Vacuum sander

Details Vacuum sander Vacuum sander

1989-02-23

1990-07-03

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51180, 51273, B24D 1500, B24B 2300, B24B 5510

Patent

active

049379844

ABSTRACT:
A vacuum sander with the capability of drawing in air and dust that is a byproduct of the sanding process in drywall construction, or other sanding operations. The apparatus is described in both hand-held and handle-held embodiments. The sander comprises a housing with a top wall having front, back and two side walls defining an open bottom and forming a vacuum manifold which communicates with an abrasive sheet at one end and a partial vacuum at the opposite end such that the vacuum manifold is maintained at a reduced pressure. A grid-like support is releasably attached to the manifold open bottom through a plurality of aligned bosses and recesses on opposing walls of the support and housing walls. The grid supports a permeable foam pad which in turn supports the abrasive sheet.

REFERENCES:
patent: 1582664 (1926-04-01), Bennington
patent: 1972315 (1931-07-01), Ramey
patent: 2546245 (1951-03-01), Weigel
patent: 3638362 (1972-02-01), Stoll
patent: 4062152 (1977-12-01), Mehrer
patent: 4368598 (1983-01-01), Kuhlmann
patent: 4697389 (1987-10-01), Romine
patent: 4759155 (1988-07-01), Shaw

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