Travelling bracket

Details Travelling bracket Travelling bracket

1982-10-08

1984-12-11

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

299 43, 405290, E21D 2300

Patent

active

044875312

ABSTRACT:
A trough-shaped travelling bracket of a retracting and guiding arrangement of a mine roof support has fixing elements at its mine-face end for releasably coupling with an abutment, wherein the fixing elements are exchangeable, but fixedly connectable with a web of the travelling bracket.

REFERENCES:
patent: 4045089 (1977-08-01), Hauschopp et al.
patent: 4048804 (1977-09-01), Elsner et al.
patent: 4266891 (1981-05-01), Plevak et al.
patent: 4313698 (1982-02-01), Maykemper et al.
patent: 4327946 (1982-05-01), Kirchbrucher et al.
patent: 4352602 (1982-10-01), Plaga

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