Electricity: conductors and insulators – Covers or face plates – With closure for face plate opening
Reexamination Certificate
2006-12-12
2006-12-12
Reichard, Dean A. (Department: 2831)
Electricity: conductors and insulators
Covers or face plates
With closure for face plate opening
C174S066000, C174S053000, C174S050000, C174S480000, C174S481000, C174S060000, C174S063000, C174S055000, C439S535000, C439S035000, C220S003200, C220S003600, C220S003800, C220S241000, C220S242000, C220S004020
Reexamination Certificate
active
07148421
ABSTRACT:
A lid (20) and a cover main body (10) are formed with sliding contacts (17, 23) that slide in sliding contact with each other immediately before the lid (20) reaches a lid-closing position for damping biasing forces given from coil springs (30) to the lid (20). Frictional resistance is created by the sliding contact of the sliding contacts (17, 23) and the biasing forces given from the torsion coil springs (30) to the lid (20) are damped by this frictional resistance. In this way, an impact given when the lid (20) reaches the cover main body (10) at the lid-closing position is alleviated.
REFERENCES:
patent: 4979634 (1990-12-01), Begley
patent: 5382171 (1995-01-01), Hofmann et al.
patent: 6444906 (2002-09-01), Lewis
patent: 6814581 (2004-11-01), Matsuo et al.
patent: 8-154310 (1996-06-01), None
Kashiki Hiroyuki
Maegawa Akihito
Nagashima Shinyu
Tanigawa Mitsuru
Casella Anthony J.
Harris Anton
Hespos Gerald E.
Reichard Dean A.
Sumitomo Wiring Systems Ltd.
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