Belt sander having tension adjustment mechanism

Details Belt sander having tension adjustment mechanism Belt sander having tension adjustment mechanism

2006-05-30

2006-05-30

Morgan, Eileen P. (Department: 3723)

Abrading

Machine

Endless band tool

C451S296000

Reexamination Certificate

active

07052381

ABSTRACT:
A belt sander includes a frame, a support seat, a first wheel rod, a second wheel rod, a sand belt, an adjusting unit, and an operation unit. Thus, the operation handle of the operation unit is rotated to rotate the drive shaft which rotates the drive bevel gear which rotates the driven bevel gear which rotates the driven shaft which rotates the threaded rod to move the slide rod by rotation of the threaded rod so that the slide rod moves the support seat relative to the frame to move the first wheel rod relative to the second wheel rod to change the distance between the first wheel rod and the second wheel rod so as to adjust the tension of the sand belt.

REFERENCES:
patent: 3354588 (1967-11-01), Roehrig
patent: 4021970 (1977-05-01), Przygocki
patent: 4313285 (1982-02-01), Jonasson
patent: 5165203 (1992-11-01), Chuang
patent: 5185963 (1993-02-01), De brey
patent: 6095129 (2000-08-01), Kanemichi et al.
patent: 6733372 (2004-05-01), Lin
patent: 6736697 (2004-05-01), Lienard
patent: 6769974 (2004-08-01), Wang
patent: 6855038 (2005-02-01), Caporusso

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