Ground anchor installing apparatus
CA 1338064 C · Owner: Vanstone, Jack · Inventors: Vanstone, Jack
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Auger-type ground anchors for guy wires or the like are installed using a relatively simple apparatus including a frame mounted on a flat bed truck, a slide in the frame carrying an elongated mast for rotation between an inclined storage position and a vertical use position a carriage, movably mounted on the mast a hydraulic cylinder in the mast, for moving the carriage vertically a motor on the carriage, for rotating a chuck so that an anchor or extension attached to the anchor can simultaneously be rotated and pressed downwardly, and a bracket on the carriage for attachment to the anchor using a chain following installation thereof whereby lifting force can be applied to the carriage and …
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 February 20, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 2013.
- 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.