Coupling device for floor maintenance machines
CA 1203356 A · Owner: Malish, Terrance J. · Inventors: Malish, Terrance J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Coupling Device For Floor Maintenance Machines Abstract, A coupling device adapted for use with floor maintenance machines of the type such as floor brushing buffing, polishing, scrubbing or the like which enables automatic coupling of the maintenance element (i-e. brush buffing, disc or the like) without direct manual implementation thereof. The device includes an annual plate member having a circular opening adapted to receive a circular mounting flange carried by the machine drive shaft with the drive shaft having radially projecting lugs which are adapted to pass through radially extending arcuate recesses formed in the plate member so as to lockably engage behind the plate member. On …
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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 April 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 22, 2003.
- 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.