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Telescopic mine roof-support

Abstract

A mining roof support which includes a main body consisting of a pair of telescopically associated elongated members and which slide relative to each other to extend the support, engaging one of the members. A locking plate which is movable into engagement with the member by means of a lever operated cam causes tilting of the plate to engage the member and then to raise the member and lock it in the raised position. 1 fig.
Authors:
Publication Date:
May 17, 1989
Product Type:
Patent
Report Number:
GB 2209549; A
Reference Number:
CLA-89-090380; EDB-89-120774
Resource Relation:
Other Information: AU 1398887
Subject:
01 COAL, LIGNITE, AND PEAT; SUPPORTS; DESIGN; MINE ROADWAYS; ROOFS; STRATA CONTROL; UNDERGROUND MINING; MECHANICAL STRUCTURES; MINING; TUNNELS; UNDERGROUND FACILITIES; 012031* - Coal, Lignite, & Peat- Underground Mining- Strata Mechanics & Control- (1987-)
OSTI ID:
5802211
Country of Origin:
United Kingdom
Language:
English
Availability:
The Patent Office, Sales Branch, St. Mary Cray, Orpington, Kent BR5 3RD.
Submitting Site:
CLA
Size:
Pages: 8
Announcement Date:

Citation Formats

Piscitelli, A. Telescopic mine roof-support. United Kingdom: N. p., 1989. Web.
Piscitelli, A. Telescopic mine roof-support. United Kingdom.
Piscitelli, A. 1989. "Telescopic mine roof-support." United Kingdom.
@misc{etde_5802211,
title = {Telescopic mine roof-support}
author = {Piscitelli, A}
abstractNote = {A mining roof support which includes a main body consisting of a pair of telescopically associated elongated members and which slide relative to each other to extend the support, engaging one of the members. A locking plate which is movable into engagement with the member by means of a lever operated cam causes tilting of the plate to engage the member and then to raise the member and lock it in the raised position. 1 fig.}
place = {United Kingdom}
year = {1989}
month = {May}
}