Epicyclic unit of a planet gear
CA 2221597 A1 · Owner: Bell, Rolf Carl · Inventors: Brokamp, Karl-Heinz; Bell, Rolf Carl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An epicyclic unit of a planet gear consists of a carrier which is provided with a journal for initiating the torque and a flange (1) arranged coaxially to the carrier said flange, having a spline toothing on its outer casing surface (2) to support a lamina (4) of a coupling adapted thereto to divert the torque. The carrier and the flange (1) are coupled to one another so as to be torsionally fixed and each receive a bearing pin of planet wheels arranged axially parallel between the carrier and the flange (1). In order to be able to manufacture such an epicyclic unit in an inexpensive manner it is proposed that the carrier and the flange (1) be made of cast aluminum and that the spline …
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 November 20, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 20, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 20, 2019.
- 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.