Winch
CA 1254193 A · Owner: Rotzler G.M.B.H. Co. Spezialfabrik Fur Seilwinden Und Hebezeuge · Inventors: Frommherz, Egon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A winch is disclosed which includes at least one rope drum about which a rope is slung as well as a transmission which is disposed between the rope drum and a drive motor. The transmission includes a drive shaft an output shaft and a, gear shifting device for different rope speeds. A stop brake is provided for the output shaft of the transmission. The gear shifting device is mounted between the drive shaft and the stop brake and is configured with respect to the output shaft so that it can be shifted from the second gear down to the first gear via a coupling disc which is actuated by a switching piston.
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 May 16, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 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.