Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1987-06-04
1989-03-14
Parker, Roscoe V.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
210167, 51266, B24B 5500
Patent
active
048115266
ABSTRACT:
A storable water curtain sanding aid system for use with a work surface undergoing sanding, which includes filter for separating water from particulate matter, and a tray that is easy to deploy under the work surface and one of which the unused portion can be stored during the sanding operation. Spigots in a support frame for attaching to a vehicle, supply water to the work surface. The water is caught in the tray and delivered, with particulate matter from the work surface, by a pump to the filter, and water again from the filter to the spigots. The tray includes a plurality of frames along its length which contriubute to its stability and form, and aid in folding during storage. An erection pivot mounted on the frame biases the frame to an upright position when it is drawn from storage. In a preferred embodiment it is fastened to the tray bottom and biases vertical frame sections by way of a bottom frame section. In another embodiment the erection pivot is mounted on a top frame section and rotates with the aid of a fold shield upon deployment of the tray, so that it bears on the tray bottom for aid in side support.
REFERENCES:
patent: 1773374 (1930-08-01), Ruemelin
patent: 3239438 (1966-03-01), Voorhees
patent: 3389797 (1968-06-01), Giardini
patent: 3450266 (1969-06-01), Allen
patent: 4121388 (1978-10-01), Wilson
patent: 4232487 (1980-11-01), Brown
patent: 4300318 (1981-11-01), Brown
patent: 4537639 (1985-08-01), Shook
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