Abrading – Accessory – Guard or housing
Patent
1995-11-16
1997-02-25
Little, Willis
Abrading
Accessory
Guard or housing
451344, 451354, B24B 5510
Patent
active
056055005
ABSTRACT:
A vacuum attachment assembly is provided for use in combination with a corner sanding tool comprising a replaceable sander block of resilient foam material having a transverse cross section of the form of an isosceles triangle. The block is removably mounted on a carrier member which is inserted into a close-fitting chamber within the block body through a narrow entrance passage, the carrier being connected to a handle. The vacuum attachment comprises a C-shaped body having two parallel end portions extending from a central portion, and the sander block is of sufficient length that it must be compressed somewhat longitudinally for it to be inserted into the assembly, which is thereby frictionally retained under the resilience of the sander block body material. The attachment central portion has two parallel side walls which are butted by the resilient sander block to establish an air-tight, air-receiving plenum chamber between the attachment member and the sander block. The end portions have air flow passages connecting their free edges with the plenum chamber interior through which the air and entrained dust pass. An opening from the plenum chamber for the air also has a handle passing through to the carrier member. Preferably, the handle is surrounded by a flexible bellows forming part of the air passage, the remainder being constituted by the handle, which is hollow.
REFERENCES:
patent: 4697389 (1987-10-01), Romine
patent: 5193313 (1993-03-01), Sanchez et al.
patent: 5245797 (1993-09-01), Milkie
patent: 5283988 (1994-02-01), Brown
patent: 5470272 (1995-11-01), Kikuchi et al.
Little Willis
Morgan Eileen P.
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