Pneumatic buffing machine

Details Pneumatic buffing machine Pneumatic buffing machine

2006-10-10

2006-10-10

Hail, III, Joseph J. (Department: 3723)

Abrading

Frame or mount

Portable abrader

C451S344000, C451S353000, C451S357000, C451S451000, C451S456000

Reexamination Certificate

active

07118467

ABSTRACT:
A pneumatic buffing machine including a housing having an internal chamber in which a pneumatically driven motor set is mounted. The motor set includes an eccentric block for driving a grinding disc. A skirt shade is screwed under a bottom of the housing by means of outer thread and inner thread. The skirt shade has a large diameter section and a small diameter section. The skirt shade is formed with a central through hole. The eccentric block of the motor set is passed through the through hole and accommodated in the large diameter section. A shoulder section is formed between the large diameter section and the small diameter section and adjacent to the outer thread of the small diameter section. A top end of the small diameter section serves as a stopper section. When the skirt shade is screwed into the chamber of the housing, the bottom end of the housing abuts against the shoulder section to tightly fix the skirt shade and the stopper section abuts against the bottom of the motor set to fix the motor set in the chamber of the housing.

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patent: 6447387 (2002-09-01), Tseng
patent: 2004/0229555 (2004-11-01), Hutchins

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