B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/163
B24B 25/00 (2006.01) B24B 55/06 (2006.01) B24D 15/00 (2006.01)
Patent
CA 1055708
TITLE VACUUM SANDER ABSTRACT OF THE DISCLOSURE A vacuum sander including a porous abrasive sheet mounted on the front surface of a backing plate. A manifold covers the rear surface of the backing plate, and the interior of the manifold communicates with the abrasive sheet through a plurality of bores in the backing plate. The manifold is maintained at reduced pressure by a partial vacuum communicat- ing with the manifold through a tubular handle which is secured to a hollow sleeve projecting from the rear of the manifold. The sleeve extends into the manifold through an aperture and is connected to the backing plate through a universal joint so that the handle can intersect the plate at virtually any angle. An air-impervious boot fastened between the sleeve and the manifold prevents air from leaking into the manifold through the aperture. The residue produced by using the sander is collected by the vacuum in the manifold and conveyed to the vacuum source through the tubular handle.
271185
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