Grinding wheel

Abrading – Frame or mount – For hanging rigid – rotary abrading tool

Reexamination Certificate

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Details

C451S541000, C451S548000, C451S510000, C403S373000

Reexamination Certificate

active

07465222

ABSTRACT:
A grinding wheel includes a grinder engaged between a front cover and a rear cover, and rough portions of the front cover and the rear cover press against the grinder tightly. After center rods and fixed rods of the front cover and the rear cover are passed through center holes and fixing holes of the grinder, a bolt is passed through the fixing hole and secured with the nut to form a grinding wheel.

REFERENCES:
patent: 3683566 (1972-08-01), Walters
patent: 4393626 (1983-07-01), Schroer
patent: 4731955 (1988-03-01), Henle
patent: 5658192 (1997-08-01), Reinauer
patent: 6332836 (2001-12-01), Tseng
patent: 6912755 (2005-07-01), Chen
patent: 6929538 (2005-08-01), Yi
patent: 7147550 (2006-12-01), Chen
patent: 7357702 (2008-04-01), Ficai

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