Transmission mainshaft thrust washer combination
CA 2096984 C · Owner: Eaton Corporation · Inventors: Reynolds, Joseph Douglas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thrust washer combination employing three thrust washers (28,70 and 72) is provided for maintaining separation between and for transferring axial thrust to a mainshaft (2) that has been imparted to either one adjacent floatingmainshaft gears (12,18) of a change gear transmission (100) respectively by a clutch assembly (20) or (22) during the process of selectively clutchingly engaging one of gears (12,18) to the mainshaft to effect the rotation thereof. Gears (12) and (18) have respective adjacent flanges (42) and (44) that extend towards mainshaft (48) with thrust washer (28) being contained in an annular groove (42) therebetween and keyed for rotation with mainshaft (2) and thrust …
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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
- Filed May 26, 1993 and granted May 12, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 26, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2015.
- 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.