Clutch device with sprags
CA 2561574 C · Owner: Feldmeier, Fritz · Inventors: Feldmeier, Fritz
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 coupling device for establishing a couplable connection , between two rotationally mounted machine parts, particularly a first , shaft (2) and a second shaft (13). To this end, shaft (13) comprises a , coupling ring (1) that on the inside, has tensioning bodies (3) which , act against each another in pairs and which are arranged so they surround , the shaft (2).
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 March 18, 2005 and granted June 25, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 18, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.