Electric motor with a plastic injection moulding
CA 1332434 C · Owner: Shacklock, Frank Whitney · Inventors: Williams, John Julian Aubrey; Shacklock, Frank Whitney; Chalk, Roger Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electric motor stator and rotor are made by holding magnetic elements thereof in position in dies and injecting a plastics material into the dies to provide bearing carrier mountings substantially concentric with pole faces of the stator and poles of the rotor. The motor is completed by providing a bearing in the stator bearing carrier mounting and a shaft in the rotor bearing carrier mounting the shaft running also in a further bearing mounting tube. The motor and drive so made is mounted to drive an agitation and spin tub of a laundry machine.
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 October 11, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 11, 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.