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Expired Canadian patentCanada

Conveyor system utilizing linear motor

CA 1282729 C · Owner: Tsuneta, Masayuki · Inventors: Takeuchi, Toshiyuki; Tsuneta, Masayuki

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

A conveyor system utilizing the linear motor comprising a conveyor cart and a guide rail for movably supporting the conveyor cart. The guide rail includes primary coils, and the conveyor cart includes a flexible secondary conductor extending longitudinally of the cart so as to follow the guide rail. The primary coils comprise a station primary coil disposed at each loading and unloading station for stopping and starting the conveyor cart two, primary coils adjacent opposite ends of the station primary coil for decelerating the conveyor cart that is to be stopped at the station by the station primary c-oil and for accelerating the conveyor cart having started from the station to a target …

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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 April 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 9, 2008.
  • 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 26, 1987
GrantedApril 9, 1991
Term endedApril 9, 2008
Patent numberCA 1282729 C
Classification (IPC)B65G54/02 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJan 26, 1987Patent grantedApril 9, 1991Term endedApril 9, 2008

Sources & verification

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