Two speed gear train assembly
CA 1323217 C · Owner: Davis, Alan Richard · Inventors: Davis, Alan Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two-speed gear train (200) including a first gear (118) and a second gear (120) and drive members (11, 114, 106) for driving the second gear faster than the first gear. A double acting clutch (126) splined to a shaft (28A) has a first and second position for clutching either the first gear (118) or second gear (120) to the shaft (28A). The clutch teeth (134 136, 138, 140) are provided with specially configured ramps (222) on certain edges (201,210,212, 214) to improve clutch engagement.
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
- Granted October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
- 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.