Portable belt sander

Details Portable belt sander Portable belt sander

2011-08-30

2011-08-30

Morgan, Eileen P. (Department: 3723)

Abrading

Machine

Endless band tool

C451S350000, C451S355000

Reexamination Certificate

active

08007345

ABSTRACT:
A portable belt sander having a drive pulley capable of being produced at a limited period. The sander includes a main body accommodating therein a motor, a drive shaft rotationally driven by the motor, a drive pulley coupled to the drive shaft, a driven shaft, and an endless polishing belt mounted between the drive pulley and the driven pulley. The drive pulley includes a base section coupling the drive shaft and made from a rigid material, and an outer low hardness section made from an elastomer material and disposed over an outer peripheral surface of the base section and integrally therewith by injection molding. Mating surfaces between the base section and the outer section are irregularly formed.

REFERENCES:
patent: 5223599 (1993-06-01), Gajewski
patent: 5233725 (1993-08-01), Lautenschlager
patent: 7011084 (2006-03-01), Richard
patent: 7846011 (2010-12-01), Wall et al.
patent: 2002/0009962 (2002-01-01), Swaddle et al.
patent: 2008/0095626 (2008-04-01), Krogmeier et al.
patent: 2010/0284642 (2010-11-01), Mineno et al.
patent: 1147603 (1997-04-01), None
patent: 2000-280157 (2000-10-01), None
Chinese Office Action issued Mar. 13, 2009 in Chinese Application No. 200710300194.7, and English translation of Chinese Office Action.

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