Circuit breaker driving device

Details Circuit breaker driving device Circuit breaker driving device

1991-10-23

1994-02-15

Recla, Henry J.

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

200337, 200401, 335189, H01H 500

Patent

active

052869369

ABSTRACT:
A circuit breaker device, convertible from break-after-make operation to break-during-make operation for response to break commands received during circuit breaker setting operation is provided having a driving lever rotated by the energy of an energizing spring released by an energization suppressing mechanism. A closing shaft is further provided for closing and opening a movable contact via a coupling device coupled to the driving lever. The coupling device being effective for transmitting energy from the driving lever to the closing shaft to close the moveable contact and to dampen the energy applied from the driving lever to the closing shaft when a trip-free command is asserted by a trip lever in order to keep the movable contact in an open position.

REFERENCES:
patent: 3597556 (1971-08-01), Sharp
patent: 3684848 (1972-08-01), Davies
patent: 4152562 (1979-05-01), Kohler et al.
patent: 4439653 (1984-03-01), Umino et al.
patent: 4453056 (1984-06-01), Liebig
patent: 4654494 (1987-03-01), Wuthrich
patent: 4791250 (1988-12-01), Yin
patent: 4935712 (1990-06-01), Oyama et al.

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