Lawn mower construction
CA 1050283 A · Owner: Fuso Keigokin Co. · Inventors: Doi, Hachiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lawn mower for cutting grass, comprises a frame having an open bottom and being closed on the sides except for a lateral discharge opening. A drive motor is supported on a top closed cover of the frame, and it includes a drive shaft which drives a rotatable cutter disc which is rotatably supported on a support member of the frame. At least one second cutter disc in the form of a counterdisc is supported on the support member superjacent the first cutter and overlapping a portion of the periphery thereof so that the cutting action on the grass is improved by the interaction of the first cutter and a second countercutter. In the preferred arrangement the support member is formed, in the …
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 March 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 1996.
- 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.