Drive for clothes washing machines
CA 1329235 C · Owner: Fisher & Paykel Limited · Inventors: Shacklock, Frank Whitney; Duncan, Gerald David; Smith, Dennis Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electric motor a drive and a clothes, washing machine including the motor and drive are described, the motor having a stator held outboard of a frame carrying bearings in which a shaft rotates the, shaft carrying the rotor outboard of the stator the, rotor having permanent magnets on an inner face thereof. The shaft carries an agitator and a spin tub of the clothes washing machine and interconnecting members between a part rotatable with the agitator and a part rotatable with the spin tub are movable axially on the shaft relative to each other by a buoyancy system which is operated by the absence or presence of water in a container of the clothes washing machine to connect the spin tub …
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
- Granted May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.