Apparatus and method for prestretching and tensioning flexible drive members
CA 1236317 A · Owner: Dominion Tool & Die Company, Inc. · Inventors: Lawson, Lawrence J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and a method is disclosed herein whereby flexible drive members such as for example conventional V-belts may be automatically prestretched and tensioned to a particular predetermined value with both a high degree of reliability and repeatability. The apparatus comprises a sensor for continuously monitoring the actual tension on the flexible member and providing a signal to a central control unit. A force generating apparatus is also interconnected with the central control unit and operates to exert a force such as to increase or decrease the tension to which the flexible member is subjected. Wrench means may also be provided which are connected to the central control unit and …
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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
- Granted May 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
- 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
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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.