Self-locking switch unit

Details Self-locking switch unit Self-locking switch unit

1992-07-01

1993-10-26

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

248 271, 361807, H01H 902

Patent

active

052568415

ABSTRACT:
A electric switch is formed in the shape of a container having a front plate adapted for lockingly engaging an opening in an appliance control panel when the switch is rotatingly inserted within the opening in a clockwise direction. The front plate is shaped to allow orientation of the switch in a predetermined position. To unlock the switch from the panel for replacement or repair, the switch must be rotated in the counter-clockwise direction. A spring-loaded cam attached to the front plate engages a separate opening in the panel to prevent inadvertent removal of the switch during operation.

REFERENCES:
patent: 2272688 (1942-02-01), Catron
patent: 2616643 (1952-11-01), Budd
patent: 2969443 (1961-01-01), Barden et al.
patent: 4314220 (1982-02-01), Ito et al.
patent: 4586843 (1986-05-01), Herg et al.
patent: 4715569 (1987-12-01), Essig et al.
patent: 4948949 (1990-08-01), Meisner et al.

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