Rotor with wear-resistant core for a power abrading or...

Details Rotor with wear-resistant core for a power abrading or... Rotor with wear-resistant core for a power abrading or...

2007-09-26

2010-02-16

Eley, Timothy V (Department: 3724)

Abrading

Frame or mount

Portable abrader

C418S152000, C418S179000, C451S354000, C451S358000, C451S359000

Reexamination Certificate

active

07662027

ABSTRACT:
A power driven abrading or polishing tool is provided that includes a motor having a rotor; a carrier part having a shaft and a key extending from the shaft; and an abrading or polishing head attached to the carrier part. The rotor includes an outer body of a first material and a core of a second material having a resistance to wear greater than the first material. The core includes an inner passage with a keyway which receives the key on the shaft of the carrier part such that a rotation of the rotor is transmitted to the carrier part and the head.

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