Circuit breaker ratchet and pawl spring charging system
CA 1084566 A · Owner: Gould Inc. · Inventors: Wilson, George A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circuit breaker having a spring operated closing mechanism for establishing contact between the moving contact and the stationary contact; a ratchet and pawl spring charging system in which the ratchet wheel is combined with the crank arm for the closing spring which in turn operates the moving contact arm toward closed position. The pawl carrier plates are mounted on and rotate on the outer periphery of the combined ratchet wheel and crank arm. A motor operated mechanism may also be connected through the same members. This application is related to and filed simultaneously with Canadian applications Serial Numbers 285,924 and 285,925 both in the name of George A. Wilson and assigned to …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.