Electrical switch having a setting rod acting as a lever

Details Electrical switch having a setting rod acting as a lever Electrical switch having a setting rod acting as a lever

1979-02-12

1980-12-09

Marcus, Stephen

Electricity: circuit makers and breakers

Liquid contact

Time delay

200323, H01H 920

Patent

active

042386535

ABSTRACT:
In an electrical switch including a housing and a button, which button, by means of a manual depression thereof in a single direction, is movable relative to the housing between two positions defined by a setting mechanism, and which mechanism comprises a setting rod one extreme end of which is guided by a slot or groove having two fixing points, the setting rod is embodied like an unequal-armed lever. The longest arm of the lever is allocated said two fixing points whereas the shortest arm is teetably supported in a through-hole of the button. The direction of the hole in the button is substantially perpendicular to the direction of movement of the button, and the rocking point of the lever or rod is situated in a housing wall. In comparison with prior art switches, the switch of the invention exhibits extremely reduced travel or stroke of the button.

REFERENCES:
patent: 3038981 (1962-06-01), Larkin
patent: 3375340 (1968-03-01), Wright
patent: 3914570 (1975-10-01), Lockard

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