Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-05-08
1991-08-13
Parker, Roscoe V.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51180, 15 17, B24B 2302
Patent
active
050385232
ABSTRACT:
This invention pertains to a rotary disk tool which utilizes pressurized water as the working fluid. When an operator engages a trigger on a novel control handle and valve assembly, pressurized seawater enters the rotary disk tool through the control handle and valve assembly into a seawater powered vane motor. The shaft of the seawater powered vane motor, is coupled to a drive gear. The drive gear, in turn, is in operative engagement with a driven pinion coupled to an output shaft which drives an abrasive disk. Seawater exhausted from the motor into a gear and pinion housing provides lubrication for the drive gear, driven pinion, and the bearings used with the gear and pinion. The seawater is then exhausted from the housing as a fan spray directed onto the back of the abrasive disk so as to reduce drag of the disk in water and to flush away loose material from the work surface.
REFERENCES:
patent: 2077693 (1937-04-01), Herrero
patent: 3899852 (1975-08-01), Batson
patent: 3906682 (1975-09-01), Glasser
patent: 3928947 (1975-12-01), Millett
patent: 4102084 (1978-07-01), Bloomquist
patent: 4129966 (1978-12-01), Smart et al.
patent: 4193228 (1980-03-01), Bowler
patent: 4380270 (1983-04-01), Ludwig
patent: 4463525 (1984-08-01), Sheber
Barradas Scott
Caudy Donald W.
Dick William R.
Farber Bruce
Hackman Donald J.
Kalmbaugh David S.
Parker Roscoe V.
The United States of America as represented by the Secretary of
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