Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1975-06-05
1977-04-26
Tolin, Gerald P.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
277212FB, 74 181, 200148B, H01H 904
Patent
active
040203077
ABSTRACT:
A compressed gas electrical switch wherein the switching point, i.e. the contact actuating mechanism is operated by means including a pivotally mounted lever which is introduced into the pressure-gas filled switch housing. For sealing the lever at the point of entry into the switch housing, the lever is surrounded partially by a sleeve connected to it and which is provided at the entry point with a spherically shaped zone. A highly elastic sealing gasket rests upon the outer surface of the sleeve, one end of the gasket including a connected flange at one end situated on the spherically shaped zone of the sleeve, and the other end of the gasket being secured to the end of the sleeve within a disc-shaped part connected in a gas-tight manner to the lever.
REFERENCES:
patent: 2718575 (1955-09-01), Taylor
patent: 2726105 (1955-12-01), Koenig
patent: 3164389 (1965-01-01), Thomas
patent: 3290073 (1966-12-01), Gottschald
BBC Brown Boveri & Company Limited
Tolin Gerald P.
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