Key lock switch with antistatic means

Details Key lock switch with antistatic means Key lock switch with antistatic means

1984-11-14

1987-01-27

Marcus, Stephen

Electricity: circuit makers and breakers

Switch activation inhibitor

Removable actuator

200305, 200 11R, 200277, H01H 2706

Patent

active

046395628

ABSTRACT:
This invention is directed at a key lock switch having antistatic means. The antistatic means include a tubular element and a tubular antistatic wall which extends from a mid-plate and a tubular engagement portion which extends from the actuator of the switch. The antistatic wall circumscribes the tubular element in spaced relation. When the mid-plate is engaged to the actuator the tubular engagement portion is positioned between and in spaced relation to the antistatic wall and the tubular element.

REFERENCES:
patent: 3184559 (1965-05-01), Oxley
patent: 3941954 (1976-03-01), Wintringham
patent: 4009357 (1977-02-01), Naylor
patent: 4405843 (1983-09-01), Wolniak et al.
patent: 4427852 (1984-01-01), Wolniak et al.
patent: 4527024 (1985-07-01), Lai

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