Door lock device

Closure fasteners – Bolts – Swinging

Patent

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Details

E05C 326

Patent

active

051865041

ABSTRACT:
A door lock device which comprises a structural base body by which a latch plate and a control mechanism for the latch plate are operatively carried; and a cover plate attached to the structural base body in a manner to cover the latch plate. The cover plate includes larger and smaller flat portions which are mutually intersected and the cover plate has an enclosed aperture which extends between the larger and smaller flat portions and through which the latch plate is exposed.

REFERENCES:
patent: 4850625 (1989-07-01), Hori et al.
patent: 4913477 (1990-04-01), Watanuki et al.
patent: 4948183 (1990-08-01), Yamada
patent: 5000495 (1991-03-01), Wolfgang et al.
patent: 5092638 (1992-03-01), Miyuki

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