Toothed member and a corresponding locus
CA 2559388 C · Owner: Katz, Andre · Inventors: Katz, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The locus of a gearing contact points called an action curve (A) is embodied in the form of a lemniscate (Lg Ld) having a double point coinciding with the rolling point (T) of two pitch circles (Pr¿g? Pr¿d?). The gearing contact is carried out at the top point (S¿gh?) of the lemniscate under a zero wireless pressure between two points where profiles have the same centred curve on the rolling point (T). Said invention is used for reducing wear and operating noise.
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 11, 2005 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 11, 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.