Differential with variable torque means
CA 1099953 A · Owner: Caterpillar Tractor Co. · Inventors: Day, Ralph R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive mechanism wherein a first rotatable drive portion is connected to a second rotatable drive portion by a clutch. One of the drive portions is provided with a first part drivingly connected to a second part by a meshed interconnecting structure arranged to maintain an effectively positive driving connection between the parts notwithstanding play movement between the interconnected parts. In one form the first drive portion defines a planetary differential gear and the second drive portion includes an axle carrying a side gear in meshing relationship with the planetary gear. The side gear is splined to the axle and releasably connected to a carrier by the clutch. In another form 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 April 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 1998.
- 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.