Tensioning stringing davit for power lines
CA 1286739 C · Owner: Hoekstra, Jurrien · Inventors: Hoekstra, Jurrien
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tension stringing davit for use in the stringing of power transmission lines between utility poles attaching temporary side guy cables, and maintenance of power transmission lines, is adapted to be mounted directly on an insulator stand-off bracket instead of the pole. The davit comprises essentially a channel-shaped plate providing a rectangular channel to receive and accommodate the lower arm of the insulator bracket, a projecting arm for suspending cable hoisting or supporting equipment and, temporary side guy cables, welded to the underside of the plate, and a gusset plate welded to the front edge of the plate and the top edge of the projecting arm to provide a rigid assembly. The …
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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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.