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Expired Canadian patentCanada

Gear train having an internal gear mechanism

CA 1194342 A · Owner: Caterpillar Tractor Co. · Inventors: Chambers, Robert O.

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Abstract From the Canadian patent

Gear Train Having an Internal Gear Mechanism Abstract, A gear train having an internal gear mechanism is disclosed for use with a continuously variable transmission unit of the nutating traction drive type. The gear train includes body rotatable about a central axis, a first pinion gear rotatably mounted on the body on an inclined axis, a second pinion gear rotatably mounted on the central axis, and either one or two tapered internal gears rotatably mounted on the body on a nutating axis for transferring torque between the pinion gears. The gear train is simple compact, and relatively efficient.

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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 October 1, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2002.
  • 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 8, 1983
GrantedOctober 1, 1985
Term endedOctober 1, 2002
Patent numberCA 1194342 A
Classification (IPC)F16H37/06

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMarch 8, 1983Patent grantedOct 1, 1985Term endedOct 1, 2002

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