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Expired Canadian patentCanada

Interfaced conveyor systems and driverless vehicle for use therein

CA 1163146 A · Owner: Si Handling Systems, Inc. · Inventors: Nagahori, Katsuhiro

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 conveyor system such as one having chain propelled driverless vehicles is interfaced with a conveyor system such as one having rotating shafts propelling a driverless vehicle. The last mentioned driverless vehicle is provided with a contact arm which extends transversely of its vehicle and is selectively operated so as to cause both vehicles to move at the same speed. While both vehicles are moving at the same speed, one or more events may take place such as transferring goods from one vehicle to another on the fly.

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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 6, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2001.
  • 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 19, 1981
GrantedMarch 6, 1984
Term endedMarch 6, 2001
Patent numberCA 1163146 A
Classification (IPC)B61B13/12

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedJan 19, 1981Patent grantedMarch 6, 1984Term endedMarch 6, 2001

Sources & verification

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