Floor cleaning or treatment machine
CA 1257954 A · Owner: Diethelm & Co. Ag · Inventors: Serou, Charles M.; Brunner, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
INVENTORS: CHARLES MATHIEU SEROU and PETER BRUNNER INVENTION: FLOOR CLEANING OR TREATMENT MACHINE ABSTRACT OF THE DISCLOSURE, A drive train is situated between an electric motor and a rotatable support disk to which an exchangeable cleaning or treatment implement or tool is fastened. In order to prevent overloading of the motor as well as to optimally adapt the speed of rotation of the support disc to operating conditions, especially the surface properties of the floor the, drive train possesses a friction transmission drive in, particular a friction wheel drive. This friction transmission drive automatically alters the rotational speed of the support disc in accordance with the torque …
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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 August 1, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 1, 2006.
- 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.