Ceiling grinding apparatus

Details Ceiling grinding apparatus Ceiling grinding apparatus

1975-01-03

1976-04-06

Jones, Jr., James L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24B 2300

Patent

active

039480054

ABSTRACT:
A ceiling grinding apparatus for use in surfacing concrete ceilings comprising a portable support assembly having independently suspended wheels; a central member vertically movable along the support assembly; a boom pivotally mounted on the central member; a grinding assembly coupled to one end of the boom including blade means rotatably supported in a housing; and a biasing mechanism for forcing the blade means against the ceiling during the grinding operation. An exhaust system is connected to the housing for removing the dust and concrete chips therefrom and transferring this material to a collection bag. A hydraulic motor is used to rotate the blade means and is driven by a hydraulic pump coupled to an electrical motor, with the hydraulic fluid being stored in the central member.

REFERENCES:
patent: 1728487 (1929-09-01), Gardner
patent: 2670577 (1954-03-01), McDonough
patent: 2755606 (1956-07-01), Ronvold et al.
patent: 3268935 (1966-08-01), Ungeheuer
patent: 3522679 (1970-08-01), Sundberg

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