Electricity: circuit makers and breakers – Solid contact – Reciprocating actuator
Patent
1995-11-16
1996-11-19
Walczak, David J.
Electricity: circuit makers and breakers
Solid contact
Reciprocating actuator
200538, 200520, 200530, H01H 320
Patent
active
055765254
ABSTRACT:
A push button is provided with a steel ball pressed by a spring. A separate retaining spring retains the steel ball in a gap between coils of the retaining spring. The push button thus is retained at prescribed pressed down positions.
REFERENCES:
patent: 4656323 (1987-04-01), Schlosser
patent: 4927990 (1990-05-01), Aoki et al.
Shinkoh Electric Co., Ltd.
Walczak David J.
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