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Description: |
| Abstract:
It has for its object to provide an improved machine of this kind which is of simple and compact construction and which includes means for removing the dust and dirt from the belt.
Claims:
1. The combination, with a polishing belt, of a pair of wheels over which said belt is passed, a fan mounted on one of said wheels and adapted to draw the dust from said belt, and a housing for said fan and wheel.
2. The combination, with a polishing belt, of a pair of wheels over which said belt is passed, one of said wheels having a flange at one edge, a fan secured to said flange, and a housing for said fan and wheel.
3. The combination, with a polishing belt, of a pair of wheels over which said belt is passed, a fan mounted on one of said wheels, a housing for said fan and wheel, and a flared hood on said housing extending over the belt for the purpose specified.
4. The combination, with a polishing belt, of a pair of wheels over which said belt is passed, a fan mounted on one of said wheels a housing for said fan and wheel, and vanes secured to the interior of said housing and extending inwardly near to the belt for the purpose specified.
5. The combination, with a polishing belt, of a pair of wheels over which said belt is passed, a fan mounted on one of said wheels, and a housing for said fan and wheel having a slot in one end for admitting air.
6. The combination, with a polishing belt, of a pair of wheels over which said belt is passed, a fan mounted on one of said wheels, a housing for said fan and wheel, and vanes secured to the interior of said housing and extending inwardly near to the belt to catch the dirt therefrom, said housing having openings on one end opposite the vanes for the purpose specified.
7. The combination, with a polishing belt, of a pair of wheels over which said belt is passed, a fan mounted on one of said wheels, a housing for said fan and wheel, and vanes secured to the interior of said housing and extending inwardly near to the belt to catch the dirt therefrom, said housing having a slot a housing for said fan and wheel, and a door at one end of said housing for renewing the polishing belt.
8. The combination, with a polishing belt, of a pair of wheels over which said belt is passed, a fan mounted on one of said wheels, and adapted to draw the dust from said belt, a housing for said fan and wheel, and a door at one end of said housing for renewing the polishing belt.
9. The combination, with a polishing belt, of a pair of wheels, over which said belt is passed, one of said Wheels having a flange at one edge, a fan secured to said flange, a housing for said fan and wheel, vanes secured to the inner surface of said housing and extending inwardly near to said belt, a flared hood fastened to said housing and projecting out over said belt, said housing having an opening one end and others opposite said vanes, and a door at the other end of said housing.
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