Normally-closed switching means with over-stroke compensation

Details Normally-closed switching means with over-stroke compensation Normally-closed switching means with over-stroke compensation

1981-06-11

1983-05-31

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

179 90K, 200 5A, 200 6A, 340365R, H01H 1370, H04M 123, H04M 150

Patent

active

043862454

ABSTRACT:
A normally-closed switch in which a movable contact member is normally held in contact with a fixed contact member by spring-load of a plate spring member. When an operating member is pressingly operated, the plate spring member is resiliently displaced into a position where the plate spring member comes in contact with a stopper member. The movable contact member is thus separated from the fixed contact member. When the operating member is pressed further, the plate spring member is not displaced, but a resilient member is compressingly deformed, thereby compensating for the over-stroke of the operating member.

REFERENCES:
patent: 4291201 (1981-09-01), Johnson et al.

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