Electrical switches

Details Electrical switches Electrical switches

1979-02-13

1981-04-28

Little, Willis

Electricity: circuit makers and breakers

Electric switch details

Latches

200314, 200316, 200328, 200313, H01H 320, H01H 920

Patent

active

042647991

ABSTRACT:
An electrical switch the body of which includes a base, and supports an operating member for rotational and axial movement relative to the body. The base is formed with an aperture and a light source support member is received in the aperture. Between the light source support member and the base there is defined a passage therein, in use, a region of an appropriately shaped blocking element can be received. The blocking element, when incorporated in the switch, extends into the path of either axial, or rotational movement of the operating member relative to the body to prevent such movement of the operating member.

REFERENCES:
patent: 3288973 (1966-11-01), Piber
patent: 3511954 (1970-05-01), DiPilla
patent: 3867596 (1975-02-01), Schadow
patent: 3973097 (1976-08-01), Rosenberg et al.
patent: 4112277 (1978-09-01), Kleeb
patent: 4160143 (1979-07-01), Schlesier et al.

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