Control-pedal-mechanical speed with electrical direction control
CA 1071976 A · Owner: Caterpillar Tractor Co. · Inventors: Simmons, Gerald P.; Amdall, John K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A control linkage for combined simultaneous control of an engine throttle and a transmission ratio control includes a foot pedal mounted for physical movement about a first axis from its zero position, a throttle linkage connecting the pedal to an engine throttle for movement therewith through the control range and transmission ratio control linkage connecting the control pedal to a ratio control value for movement with the pedal through the control range and means for shifting the ratio control linkage to a first position for movement with the pedal and a forward for movement of the valve in a forward direction and shiftable to a second postion for movement if the valve in the reverse …
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 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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.