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Expired Canadian patentCanada

Detent mechanism with arc travel limiter

CA 1071899 A · Owner: International Harvester Company · Inventors: Marek, Donald C.; Smith, Spencer E.

CIPO record

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Drawings and full text

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

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Abstract From the Canadian patent

Disclosed is a detent mechanism which includes a fixed detent platform having an aperture therethrough and first and second upwardly extending tabs. First and second protuberances are formed in the detent platform on arcuate paths between the tabs. A rotatable control rod passes through the aperture of the detent platform, and has a transverse appendage extending outward therefrom, which appendage is in contact with the top surface of the detent platform between the first and second upwardly extending tabs. A biasing means is carried on the control rod to urge the transverse appendage into contact with the detent platform whereby the first and second tabs absolutely limit the arcuate travel …

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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 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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.
Filed—
GrantedFebruary 19, 1980
Term endedFebruary 19, 1997
Patent numberCA 1071899 A
Classification (IPC)G05G5/00 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedFeb 19, 1980Term endedFeb 19, 1997

Sources & verification

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