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Expired Canadian patentCanada

Log turner for aligning logs

CA 1051465 A · Owner: Ab Hammars Mekaniska Verkstad · Inventors: Ekholm, Rolf; Asen, Lars-Borje

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 log turner is disclosed for turning and aligning logs. The present device operates at a high working rate and uses a minimum amount of energy for its operation. The device has a charge conveyor for conveying a log to an opening beneath which is a discharge conveyor. Push-off members are attached adjacent the charge conveyor and the opening. The charge conveyor pushes logs onto a chute inclined downwards from the charge conveyor to the discharge conveyor. A roller plane is provided together with the charge conveyor to carry a log to the opening and then arc shaped push-off arms on the push-off members push the log down the carrying chute. The push-off arms are adapted to give the log 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 March 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 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—
GrantedMarch 27, 1979
Term endedMarch 27, 1996
Patent numberCA 1051465 A
Classification (IPC)B27B31/04 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 27, 1979Term endedMarch 27, 1996

Sources & verification

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