Speed reducer with shock absorbing mechanism
CA 2204071 A1 · Owner: Hosoya, Osamu · Inventors: Hosoya, Osamu; Mita, Masaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a speed reducer provided with a shock absorbing rubber damper disposed to a power transmission path from a first wheel to which a driving force of a motor is input to a second wheel from which the power is taken out first, projecting portions 3e, auxiliary projecting portions 3f and second projecting portions 5b formed to a first wheel 3 and a second wheel 5 are disposed together in the intervals T between divided rubber dampers 6 as well as receiver plates 7, 8 are attached to the end surfaces 6a 6b of the rubber dampers 6 serving as surfaces confronting the projections 3e, 3f and 5b so as to approximately entirely cover the end surfaces. Respective two receiver plates 7, 8 disposed to …
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 April 30, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2019.
- 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.