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Expired Canadian patentCanada

Overrunning clutch and retainer and roller assembly therefor

CA 1062639 A · Owner: Torrington Company (The) · Inventors: Gehrke, Gerard W.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The overrunning clutch retainer includes circumferentially spaced crossbars extending between longitudinally spaced rims with the rims and crossbars defining pockets sufficiently large to contain a plurality of rollers such as trunnion ended rollers. A flexible spring associated with each of the crossbars is adapted to contact the nearest roller in the pocket and urge the contacted roller circumferentially so that the force exerted by the spring is transmitted to all the rollers in the pocket. The retainer and roller assembly is placed in the annular space between an outer member and an inner member of less outside diameter than the inside diameter of the outer member. The outer member is …

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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 September 18, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 18, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedSeptember 18, 1979
Term endedSeptember 18, 1996
Patent numberCA 1062639 A
Classification (IPC)F16D15/00 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedSep 18, 1979Term endedSep 18, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.