Universal backing flange
CA 1314711 C · Owner: Black & Decker Inc. · Inventors: Bailey, Robert W.; Timmons, Russell M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coupling flange for use on a power tool such as a portable grinder for transferring torque loads from the motor-driven spindle of the tool to a tool element subassembly such as an abrasive disc subassembly. The coupling flange is designed to accommodate and be usable with both hubbed and non-hubbed abrasive disc subassemblies. The coupling flange is adapted to be installed onto the spindle of the tool and comprises a first contact surface for frictionally engaging the spindle, and at least two radially spaced annular drive surfaces. The first drive surface is adapted to frictionally engage the backing flange of a hubbed-type of abrasive disc subassembly and the second drive surface is …
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 March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
- 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.