Rock drilling device
CA 2580082 C · Owner: Andersson, Kurt · Inventors: Andersson, Kurt; Rodert, Joergen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Rock drilling device including a rock drilling machine (1) which is movable forwards and backwards along a feed beam (2 wherein the rock drilling machine , (1) is pivotal around an axis (3) which is arranged along the rock drilling machine (1) , and a channel (4) for supply of lubricant to points of lubrication in the rock drilling machine (1) wherein the channel (4) , includes a sleeve (5) which is provided with a number of generally radial holes (6) that are distributed along the circumference of the sleeve (5) that a groove (7) is arranged around the sleeve (5) in connection with the radial holes (6) , and that the radial holes (6) are dimensioned such that a part 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
- Filed September 28, 2005 and granted March 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 28, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.