Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1990-12-03
1992-05-12
Luebke, Renee S.
Electricity: circuit makers and breakers
Electric switch details
Actuators
2003321, 2003023, H01H 304
Patent
active
051130467
ABSTRACT:
A commercially available micro-switch is enclosed in a two-piece plastic housing which is provided with centering pins. A tab and slot connection forms a labyrinth between the two housing halves and helps protect the interior from intrusion by dust and water. A mechanical actuator is preferably a U-shaped configuration of flat spring steel with one leg located inside the housing and with another leg located outside the housing. The inner leg of the actuator is divided into a first curved tongue and a second tongue. The second tongue extends along an interior of a side wall of the housing and has a free end which engages the micro-switch unit. A base which connects the inner and outer legs extends through an aperture in the housing and is supported, free from any wear, by an O-ring seal between both housing halves.
REFERENCES:
patent: 2431747 (1947-12-01), Fry
patent: 2726105 (1955-12-01), Koenig
patent: 2744984 (1956-05-01), Hults
patent: 2795959 (1957-06-01), Roeser
patent: 2806114 (1957-09-01), Bastian
patent: 3087341 (1963-04-01), Hults
patent: 3155807 (1964-11-01), Wiley
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patent: 3898397 (1975-08-01), Devore et al.
patent: 4356368 (1982-10-01), Osika
patent: 4429200 (1984-01-01), Glenn et al.
patent: 4453062 (1984-06-01), Brown et al.
Honeywell Micro Switch, "Series V5 Minatur-Basisschalter", 1988.
Firmendruckschrift Burgess-Mikroschalter, 2. Auflage, 1977 Seiten 69 und 70.
Deere & Company
Luebke Renee S.
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