Mechanized scaling bar

Details Mechanized scaling bar Mechanized scaling bar

1994-02-23

1995-04-25

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Percussive-type cutter

173 90, 299 94, E21C 304, E21C 3726

Patent

active

054093007

ABSTRACT:
A portable mechanized scaling bar for the dislodging of unstable rocks in the galleries of subterranean mines provided with a telescopic handle of one (1) to two (2) meters in length terminated by a periodic displacement hitting piston, and a scaling tool adapted to the handle and comprising an anvil with a first longitudinal axis in line with the handle and having a penetrating portion including a point with a circular section, an angular stem with a convex back and concave face, an S-shape connecting the stem with an elongated anvil wherein when the point is displaced axially between rocks a lever is formed for dislodging the rocks. This tool generates a lever effect while penetrating between unstable rocks and rapidly dislodges them while minimizing efforts by the operator.

REFERENCES:
patent: 1858518 (1932-05-01), Newbaker
patent: 2359213 (1944-09-01), Gardner
patent: 3036482 (1962-05-01), Kenworthy et al.
patent: 3619009 (1971-09-01), O'Leary
patent: 4871214 (1989-10-01), Pradelle
patent: 5180210 (1993-01-01), Lister

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