Motor control
CA 1082340 A · Owner: Towmotor Corporation · Inventors: Palmer, Norman H.G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic control for hydraulic operation of forks on a lift truck wherein the motor and pump speed can be matched to the particular flow requirements of each hydraulic ram and wherein a smoothly variable speed of the motor and pump is obtained for operation of the lift ram by the degree of manipulation of the lift lever.
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 July 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 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.
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.