Single lever control for selectively effecting lifting of multiple cutting units of a mower
CA 1318508 C · Owner: Deere & Company · Inventors: Smith, Larry Neil; Phillips, David Lawrence
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A gang mower includes at least right and left wing and three central cutting units including reel drive motors and respectively to which right and left and central hydraulic lift cylinders are connected. A control system including a single control lever is provided for effecting lowering of all of the cutting units in unison and for establishing a driving condition in each reel drive motor when the control lever is moved forwardly to a "lower/mow" position during normal mowing operations. The central three cutting units are caused to be elevated to fully raised or stowed positions and their reel drive motors turned "off" by moving the control lever to an …
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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 June 1, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 1, 2010.
- 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.