Random orbital sander

Details Random orbital sander Random orbital sander

2005-04-12

2005-04-12

Nguyen, George (Department: 3723)

Abrading

Work holder

C451S357000, C451S355000, C451S359000, C277S609000

Reexamination Certificate

active

06878049

ABSTRACT:
A pneumatically operated, random orbital sander is disclosed as having an upper seal adapted to retard the entry of dust into an exposed or lowermost motor shaft supporting bearing and a lower seal adapted to retard the entry of dust into a motor shaft mounted bearing serving to couple the motor shaft to a sanding pad or disc.

REFERENCES:
patent: 4854085 (1989-08-01), Huber
patent: 5445558 (1995-08-01), Hutchins
patent: 5538086 (1996-07-01), Wright et al.
patent: 5823862 (1998-10-01), Heidelberger
patent: 5879228 (1999-03-01), Sun
patent: 5979000 (1999-11-01), Gansow
patent: 6004197 (1999-12-01), Huber
patent: 6257970 (2001-07-01), Huber
patent: 6343982 (2002-02-01), Sun

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