Angle attachment for power tool

Details Angle attachment for power tool Angle attachment for power tool

1999-07-01

2000-04-11

Bray, W. Donald

Abrading

Frame or mount

Portable abrader

451459, 1441545, 409182, B24B 4104, B24B 2300

Patent

active

060482605

ABSTRACT:
An angle attachment for a hand-held power tool, such as a spiral cutting tool, includes an angle attachment housing having an open first end adapted to be attached to the motor housing of the power tool. An alignment bearing is mounted in the angle attachment housing and adapted to receive and support a first shaft having a first shaft gear mounted thereon. An attachment shaft is mounted in the angle attachment housing at an angle, e.g., a right angle, to the first shaft. The attachment shaft includes an attachment shaft gear mounted thereon which is engaged with the first shaft gear. One or more attachment shaft bearings are mounted in the angle attachment housing to support the attachment shaft for rotational movement thereof. The first shaft is coupled to a motor shaft of the power tool before the angle attachment housing is attached to the power tool motor housing. Rotation of the first shaft by the power tool motor causes rotation of attachments attached to the attachment shaft mounted at an angle to the first shaft by means of the gear mechanism formed by the engaged first shaft gear and attachment shaft gear.

REFERENCES:
patent: 4060940 (1977-12-01), DeWitt
patent: 5005321 (1991-04-01), Barth et al.
patent: 5201146 (1993-04-01), Fushiya
patent: 5601483 (1997-02-01), Rudolf et al.
patent: 5718621 (1998-02-01), Turley
patent: 5813805 (1998-09-01), Kopras
patent: 5902080 (1999-05-01), Kopras

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