Quick action nut for fixing the wheel rim of a vehicle wheel on an end of a shaft of a balancing machine, said end having an outer thread
CA 2292458 A1 · Owner: Warkotsch, Dirk · Inventors: Warkotsch, Dirk; Oppermann, Harald; Carter, Guy W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a quick action nut for fixing the wheel rim of a vehicle wheel on an end of a shaft of a balancing machine said end having an , outer thread. The inventive quick action nut comprises a housing at least one , handle, said handle being positioned essentially radially on said housing and , an inner thread. A thread part (66) is connected to the housing (2). Said thread part (66) is able to turn around the screw axis of the quick action nut, opposite said housing, and has an inner thread (64). The thread part (66) also communicates with the driving face of a rotary drive device (10) said , rotary drive device being connected to the housing. After being switched on …
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
- Filed May 27, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 27, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 2020.
- 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.