Locking housing for a switch

Details Locking housing for a switch Locking housing for a switch

1990-03-23

1991-09-10

Cusick, Ernest G.

Electricity: circuit makers and breakers

Switch activation inhibitor

Combined with connector coupling

200 4301, 220 3, 220241, 220 38, 206223, 70164, 70DIG30, 70DIG56, 174 67, H01H 928

Patent

active

050475991

ABSTRACT:
A locking closure for a rotary control member includes a compartment portion, a base portion and an access portion. The access portion has an access opening disposed therein proximate to and adjacent to the rotary control member. A cover plate is securely mounted on the closure access portion and covers the access opening. The access portion includes an extension which interferingly engages an edge of the cover plate so as to prevent any rotational movement of the cover plate away from the access opening.

REFERENCES:
patent: 2458002 (1949-01-01), Kaskouras
patent: 2987909 (1961-06-01), Shlank
patent: 3444712 (1969-05-01), Greenwald
patent: 3467763 (1969-09-01), Shaw
patent: 3660996 (1972-05-01), Syvertson
patent: 4126023 (1978-11-01), Smith et al.
patent: 4127967 (1978-12-01), Franzl
patent: 4469238 (1984-09-01), Ranalli
patent: 4570467 (1986-02-01), Greco
patent: 4638129 (1987-01-01), Partus et al.
patent: 4663950 (1987-05-01), Mascotte
patent: 4895999 (1990-01-01), Calderon
"Q Mark Electric Heating Products", Jun. 1989, pp. 25-26, catalog of Markey Heating Products.
"Danfoss RA 2000", Sep. 1988, Product brochure.

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