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Expired Canadian patentCanada

Bogie for cable-drawn vehicle with enhanced cable handling system

CA 1281235 C · Owner: Mcqueen, Norman · Inventors: Mcqueen, Norman

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

Motion is imparted to a car (12) by a cable (10) that runs along the length of a guideway (14) in sheaves (22). To accommodate directional changes in the guideway (14), the sheaves (22) are oriented in a range of configurations, including orientations (22C 22D) above the cable (10). A guiderail (30) is located high on a side of the guideway (14) and imparts guidance to the car (12) via a rail follower (38) on the car. A cable clamp (54) attaches the car (12) to the cable (10) and displaces the cable (10) a large amount from the sheaves (22) to avoid impingement of the clamp (54) and sheaves (22). The cable clamp (54) is disposed so as to occupy the area defined by the rail follower (38). …

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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 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 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.
FiledDecember 11, 1984
GrantedMarch 12, 1991
Term endedMarch 12, 2008
Patent numberCA 1281235 C
Classification (IPC)B61C11/02 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedDec 11, 1984Patent grantedMarch 12, 1991Term endedMarch 12, 2008

Sources & verification

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