Electricity: circuit makers and breakers – Electric switch details – Indicators
Patent
1993-03-12
1995-02-21
Recla, Henry J.
Electricity: circuit makers and breakers
Electric switch details
Indicators
200341, 200310, 200313, H01H 900
Patent
active
053918487
ABSTRACT:
A push button switch provides a visual switch actuation acknowledgement signal when actuated. The switch includes an end ring which extends through a cover plate. A push button extends into the end ring and has a lens cap which is exposed to a switch operator at a front surface of the cover plate. The push button also has a plurality of plungers which extend rearwardly through an adapter to actuate an electrical switch mounted on a switch block. The end ring, the push button, the adapter and the switch block are retained on a pair of studs extending from a rear surface of the cover plate by a pair of nuts. A light reflector is positioned between the push button and the adapter and has a forward reflector portion and a smaller diameter rearward base portion which form a radially extending shoulder. The base portion is inserted into an opening in the adapter and is mounted on the adapter by contact with the shoulder. A printed circuit board having light emitting diodes and a diode rectifier bridge mounted thereon is retained in a recess formed in the base portion of the light reflector. A pair of wires connected to the printed circuit board connect the bridge rectifier to a power supply.
REFERENCES:
patent: 3157771 (1964-11-01), Roeser
patent: 4332990 (1982-06-01), Stevens
patent: 4496813 (1985-01-01), Fukushima
patent: 4722028 (1988-01-01), Brannon et al.
patent: 4742198 (1988-05-01), Martin et al.
patent: 4752242 (1988-06-01), Yoshimura
patent: 4910368 (1990-03-01), Honda et al.
patent: 4956528 (1990-09-01), Jannieve et al.
patent: 5150257 (1992-09-01), Mohabbatizadeh et al.
Inventio AG
Recla Henry J.
Walczak David J.
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