Variable speed rotary power transmission
CA 1181260 A · Owner: Adkins, John S. · Inventors: Adkins, John S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A variable speed rotary power transmission comprises a planetary gear train having a cage with at least one planet gear meshed between a ring gear and a sun gear for orbital motion about an axis common to the ring gear and the sun gear. A driven output is connected to one of the planetary gear train elements and a driving input rotatably drives another of the planetary gear train elements. A variable speed drive assembly varies the relative rotational speed of the remaining planetary gear train element such that the driven output is rotatably driven at a speed which is continuously variable throughout a predetermined speed range without varying the speed of the driving input. In one …
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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 January 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 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.