Portable drilling machine
CA 1087601 A · Owner: Moskovsky Gorny Institut · Inventors: Soldatov, Viktor A.; Shnapir, Yakov I.; Grigoriev, Vladimir K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to drilling equipment. The portable drilling machine comprises a derrick having longitudinal racks guiding a vertical traverse mechanism carrying a traverse having a means designed for rotation of a drill pipe during the drilling operation, said pipe being positioned longitudinally in the derrick in alignment with the drilling axis; a pulldown unit connected through a closed flexible transmission with the vertical traverse mechanism and the traverse to feed during the working run thereof, the drill pipe to the bottom of the hole and, during the reverse run thereof to raise the drill, pipe; and a clamp designed for gripping the drill pipe on completion of 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 October 14, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 14, 1997.
- 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.