Wire saw drive apparatus
CA 1262414 C · Owner: Johnston, Edward P. · Inventors: Kubo, Setsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a wire saw drive apparatus having a carriage a wire drive pulley mounted on the carriage. pulley drive means for rotating the wire drive pulley to drive an endless cutting wire, a Pair of adjust pulleys for guiding a tensile side and a loose side of the cutting wire, and carriage drive means for moving the carriage and maintaining the cutting wire under a desired tension the improvement comprises elastic means mounted between an adjust pulley supporting body for guiding at least the tensile side of the cutting wire and the carriage for, receiving a force applied from the cutting wire to the adjust pulley, and a guide pulley mounted on the carriage near the adjust pulley for guiding 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 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2006.
- 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.