Key unit

Details Key unit Key unit

2007-03-01

2008-05-13

Gall, Lloyd A. (Department: 3673)

Locks

Operating mechanism

Key

C070S408000, C070S459000

Reexamination Certificate

active

07370501

ABSTRACT:
A key unit includes a grip case which includes at least a pair of synthetic resin case members joined to each other, and a mechanical key supported in the grip case and having a pivotable key head. A plurality of fitting projections are projectingly provided integrally on a metal holder ring held between the case members. The fitting projections are respectively fitted into a plurality of fitting holes provided in at least one of the case members. An engagement hook resiliently engaging with an engagement hole provided in the holder ring is projectingly provided integrally on one of the case members. This facilitates assembling and enhances assembly strength in attaching the metal holder ring to the grip case.

REFERENCES:
patent: 2790319 (1957-04-01), Brunner
patent: 2822684 (1958-02-01), Ray
patent: 3079784 (1963-03-01), Pavlowski
patent: 3841120 (1974-10-01), Gartner
patent: 4888970 (1989-12-01), Kinzler et al.
patent: 5083662 (1992-01-01), Bishop et al.
patent: 6705141 (2004-03-01), Jacob et al.
patent: 6892558 (2005-05-01), Chodosh
patent: 2007/0062229 (2007-03-01), Miyata et al.
patent: 63-110377 (1988-05-01), None

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