Positive mechanical lock-out device

Details Positive mechanical lock-out device Positive mechanical lock-out device

1975-08-06

1977-05-24

Hohauser, Herman

Electricity: circuit makers and breakers

High-potential type

Rotating and pivoted

200 50C, H01H 3100

Patent

active

040257428

ABSTRACT:
Sequential operation of a pair of switches in a required sequence of operation is ensured by means of a telescoping arrangement of tubes which are connected to associated ones of switch operating shafts. A positive stop prevents the movement of one telescoping member relative to the other out of sequential order.

REFERENCES:
patent: 3038052 (1962-06-01), Froland

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