Switch using resilient annular contactor

Details Switch using resilient annular contactor Switch using resilient annular contactor

1977-12-14

1979-04-10

Ross, Herbert F.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200 68, 200277, 200339, H01H 2324

Patent

active

041490495

ABSTRACT:
An electrically conductive annular elastic contactor is trapped in a cavity in a housing defined by a bottom wall and left and right side walls. A movable operator cammingly engages the contactor, compressively deforming it until an overcenter position is passed, after which the contactor snaps against the opposite side wall to make and/or break contact with stationary contacts mounted on at least one of the walls.The contactor acts both as the movable contact for engaging stationary contacts and as snap action biasing means for effecting switching operations. Due to the resilient deformation of the contactor, there is afforded a torsional shearing of contact welds.

REFERENCES:
patent: 2847529 (1958-08-01), Munn
patent: 3032620 (1962-05-01), Silberg

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