Drive mechanism for a domestic vibration apparatus
CA 1266789 C · Owner: Schemmann, Hugo · Inventors: Schemmann, Hugo; Bukoschek, Romuald L.; Bertram, Leo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Drive mechanism for a domestic vibration apparatus". The invention relates to a drive mechanism for a domestic vibration-type apparatus, such as a dry-shaver or a massage device, in which the rotor shaft (19) of a single-phase synchronous motor drives a cam-and-follower mechanism which converts the rotary motion of the rotor into a vibratory motion, the rotor of the motor having a main field direction (22) and the stator having a main field direction (16). The longitudinal axis of the mirrorsymmetrical cam extends at an angle to the main field direction (22) of the rotor. Rollers (31 31a) which, follow the cam (21) are arranged on a driver end (27 27a), of a pivotal arm which is pivotable …
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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 March 20, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 2007.
- 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.