Lifting apparatus for electrical switchboards

Details Lifting apparatus for electrical switchboards Lifting apparatus for electrical switchboards

1978-11-09

1981-05-26

Spar, Robert J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

414608, B66B 920

Patent

active

042692857

ABSTRACT:
A lifting mechanism including a carriage mounting a circuit breaker, a disconnecting switch and the like and supported on guide rails to facilitate racking movement of the circuit breaker, disconnecting switch and the like between the positions of electrical engagement and disengagement. The carriage includes a bucket upon which is mounted electrical devices, e.g. a circuit breaker, a disconnecting switch and rollers to transfer a bucket which moves along the guide rails which are detachably engaged in an electrical switchboard.

REFERENCES:
patent: 976240 (1910-11-01), Winkler
patent: 1280090 (1918-09-01), Schrottky
patent: 1297619 (1919-03-01), Wessmann
patent: 2175041 (1939-10-01), Thumim
patent: 2714434 (1955-08-01), Peterson
patent: 2792913 (1957-05-01), Capgras
patent: 3012635 (1961-12-01), Blain
patent: 3081839 (1963-03-01), O'Brien
patent: 3115211 (1963-12-01), Ostrander, Jr.
patent: 3804208 (1974-04-01), Iida
patent: 3866717 (1975-02-01), Johansson
patent: 3964573 (1976-06-01), Wilson

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