Push switch having a drive member formed unitarily with the hous

Details Push switch having a drive member formed unitarily with the hous Push switch having a drive member formed unitarily with the hous

1982-09-30

1984-07-31

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200340, H01H 312

Patent

active

044632339

ABSTRACT:
A push switch, fixed on the back of a rotary variable resistor, comprises a stationary contact formed on the bottom of an insulating housing part, a movable contact of convex form, and a drive means formed on the end of an arm integrally molded with another part of the insulating housing. The drive means is mounted to the end of the operating shaft, and pushes the central part of the movable contact. Normally, the movable contact during axial movement of the operating shaft does not make contact with the stationary contact, when the operating shaft is pushed, the movable contact however, makes contact with the stationary contact. When pressure on the operating shaft is removed, the movable contact is returned to its original position by the resiliency of the movable contact and the arm.

REFERENCES:
patent: 3133170 (1964-05-01), Nanninga
patent: 3182158 (1965-05-01), Beardow et al.
patent: 3940578 (1976-02-01), Pointon
patent: 4032729 (1977-06-01), Koistinen
patent: 4051665 (1977-10-01), Arn
patent: 4127752 (1978-11-01), Lowthorp
patent: 4398170 (1983-08-01), Nishikawa

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