Trench shoring apparatus

Details Trench shoring apparatus Trench shoring apparatus

1992-03-12

1993-03-23

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

52155, 405272, E02D 1700

Patent

active

051958490

ABSTRACT:
A trench shoring apparatus braces the substantially vertical walls of an earthen excavation. Telescoping wall support legs permit the apparatus to be easily adjusted for use in trenches of various depths. Horizontal wall support arms joined to the wall support legs retain and stabilize trench wall soils and provide a mechanism for mounting additional soil retaining components. Flexible anchor support arms transfer the load produced by the shifting trench walls to a location remote from the trench. The trench shoring apparatus, additionally, may be partially folded and disassembled for ease in transportation and storage.

REFERENCES:
patent: 443622 (1890-12-01), Amos
patent: 991981 (1911-05-01), Havard
patent: 1935704 (1933-11-01), Fields et al.
patent: 2482367 (1949-09-01), Ravers
patent: 3470699 (1969-10-01), Cox
patent: 3910053 (1975-10-01), Krings
patent: 4487530 (1984-12-01), Morrice
patent: 4993880 (1991-02-01), Collins
patent: 5080533 (1992-01-01), Cooper

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