Universal backing flange

B - Operations – Transporting – 24 – B

Patent

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Details

51/161

B24B 23/00 (2006.01) B24B 45/00 (2006.01)

Patent

CA 1314711

ABSTRACT OF THE DISCLOSURE 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 adapted to frictionally engage the backside of the abrasive disc of a non-hubbed type of abrasive disc subassembly.

560532

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