Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1983-10-19
1986-03-18
Marcus, Stephen
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
174 48, 200296, H01H 2700
Patent
active
045770760
ABSTRACT:
The switch guard assembly is comprised of an outer plate and a back plate. The switch guard assembly also involves a housing that is mounted against a panel, such as a cinderblock wall or a door jamb. The panel has inner and outer panel faces. The housing assembly is resistant to unauthorized access to the interior thereof. The outer plate and back plate are mounted respectively against the inner and outer panel faces. Both the outer plate and the back plate have openings. A cinderblock or door panel is provided with an opening that will eventually communicate with the openings of the outer and back plates. A pipe includes first and second ends located in the panel openings with the first pipe end passing through and beyond the opening in the outer plate. The second pipe end passes through and beyond the opening in the back plate.
REFERENCES:
patent: 3290475 (1966-12-01), Bross
patent: 3356819 (1967-12-01), Zavertnik et al.
patent: 3941915 (1976-03-01), Boghosian
patent: 3965629 (1976-06-01), Pearson
patent: 4099020 (1978-07-01), Kohaut
patent: 4229614 (1980-10-01), Smolik
patent: 4264792 (1981-04-01), Gillette
Kidorf Renee S.
Marcus Stephen
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