Pushbutton switch unit with reversible spring

Details Pushbutton switch unit with reversible spring Pushbutton switch unit with reversible spring

1976-08-18

1978-07-11

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 5E, H01H 1356

Patent

active

041003845

ABSTRACT:
A push-lock switch unit and assembly therefor. The push-lock switch unit utilizes an expanding spring extended between a housing of the switch unit and a movable member which reciprocally moves in the housing. The spring is biased diagonally in relation to the axial direction of the reciprocal movement so that the pushing force applied to the movable member to be pushed into the housing decreases as the movable member moves into the housing, thus enabling the operator to depress the switch with minimum force.

REFERENCES:
patent: 3286050 (1966-11-01), Campbell et al.
patent: 3656181 (1972-04-01), Pack
patent: 3982090 (1976-09-01), Lewis
patent: 4001526 (1977-01-01), Olson
patent: 4010382 (1977-03-01), Nishioka et al.

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