Tool driving or impacting – With work engaging means supporting drive – Anchored to work
Patent
1976-05-26
1977-10-18
Staab, Lawrence J.
Tool driving or impacting
With work engaging means supporting drive
Anchored to work
834712, 125 14, 173 43, 266 71, E21C 900
Patent
active
040541797
ABSTRACT:
A stone and concrete cutting machine is described for performing cutting operations on stone or concrete surfaces. The machine includes an elongated base that is mountable to a stone or concrete surface through a bracket mechanism that is releasably received on the base. The base is comprised of one or more lengths of triangular cross-sectional tubing that provides rigid support for a truck mechanism movably mounted thereon. A number of rollers are rotatably mounted to a truck mechanism and engage three separate walls of the base to allow longitudinal movement of the truck mechanism along the length of the base. A hollow standard protrudes from the base to movably mount a cutting head carriage. A cutting head is mounted to the carriage through an adapter assembly that facilitates selective positioning of the cutting head on either of two sides of the standard. Drive mechanisms are provided that are concealed within the standard for moving the carriage and attached cutting head and for moving the truck along the base member.
REFERENCES:
patent: RE28121 (1974-08-01), Gulley
patent: 3148001 (1964-09-01), Johnson
patent: 3323507 (1967-06-01), Schuman
patent: 3360298 (1967-12-01), Stoljarov et al.
patent: 3378307 (1968-04-01), Dempsey et al.
patent: 3692357 (1972-09-01), DA Rocha et al.
patent: 3722497 (1973-03-01), Hiestand et al.
patent: 3763845 (1973-10-01), Hiestand et al.
patent: 3989211 (1976-11-01), Gundlach
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