABSTRACT:
A locking device applies to a casing having a cover and a seat for opening and closing of the casing. The locking device has a recess formed on an edge of the seat, a buckle downwards protruding from the cover and matching the recess, and a roller parallel-disposed in the recess and pivoted to the seat. The buckle has an arcuate face smoothly against an upper slot of the roller for closing and opening the casing. A direction of lifting of the cover corresponds to a rotation of the roller so that a direction of applied force can be continuously unchanged to achieve an ergonomic effect.

REFERENCES:
patent: 1133254 (1915-03-01), Backus
patent: 1309310 (1919-07-01), Voight
patent: 4138151 (1979-02-01), Nakao
patent: 5224744 (1993-07-01), Michelutti
patent: 5393110 (1995-02-01), Nakamori et al.
patent: 5465191 (1995-11-01), Nomura et al.
patent: 5638839 (1997-06-01), Montoli
patent: 6116663 (2000-09-01), Robert
patent: 6152499 (2000-11-01), Robert
patent: 6762928 (2004-07-01), Lo

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