Electricity: circuit makers and breakers – Electric switch details – Actuators
Reexamination Certificate
2006-07-06
2009-08-11
Lewis, David L (Department: 2629)
Electricity: circuit makers and breakers
Electric switch details
Actuators
C200S553000, C345S184000
Reexamination Certificate
active
07572995
ABSTRACT:
A switch member comprising a convex knob portion on which the finger of an operator catches, wherein the knob portion is retained such that it is pivotable around a pivot shaft, a base surface of the knob portion is configured as a curved convex surface, wherein the curved convex surface is configured as a surface whose radius of curvature gradually becomes larger in a pulling direction of the finger catching on the knob portion, is provided.
REFERENCES:
patent: 6054655 (2000-04-01), Rudolph et al.
patent: 6459420 (2002-10-01), Harris
patent: 2002/0171292 (2002-11-01), Dinkel et al.
patent: 2005/0051413 (2005-03-01), Altmann
patent: 2005/0109600 (2005-05-01), Hishikawa
patent: 8-2898 (1991-11-01), None
patent: 2571578 (1993-08-01), None
patent: 2000/200522 (2000-07-01), None
Hayakawa Hideaki
Nomura Hidetaka
Cole Thomas W.
Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho
Lewis David L
Roberts Mlotkowski Safran & Cole P.C.
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