Movable consolidating trestle for securing the excavating edge

Details Movable consolidating trestle for securing the excavating edge Movable consolidating trestle for securing the excavating edge

1987-06-30

1989-03-14

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405291, E21D 1544

Patent

active

048120812

ABSTRACT:
The movable consolidating trestle (2) has driven caterpillars (1). The consolidating trestle comprises a cap (3) being supported on the frame (11) via props (5). The cap (3) has at least one front-side section which is bent, rounded or bendable in direction to the frame. A bent section (8) includes with the plane of the cap (3) an angle (.alpha.) which is greater than the maximum angle (.beta.) of inclination with which the cap can be obliquely adjusted relative to the frame (11). When giving the cap (3) an inclined position, there results a horizontal component of the load-exerting force (14), said horizontal component facilitating saving of the consolidating trestle.

REFERENCES:
patent: 3570255 (1971-03-01), Shuttleworth
patent: 3618325 (1971-11-01), Kuhn et al.
patent: 3672174 (1972-06-01), Von Hippel
patent: 4045087 (1977-08-01), Peake
patent: 4065929 (1978-01-01), Simpson
patent: 4266892 (1981-05-01), Maykemper
patent: 4474510 (1984-10-01), Bull

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