Electricity: circuit makers and breakers – Retarded – Chain or flexible drive
Patent
1977-10-14
1980-06-03
Scott, James R.
Electricity: circuit makers and breakers
Retarded
Chain or flexible drive
368 52, 368147, H01H 4300
Patent
active
042063272
ABSTRACT:
A switching arrangement comprises a spring-loaded clockwork movement and a switch to control a device, the movement of the spring itself, as it is tensioned or becomes substantially de-tensioned, being utilized to operate the switch.
REFERENCES:
patent: 1083486 (1914-01-01), Granoux
patent: 2674664 (1954-04-01), Clubb et al.
patent: 3258086 (1966-06-01), Romo
patent: 3819885 (1974-06-01), Moroto et al.
patent: 3820432 (1974-06-01), Fishbein
patent: 3846599 (1974-11-01), Fontaine
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