Method and apparatus for arresting movement of a chain saw cutter chain
CA 1053126 A · Owner: Mcculloch Corporation · Inventors: Pilatowicz, Edward J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and apparatus for arresting the movement of a chain saw cutter chain wherein control energy is developed by the chain saw engine, stored and used to, disable a chain saw brake mechanism. Method and apparatus for arresting the movement of a chain saw cutter chain wherein an inertia device independent of chain saw operator manipulation serves to, actuate the release of chain saw engine developed and stored energy, with the energy release functioning to actuate a chain saw brake. Method and apparatus for arresting the movement of a chain saw cutter chain wherein a pressurized body of fluid is generated by chain saw operation and is employed to actuate a chain saw brake.
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 April 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 1996.
- 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.