Grinding attachment for a hand-held power-operable rotary tool

Details Grinding attachment for a hand-held power-operable rotary tool Grinding attachment for a hand-held power-operable rotary tool

1990-06-29

1991-07-16

Parker, Roscoe V.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24B 2306

Patent

active

050313622

ABSTRACT:
A grinding attachment is provided for a hand-held power-operable rotary tool, which may consist of a hand-held drilling machine or a hand-held angular surface grinder. The grinding attachment comprises a drive pulley, a reversing pulley, an endless grinding belt trained around said pulleys, and a belt-tensioning finger extending between said pulleys. The reversing pulley has a slightly sloping peripheral surface and is rotatably mounted in a U-shaped bracket, which is axially extensible by means of a spring-biased push rod and in its peripheral surface is provided with a centrally disposed annular groove, which prevents a slipping of the grinding belt trained around the reversing pulley.

REFERENCES:
patent: 3611646 (1971-10-01), Cameron et al.
patent: 3643385 (1972-02-01), Mikiya
patent: 4578906 (1986-04-01), appleton
patent: 4858390 (1989-08-01), Kenig

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