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Expired Canadian patentCanada

Intermediate plate positioner means for a friction clutch assembly

CA 1313357 C · Owner: Flotow, Richard A. · Inventors: Dickson, Thomas G.; Kummer, Martin E.; Flotow, Richard A.

CIPO record

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

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Abstract From the Canadian patent

An intermediate plate positioner means for a multiple disk friction clutch assembly is disclosed. A plurality of apertures are formed about the periphery of the intermediate plate. A positioner pin is inserted in each of the apertures extending between the flywheel and the cover of the clutch assembly. Each positioner pin is sized relative to its respective aperture so as to provide an interference fit therebetween. The force required to axially slide each positioner pin through its respective aperture is predetermined to be less than the force generated by clutch springs, which urge the clutch assembly toward an engaged position, but greater than the force exerted by the drive straps of …

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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 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 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.
FiledMarch 31, 1989
GrantedFebruary 2, 1993
Term endedFebruary 2, 2010
Patent numberCA 1313357 C
Classification (IPC)F16D13/70 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMarch 31, 1989Patent grantedFeb 2, 1993Term endedFeb 2, 2010

Sources & verification

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