Vehicle transmission with manually shifted lower gears and automatically shifted upper gears
CA 2038464 A1 · Owner: Schwaiger, Dennis · Inventors: Baer, Kurt; Schwaiger, Dennis; Yant, Ken
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle mechanical transmission includes a conventional shift lever which enables the vehicle driver to manually select lower gear ratios, and an automatic shifting mechanism which provides automatic shifting between selected higher ratios once the driver has moved the shift lever to an "automatic" position. The transmission includes a plurality of shift rails which are individually and selectively moveable from a neutral position to two different gear positions. In accordance with the present invention, the shift lever is only coupled to mechanically shift a portion of the shift rails typically those shift rails corresponding to the lower gear ratios. Once all the lower ratios have been …
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 March 18, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 18, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 18, 2013.
- 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.