Parallel-axis combination gear differential
CA 2109325 A1 · Owner: Zexel-Gleason Usa, Inc. · Inventors: Tseng, Gordon B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the disclosed torque-proportioning type of automotive differential (10), a parallel-axis planetary gear arrangement is carried within a housing (12) rotatable about a pair of drive axles (14 16). A pair of sun/side gears (20, 22) receive respectively, the, ends of the coaxial drive axles. The side gears are interconnected by at least one planetary pair of combination gears (24 26, 28, 30). Each combination gear of the pair is in mesh with a respective one of the side gears (20, 22) and each shares two, separate and distinct meshing portions with its paired combination gear. For each combination gear the two meshing portions shared with , its paired gear straddle the portion of the gear …
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
- Filed July 6, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 6, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 6, 2014.
- 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.