Belt tensioning system
CA 2218579 C · Owner: Guerra, Lawrence E. · Inventors: Guerra, Lawrence E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A belt tensioning system is provided for an appliance having a tub driven by an endless loop drive belt connected to a motor that is movable with respect to a tub housing surrounding the tub. The belt tensioning system includes a rib extending from the tub housing, a pivotal cam washer having a pivot axis and an eccentrically curved cam profile edge with a series of arcuately spaced contact points thereon for engaging the ribs on the tub housing. The cam washer is pivotally mounted to the motor along the pivot axis and loosenably secured against rotation about the pivot axis and with respect to the motor. Normally one of, the contact points engages the rib so as to establish an offset …
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 October 17, 1997 and granted July 8, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 17, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 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.