Selectable abrasive head extended reciprocating tool

Details Selectable abrasive head extended reciprocating tool Selectable abrasive head extended reciprocating tool

1998-11-09

2000-09-19

Gerrity, Stephen F.

Abrading

Frame or mount

Portable abrader

451344, 15 222, 15 502, B24B 2300

Patent

active

061203637

ABSTRACT:
A main body containing an electric motor reciprocally driving a rigid longitudinal extension which is frictionally suspended within a graspable sleeve may be held to guide a selected abrasive tool head coupled to the front end of the extension. Power may be supplied by a battery, rechargeable or replaceable, or by alternating current through a cord. A vacuum connected to a sanding head having a porous pad backed by an airtight manifold and attachable to the main body may run on alternating current or a battery. The sleeve may be connected to the main body to provide a continuous uninterrupted exterior. The speed may be varied with use of a variable resistor. An appropriate length stroke is obtained with a sufficiently large diameter driven disc pivotally connected to the extension with a rigid link arm. The tool may be used for powered sanding, scraping, or scrubbing with a wire brush, a bristle brush or an absorbent pad. Other tasks such as filing, polishing, hoeing, et cetera, in which reciprocating abrasive work is performed can be similarly powered with attachment of an appropriate tool head.

REFERENCES:
patent: 4685252 (1987-08-01), Ponce
patent: 5205079 (1993-04-01), Lashley et al.
patent: 5212995 (1993-05-01), Robinson et al.
patent: 5833014 (1998-11-01), Dunn
patent: 5885145 (1999-03-01), O'Mara
patent: 5904080 (1999-05-01), Anderson et al.

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