Drawout and interlock assembly for molded case circuit breakers
CA 1319732 C · Owner: Beck, Henry Richard · Inventors: Ludwig, Alan J.; Beck, Henry Richard; Ferree, James Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
19 52,285, ABSTRACT OF THE DISCLOSURE, A drawout and interlock assembly for manually inserting a low-voltage molded case circuit breaker into positive electrical engagement with the plug-in power terminals of a distribution switchboard panel and then withdraw the breaker into a disconnected-test position is disclosed. The drawout position of the assembly comprises a pair of guide rails and a pair of drive rails that are secured to the back of the circuit breaker housing and cooperate with a pair of support rails and a drive means that are secured to the stationary power blocks of the switchboard panel to effect a sliding telescopic interfitting of parts that permits the circuit breaker 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 June 29, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 29, 2010.
- 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.