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Expired Canadian patentCanada

Anti-buckling control system for articulated vehicles

CA 1231114 A · Owner: Daimler-Benz Aktiengesellschaft · Inventors: Hemming, Herbert; Koch, Dieter; Hornung, Walter

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

An anti-buckling control system is disclosed for articulated vehicles, especially articulated busses. Two double acting piston-cylinder units are interposed in the pivot connection between the forward and followillg vehicular units for applying resistance forces against hinged or buckling movement of the vehicular units with respect to one another. A computerized control unit is provided for controlling the hydraulic circuit for the piston-cylinder units so that they apply resistance forces tending to direct the buckling angle towards desired values determined in dependence upon the forward vehicular unit steering angle, the instantaneous buckling angle, and the vehicle velocity. The …

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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 January 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 5, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 16, 1984
GrantedJanuary 5, 1988
Term endedJanuary 5, 2005
Patent numberCA 1231114 A
Classification (IPC)B62D53/08 +1 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedFeb 16, 1984Patent grantedJan 5, 1988Term endedJan 5, 2005

Sources & verification

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