Planetary gearing
CA 1092859 A · Owner: Ab Volvo · Inventors: Miller, Albert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Planetary gearing for vehicles such as earth-moving loaders gives a plurality of forward ratios and a plurality of reverse ratios each approximately equal to one of the forward ratios. The gearing has four planetary gear sets with input clutches slectively driving sun gears of the first and second sets. The output is connected to the planet carrier of the first set and to sun or ring gears of the third and fourth sets. One other element of the third set is connected to one other element of the fourth set and to releasable holding means. The remaining element of the fourth set is connected to the annulus of the first set of the planet carrier of the second set. -1-
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 January 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 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.