Abrading – Machine – Rotary tool
Reexamination Certificate
2006-10-13
2008-10-07
Rose, Robert (Department: 3723)
Abrading
Machine
Rotary tool
C451S065000
Reexamination Certificate
active
07431636
ABSTRACT:
An adjustment device for adjusting a level difference between rollers of a roller belt sander includes a base, an eccentric shaft and a restricting knob. The base is fixed on an interior wall edge of a main body corresponding to two ends of a roller. The eccentric shaft inserted pivotally in a penetrating opening of the base has a rear end portion, and a front-end engaging portion formed eccentrically to engage with the roller pivotally. The restricting knob is engaged in a threaded hole of the base to fix the eccentric shaft. Therefore, the adjustment device can be turned to enable the roller positioned at a level for preferable grinding.
REFERENCES:
patent: 1373193 (1921-03-01), Lumsden
patent: 1841411 (1932-01-01), Kux
patent: 3577684 (1971-05-01), Jakimcius
patent: 4043082 (1977-08-01), Ferroglio
patent: 4707946 (1987-11-01), Hirohata
patent: 5165203 (1992-11-01), Chuang
patent: 6213694 (2001-04-01), Ichikawa
Chow Ming
Rose Robert
Sinorica LLC
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