Belt sander apparatus

Details Belt sander apparatus Belt sander apparatus

1985-01-17

1986-12-16

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

198811, B24B 2108

Patent

active

046286403

ABSTRACT:
The invention relates to a wide belt sander for the treatment of surfaces of materials where the sanding belt 3 is provided on the sliding contact 6 pressing against the blank 1 with air discharge perforations 10 and 11 provided on the lower side of the sliding contact for the formation of a dynamic air cushion 18 between sliding contact 6 and sanding belt 3. A pair of shims are located on opposite sides of the sliding contact 6 and are aligned with the lateral edges of the sanding belt to provide sliding surfaces for the edges and a sealing edge for the air cushion.

REFERENCES:
patent: 1949700 (1934-03-01), Turcott
patent: 2761256 (1956-09-01), O'Connor
patent: 3170272 (1965-02-01), Burnham
patent: 3408775 (1968-11-01), Rutt
patent: 4218125 (1980-08-01), Silverberg

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