Brush mountings for dynamoelectric machines
CA 1072618 A · Owner: Trico Products Corporation · Inventors: Frimley, Charles H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A brush support combination is provided for dynamoelectric machines in which brushes are continuously urged against a commutator or slip ring. Each brush is carried by a brush arm which is in turn supported on a lead terminal of the machine. The lead terminals may be supported on an open ended motor housing or on an end cap which closes the open ended housing. The brush arm is formed of electrically conductive flat, resilient stock, which supports a brush at one end. The other end is formed into a bight, the free end of which projects outwardly. The bight extends through an opening in the lead terminal entry to which may, be achieved through a throat communicating with the opening. In use …
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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 February 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 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.