Support device for pipe driller

Details Support device for pipe driller Support device for pipe driller

1976-09-27

1978-08-08

Simpson, Othell M.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Work-gripping clamp

125 20, 269270, 408103, B23B 4514

Patent

active

041053583

ABSTRACT:
A support device for a pipe driller and particularly for sewer pipe which eliminates excavation from the underside of the pipe. A support means engages a standard pipe driller and arm members extend from the support. The arm members are pivotally secured to the support and extend in one direction to partially surround the pipe. The arm members also extend in the opposite direction and are operable with screw means to secure the opposing arms against the pipe. The pipe contacting portions of the arm are preferably arcuate in configuration and surround the pipe over not more than ninety degrees of its radius and above the lowermost portion of the pipe.

REFERENCES:
patent: 338021 (1886-03-01), Bennett
patent: 2287354 (1942-06-01), Misch
patent: 2427994 (1947-09-01), Merrill
patent: 2911859 (1959-11-01), Longley et al.
patent: 3090260 (1963-05-01), Brooks et al.
patent: 3293952 (1966-12-01), Fairbanks
patent: 3847501 (1974-11-01), Doty

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