Belt drive ring cvt coupler
CA 2415604 A1 · Owner: Yuan, Jing · Inventors: Yuan, Jing
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention comprises a belt drive ring CVT coupler. Drive rings (10 11) , are rotatably connected to each end of a frame (15). Belts (21 22) are , trained around the drive rings. The relative spatial arrangement of the axis of rotation of each set of drive rings is maintained by the frame which holds , the drive rings in a pre-determined relationship between the pulley sheaves (101, 102; 201, 202). The drive ring on the driver pulley (100) turns in the same direction as the driver pulley through frictional contact with the sides of the CVT driver pulley sheaves. The drive ring on the driven pulley side rotates in the same direction to the drive ring on the driver pulley since , they …
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 July 18, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 18, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 18, 2023.
- 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.