Anti-dive front suspension
CA 2343368 A1 · Owner: Ultimate Sports Engineering Ltd. · Inventors: Sparrow, Roger Lionel David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The forks of a bicycle are carried by a head tube shaft (11) and are angled forward and comprise two outer support tubes (12) one on either side of the , wheel. An inner suspension tube (13) is telescopically housed in the outer tube (12) and connects to the wheel axle WA. A suspension spring (14) within the outer tube urges down. A torque reaction arm (2) is journalled on the axle WA and carries a brake calliper (16), within which passes a brake disc (17). At the rear end of the arm (2), a rear link is pivotally connected and leads up to an upper pivot point (18) on the outer tube. Application of braking torque causes the rear link to act upwards on the outer tube providing anti-, …
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 September 7, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 7, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 7, 2021.
- 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.