Mine roof channel clamp

Details Mine roof channel clamp Mine roof channel clamp

1991-12-19

1993-06-29

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

248 72, 4051501, 4053021, E21D 1115

Patent

active

052228371

ABSTRACT:
A clamp for clamping attachment to a mine roof channel, which clamp has a pair of top portions and a pair of bottom portions for engaging the top and bottom, respectively, of the mine roof channel. A bolt, such as an eye-bolt, has a threaded portion extending between the top and bottom portions of the clamp forming a component part of the clamp. Such threaded portion, in one modification of the clamp, engages the bottom central portion of the mine roof channel. Loads such as wires, hoses etc. may be supported by the eye of eye-bolt so as to be adjustably positioned close to the sidewalls of the mine.

REFERENCES:
patent: 1797214 (1931-03-01), Mayer et al.
patent: 2398130 (1946-04-01), Beijl
patent: 2749068 (1956-06-01), Wayman
patent: 2854824 (1958-10-01), Curry et al.
patent: 4114846 (1978-09-01), Petersen

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