Transportable remotely actuated racking device for use with high

Details Transportable remotely actuated racking device for use with high Transportable remotely actuated racking device for use with high

1993-09-20

1995-09-26

Pellinen, A. D.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

218154, 361606, H01H 920, H01H 3346

Patent

active

054535875

ABSTRACT:
A transportable, remotely actuated racking device is provided for use in connection the insertion and removal of very high voltage industrial circuit breakers. The device includes a motor activated rod assembly which is moved between first and second positions for grasping of the circuit breaker during insertion and removal from the circuit breaker housing. The racking device is remotely operated from a point of safety relative to the circuit breaker whereby direct exposure to possible fire and explosions which might occur during racking is greatly reduced.

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patent: 3171920 (1965-03-01), Klein et al.
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patent: 4912380 (1990-03-01), Zylstra et al.
patent: 4990873 (1991-02-01), Grunert et al.
patent: 5160908 (1992-11-01), Mullins et al.

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