Belt tensioner and method of making the same
CA 2062716 C · Owner: Dayco Products, Inc. · Inventors: Henderson, Dewey D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New tensioners for power transmission belts and new methods of making them, are provided hence. In one embodiment of such tensioner a support is included for, being fixed relative to the belt. A belt-engaging structure is carried by the support and is movable relative thereto. Springs are operatively associated with the support and with the belt-engaging structure for urging the belt-engaging structure relative to the support and against the belt with a force to tension the belt. The support includes a housing containing the springs therein, an arm plate and a shaft interconnecting the arm plate to the housing. The belt-engaging structure includes an arm which is rotatably mounted on the …
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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 February 5, 1990 and granted August 17, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 5, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 5, 2012.
- 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.