Brake mechanism for a forest cultivator
CA 2070928 A1 · Owner: Holck, Toimi Jalmari · Inventors: Holck, Toimi Jalmari
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a brake mechanism for a forest cultivator, said forest cultivator comprising disc wheels (1, 1'), mounted on either side of a body (3) and fitted with, cultivating tools (2) and said brake, mechanism comprising at least one contact element (7) fastened to each, disc wheel (1 1'), a release element, (6) fastened to a body (11) as well as a clamping element (8) for preventing, rotation of disc wheel (1 1'), said, release element (6) being adapted through the action of contact element, (7) to push towards a clamped disc wheel (1') and to effect the clamping of a, rotating disc wheel (1) and the release of a clamped disc wheel (1'). The, release element comprises a …
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 June 10, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 2014.
- 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.