Right-of-way tree line trimmer
CA 1215899 A · Owner: Dixon, Raymond E. · Inventors: Dixon, Raymond E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle mounted boom apparatus including a lower boom member pivotally mounted at the front end of the vehicle and an upper boom member pivotally connected at the lower boom. A gang of circular saws including a, drive means for the saws, is mounted at the end of the upper boom member so that limbs extending across the right-of-way of a power line can be trimmed in a vertical plane by simply driving the vehicle parallel to the right-of-way and moving the booms vertically relative to each other and the vehicle. The booms are mounted on a base that can be rotated about an axis longitudinally of the vehicle and the gang saws can be moved transversly of the upper boom.
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 December 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 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.