Closure fasteners – Knob rose plates
Reexamination Certificate
2006-11-21
2006-11-21
Glessner, Brian E. (Department: 3676)
Closure fasteners
Knob rose plates
C292S336300, C292S347000, C292S356000, C292SDIG061, C070S224000, C070S452000
Reexamination Certificate
active
07137657
ABSTRACT:
A reinforced apparatus for a lever handle of a door lock comprises a housing having a first bottom plate and a second bottom plate, in which the first bottom plate connects a first annular wall and a second annular wall, and the second bottom plate connects the second annular wall and a third annular wall; a recess formed between the first annular wall and the second annular wall; and a rotary member, in which a coiled spring is disposed between a first and a second side plates of the rotary member: wherein the second bottom plate of the housing is formed with an axially extending predetermined bending member to be bent inwardly for a predetermined angle, after the rotary member and the coiled spring are disposed within the recess of the housing, so that the rotary member is maintained within the recess of the housing and can be operated externally.
REFERENCES:
patent: 2707649 (1955-05-01), Young
patent: 4998760 (1991-03-01), Nixon et al.
patent: 5067758 (1991-11-01), Fann et al.
patent: 5157952 (1992-10-01), Lin
patent: 5265924 (1993-11-01), Kim
patent: 5481890 (1996-01-01), Millman
patent: 5666833 (1997-09-01), Gao et al.
patent: 5718468 (1998-02-01), Qureshi et al.
patent: 5727406 (1998-03-01), Banducci
patent: 6038894 (2000-03-01), Hu
patent: 6085561 (2000-07-01), Yao
patent: 6386602 (2002-05-01), Lan
patent: EP 526409 (1993-02-01), None
patent: 2013271 (1979-08-01), None
Chen Po-Yang
Kuo Ching-Chuan
Wu Rong-Faa
Glessner Brian E.
Lugo Carlos
Senniger Powers
Tong Lung Metal Industry Co. Ltd.
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