Grinding disc structure

Details Grinding disc structure Grinding disc structure

2006-08-22

2006-08-22

Ackun, Jr., Jacob K. (Department: 3723)

Abrading

Frame or mount

Portable abrader

C451S456000, C451S548000

Reexamination Certificate

active

07094138

ABSTRACT:
A grinding disc structure including an integrally formed main disc adapted to a dust-sucking cover body of a grinder. The main disc has multiple through holes nearly in parallel to an axis of the main disc. The main disc is further formed with multiple internal passages which are horizontally formed in the main disc corresponding to the through holes and nearly perpendicular to the axis of the main disc. The passages are tangential to the through holes. Two ends of each passage respectively communicate with the through hole and outer side around the main disc. The main disc has a complete bottom face to which a grinding layer can be fully adhered.

REFERENCES:
patent: 5105585 (1992-04-01), Hampl et al.
patent: 5919085 (1999-07-01), Izumisawa
patent: 6059644 (2000-05-01), Manor et al.
patent: 6361424 (2002-03-01), Manor et al.

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