Fluid wedged double lock fifth wheel
CA 1095547 A · Owner: Neff, Charles G. · Inventors: Neff, Charles G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fifth wheel hitch having three kingpin engagement jaws, two being pivotally shiftable and the third being a plunger slidable in a track to engage the kingpin and simultaneously project between the two pivotal jaws to prevent opening thereof. A wedge is transversely shiftable by a two-way fluid cylinder between the plunger and stop surface on the track to lock the jaws closed. - 1 -
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 February 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 10, 1998.
- 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.