Single-bolt roof suspension for overhead track

Details Single-bolt roof suspension for overhead track Single-bolt roof suspension for overhead track

1979-12-20

1981-03-10

Purser, Ernest R.

Hydraulic and earth engineering

Earth treatment or control

Chemical

52 39, 52704, 104111, 248317, 248647, E01B 2524, E21D 2002

Patent

active

042550700

ABSTRACT:
An improved roof or ceiling fitting for a monorail system, particularly useful in low seam coal mines. Rail suspension assemblies are each secured in a single counterbored roof hole and are adjustable vertically and laterally for alignment. A bolt is anchored in a hole and supports a collar-end of a crank-shaped suspension unit within the counterbore. A suspension-pin end offset from the collar axis extends below the roof to support a cleat for attachment to a rail. A roof plate is threaded on the collar and bears against the roof.

REFERENCES:
patent: 538610 (1895-04-01), Hunt
patent: 3219199 (1965-11-01), Lagerstrom
patent: 3990665 (1976-11-01), Joussemet
patent: 4051683 (1976-06-01), Koval
patent: 4116134 (1978-09-01), Troth

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