Mechanism for transmitting movement between switch handles of re

Details Mechanism for transmitting movement between switch handles of re Mechanism for transmitting movement between switch handles of re

1986-01-27

1987-05-12

Scott, J. R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

H01N 926

Patent

active

046652841

ABSTRACT:
A mechanism for transmitting movement between switch handles of respective switches permits the actuation of a switch from one conductive state to another conductive state when an adjacent switch unit is actuated from a first conductive state to a second conductive state. Each of the switch units include respective switch handles which are movable between first and second stable positions to actuate the respective switch units between first and second conductive states. A rotatable rocking crank includes a pair of crank arms which project in divergent directions from the axis of rotation to respective positions immediately proximate to and on the same side of the respective switch handles so that rotational movement of the crank is limited in one rotational direction by one of the switch handles and in the other rotational direction by the other switch handle. The crank arms are oriented so that movement of one switch handle from its first position to its second position rotates the crank to drive the other switch handle from its second position back to its first position.

REFERENCES:
patent: Re26113 (1966-11-01), Carter et al.
patent: 1053245 (1913-02-01), Turner et al.
patent: 2348107 (1944-05-01), Brongersma
patent: 2557351 (1951-06-01), Jacobson
patent: 3086090 (1963-04-01), Carroll
patent: 3492448 (1970-01-01), Phillips, Jr.
patent: 3501603 (1970-03-01), Willcox
patent: 3674948 (1972-07-01), Betlejewski et al.
patent: 3767872 (1973-10-01), Whitchurch
patent: 4539860 (1985-09-01), Johnstone et al.

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