Tractor-trailer combination including fifth wheel
CA 1069151 A · Owner: East Sandia Industrial Group (A Co-Partnership) · Inventors: Parisi, Anthony; Kollander, Norman A.; Kollander, Melvin M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A trailer suspension system eliminating jackknifing of the towing tractor and trailer assembly, providing stability to the trailer and more efficient braking especially during emergency stops and materially increasing vehicle maneuverability. Steering control is provided by a connection with the towing tractor in laterally offset relation to the vertical pivot axis formed by the kingpin and fifth wheel articulate connection between the towing tractor and trailer. The steerable wheels in the trailer suspension are supported by a generally right angular spindle structure connected to walking beam assemblies for pivotal movement about generally vertical axes which are oriented forwardly of the …
Read the whole patent
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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.