Circuit breaker comprising a removable calibrating device

Details Circuit breaker comprising a removable calibrating device Circuit breaker comprising a removable calibrating device

1994-03-23

1995-09-12

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

335202, 361614, H01H 6702

Patent

active

054500486

ABSTRACT:
A removable calibrating unit comprises a body, a front panel and a part in the form of a reversible ramp. The reversible ramp comprises an end close to the front panel and an end away from the front panel. Extraction of the removable unit is achieved by means of a pin comprising an extraction lug. When the pin is subjected to rotational movement in one direction, the lug moves from the end close to the front panel to the end away from the front panel and results in extraction of the unit by applying thereon a force separating the unit from the circuit breaker.

REFERENCES:
patent: 4595812 (1986-06-01), Tamaru et al.
patent: 4603313 (1986-07-01), Shimp et al.
patent: 4728914 (1988-03-01), Morris et al.
patent: 4884048 (1989-11-01), Castonguay et al.
patent: 4979437 (1989-11-01), Dard et al.
patent: 5027091 (1991-06-01), Lesslie et al.

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