Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1977-07-28
1978-09-19
Blum, Daniel
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
15 17, 15146, 294 34, A46B 1702, E04H 320
Patent
active
041143213
ABSTRACT:
A pool cleaning device holder is provided with a fixed clamp jaw on one end of a rectangular base which incorporates a slide clamp having thereon a second clamp jaw, said slide clamp being able to slide along guides provided on the inside of the side bars of the rectangular base, whereby said clamp jaws oppose each other at variable distances, and through means provided, can firmly hold various sizes of commercial swimming pool cleaning blocks and devices. Further provided, is a pole handle adapter incorporating an elongated concave adaptor arm, designed to be placed over the outside circumference of any commercial swimming pool service pole of up to one and one-quarter inches in diameter, and attached thereto. Further provided, are attachment flanges on the pole handle adapter that attach to attachment flanges provided on the rectangular base, which allows the rectangular base to be set at various angles to the pole handle adapter and consequently at various angles to the commercial swimming pool service pole to which the invention is attached.
REFERENCES:
patent: 1233212 (1917-07-01), Flach
patent: 1357963 (1920-11-01), Delaney
patent: 1477685 (1923-12-01), Bostwick
patent: 2769549 (1956-11-01), Bixby
patent: 2816306 (1957-12-01), Davis
patent: 3296643 (1967-01-01), Fortune
patent: 3402413 (1968-09-01), Gibellina
patent: 3858266 (1975-01-01), Thomas
Jarvis Clarence W.
Wenrich Richard A.
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