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Expired Canadian patentCanada

Engine balancer driving mechanism

CA 1063897 A · Owner: Mitsubishi Jidosha Kogyo Kabushiki Kaisha · Inventors: Iwasa, Seizo; Onoue, Kazuo

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

An engine balancer driving arrangement is disclosed having a plurality of sprockets or belt pulleys mounted respectively, on a driving shaft of an oil pump or the like on, the crank-shaft, and on the shafts of said balancers and a single endless timing chain or corrugated belt engaged with all of said sprockets or belt pulleys. The two sprockets or belt pulleys which are mounted on the balancer shafts are brought into, engagement with the inner and outer periphery of said timing chain, respectively. The oil pump or other auxiliary mechanisms is disposed within a dead space which is formed by the cam shaft driving mechanism between the front wall of the engine and said balancer driving …

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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 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 9, 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—
GrantedOctober 9, 1979
Term endedOctober 9, 1996
Patent numberCA 1063897 A
Classification (IPC)F02B75/06

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedOct 9, 1979Term endedOct 9, 1996

Sources & verification

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