Adjustable walking beam interlock mechanism

Details Adjustable walking beam interlock mechanism Adjustable walking beam interlock mechanism

1990-09-17

1991-08-27

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Plural independently operable switches

335161, 200 50C, H01H 920

Patent

active

050436872

ABSTRACT:
A walking beam for interlocking control devices such as circuit breakers is characterized by a central bracket for supporting, on a mounting plate of the control devices, the beam through its central pin, and a single screw is provided for adjusting the central pin level within the bracket until the plungers at the two ends of the beam are fully engaged with their respective control members, which could be the crossbars of a circuit breaker. Once the walking beam has been properly adjusted, the central pin and the screw are fixed in position with nuts.

REFERENCES:
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patent: 4665284 (1987-05-01), Guinan
patent: 4760278 (1988-07-01), Thomson
patent: 4827089 (1989-05-01), Morris et al.
patent: 4902859 (1990-02-01), Witzmann et al.
patent: 4924041 (1990-05-01), Yee

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