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Expired Canadian patentCanada

Bevel gear drive

CA 1211300 A · Owner: Deere & Company · Inventors: Lohr, Thomas H.

CIPO record

Overview

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

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Abstract From the Canadian patent

Abstract of the Disclosure, A bevel gear drive includes a housing having at least a first and second opening. An end cap is fixably mounted in each of the respective openings, sealing between the end caps and the housing being provided by O-rings. A first shaft is rotatably mounted in one of said end caps in a fixed longitudinal position. A driving bevel gear is drivenly mounted around the first shaft in specific location relative to the centerline of the second opening, the location of the driving bevel gear being specifically located by the thickness of a shim adjacent to the base of the bevel gear. A second shaft is rotatably mounted at one location in a bearing seated in the housing. A …

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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 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 13, 1984
GrantedSeptember 16, 1986
Term endedSeptember 16, 2003
Patent numberCA 1211300 A
Classification (IPC)F16H1/14

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedJan 13, 1984Patent grantedSep 16, 1986Term endedSep 16, 2003

Sources & verification

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