Abrading – Machine – Rotary reciprocating tool
Reexamination Certificate
2001-12-05
2004-02-03
Rose, Robert A. (Department: 3723)
Abrading
Machine
Rotary reciprocating tool
C451S157000, C451S358000
Reexamination Certificate
active
06685545
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a roller swaying device for an emery belt machine, particularly to one capable to make the rollers of the emery belts rotate and swing to and fro transversely as well, possible to let the surface of an article ground comparatively smooth.
A conventional emery belt machine has a motor for rotating a roller, which drives the emery belt forward to carry on grinding. However, in such a conventional way, the emery belt can move only in one direction for grinding so that the article being processed can hardly be ground completely to make its surface shiny and smooth. Besides, if there are any projections on the surface of an article being ground, part of the emery belt is likely to be damaged, and if this damaged part of the emery belt is not taken care of, the article afterward cannot be ground smoothly at the same position.
SUMMARY OF THE INVENTION
The objective of the invention is to offer a roller swaying device for an emery belt machine, capable to make the rollers rotate and also swing back and forth transversely, achieving a comparatively good grinding effect and reducing damage to a certain part of the emery belt.
REFERENCES:
patent: 335117 (1886-02-01), Elmer et al.
patent: 357975 (1887-02-01), Burton
patent: 532348 (1895-01-01), Taylor et al.
patent: 743911 (1903-11-01), Muller
patent: 5531636 (1996-07-01), Bissen
patent: 057972 (1913-03-01), None
patent: 327525 (1920-10-01), None
patent: 021958 (1912-01-01), None
Rose Robert A.
Troxell Law Office PLLC
LandOfFree
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