Change-speed apparatus for a tractor
CA 1190120 A · Owner: Kubota, Ltd. · Inventors: Tama, Tomeaki; Horii, Yasuyuki; Yoshii, Takashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A change-speed apparatus for transmitting engine power to a set of driving wheels of a tractor via a main change-speed mechanism, an auxiliary change-speed mechanism and a forward-and-reverse travel selector mechanism. The mechanisms are arranged in series in a fore-and-aft direction of a transmission case of the tractor and a shifter lever for the selector mechanism is disposed in juxtaposition to a main change-speed lever for the main change-speed mechanism. Potentially dangerous high speed shifting in either a forward or reverse direction is prevented by a restraining mechanism that automatically inhibits simultaneous shifting of the main changespeed mechanism to the highest speed, the …
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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 9, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2002.
- 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.