Circuit breaker block out

Details Circuit breaker block out Circuit breaker block out

1991-01-23

1992-06-16

Recla, Henry J.

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

200 4315, 200 4316, H01H 928

Patent

active

051226243

ABSTRACT:
A one-piece molded plastic item, having an original and unfolded condition, and foldable into the double condition, and having ribs and channels on one surface in the unfolded condition which interface in the folded condition and form recesses for receiving the actuating lever of a switch. It has locking pins entering into holes in the switch lever. The recess is at an angle corresponding to that of the switch lever, and a binding effect is produced between the recess and switch lever. The folded halves of the item produce a self-locking effect. A second form can be applied to a plurality of side-by-side switches, but is not folded but receives the switch levers in recesses.

REFERENCES:
patent: 2807692 (1957-09-01), Leslie
patent: 2937248 (1959-02-01), Michetti
patent: 4347412 (1982-08-01), Mihara et al.
patent: 4467152 (1984-08-01), Gordy
patent: 4677261 (1987-06-01), Nourry

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