Fifth wheel assembly
CA 1248990 A · Owner: Holland Hitch Company · Inventors: Bakker, Frederick J.; Hungerink, Gerald W.; Bush, James H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fifth wheel assembly for coupling tractor and trailer units includes an improved trunnion bracket com-, prising a pair of forged bearing caps having an inverted U-, shaped configuration, with bearing sleeves fixedly mounted therein. In sliding fifth wheel embodiment of the present invention, the bearing caps are mounted on rectangular channels fabricated from two L-shaped channel members with a flat plate attached to the upper edges of the L-shaped channels. An improved plunger is provided for adjustably connecting the trunnioned fifth wheel assembly with a base plate on which slotted racks have been mounted and comprises, a forged, two-prong construction with internal guides which …
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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 17, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
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.