Shoring shield

Details Shoring shield Shoring shield

1990-09-28

1992-03-17

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405272, 405282, E02D 1704

Patent

active

050963341

ABSTRACT:
The present invention comprises a lightweight, portable, adjustable, reusable, preassembled, hydraulic expandable shoring shield for providing safety to personnel working in below-grade excavations. The Shoring shield comprises specially designed solid aluminum extruded sheeting sections forming the walls, each mounted with a top cap and lower skid, the walls are provided with a static expandable telescoping structural framework for holding the walls opposed, and also are provided with hydraulic cylinders for expanding the space enclosed between the walls, the framework and cylinders thus cooperate in combination with an armored manifold for routing fluid to the cylinders.

REFERENCES:
patent: 2922283 (1960-01-01), Porter
patent: 3204415 (1965-09-01), Hill et al.
patent: 3766740 (1973-10-01), Teegen
patent: 3791151 (1974-02-01), Plank
patent: 4376599 (1983-03-01), Krings
patent: 4682914 (1987-07-01), Aihara et al.
patent: 4787781 (1988-11-01), Bradberry

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