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Expired Canadian patentCanada

Mounting of the coupling body of a trailer coupling in the cross-piece

CA 1278591 C · Owner: Rockinger Spezialfabrik Fur Anhangerkupplungen Gmbh & Co. · Inventors: Breu, Johann

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

A mounting for the draw rod of the coupling body of a trailer coupling is proposed. The draw rod passes through a cross-piece bore of a cross-piece fast with the towing vehicle. The cross-section of the draw rod at the passage through the cross-piece bore corresponds to the cross-section of the cross-piece bore. A bearing tube secured to the cross-piece for the guidance of the draw rod extends from the crosspiece only in the direction pointing away from the coupling body. Between the end of the draw rod remote from the cross-piece and the end of the bearing tube remote from the cross-piece a support acting in both force directions is provided, that is to say a support for traction force …

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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 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.
FiledJuly 21, 1986
GrantedJanuary 2, 1991
Term endedJanuary 2, 2008
Patent numberCA 1278591 C
Classification (IPC)B60D1/00 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJuly 21, 1986Patent grantedJan 2, 1991Term endedJan 2, 2008

Sources & verification

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