Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-04-18
1978-06-13
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 47, 51 35, 125 13SS, B24B 2704
Patent
active
040941027
ABSTRACT:
A grinding wheel is rotatably mounted on the end of the boom which pivots about a horizontal shaft on its other end. The shaft is suitably mounted on a frame which is disposed thereunder which is, in turn, mounted on a pair of stationary horizontal tracks to enable the frame to move perpendicularly to the shaft. An elevation control hydraulic piston and cylinder assembly is coupled between the boom and frame to rotate the boom upward. A horizontal control piston and cylinder assembly is coupled to the frame and an anchor to move the frame along the tracks. A hydraulic pump provides pressurized liquid to both cylinders through a valving arrangement. The valving arrangement has an automatic timer that alternately supplies pressurized fluid to the head end and to the rod end of the horizontal control cylinder while this cylinder progressively causes the frame to advance along the tracks.
REFERENCES:
patent: 2801458 (1957-08-01), Remmen
patent: 2922257 (1960-01-01), Else
patent: 3253368 (1966-05-01), Vekovius
patent: 3451170 (1969-06-01), Reppenhagen
patent: 3745713 (1973-07-01), Fabre
patent: 3838541 (1974-10-01), Durst
patent: 3878654 (1975-04-01), Wendt
Brown, administrator by Vicki Suzanne
Lauze, deceased Robert Lavern
Nardelli Dominick
Smith Gary L.
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