Trench shoring transport device

Details Trench shoring transport device Trench shoring transport device

1997-08-08

1999-08-03

Graysay, Tamara

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405273, E02D 1704

Patent

active

059316080

ABSTRACT:
An trench shoring transport device having a trench box depending from a frame, the frame including a pair of side frame subassemblies which are slideably and adjustably engaged to each other allowing the width of the frame and hence the width of the device's wheelbase to be widened or narrowed as required. The frame is supported by a number of wheel assemblies which allow the device to be rolled along the ground. A trench box or a series of trench boxes depend below the frame from a pair of hydraulic vertical support members. The device is configured to allow the trench box to be raised between the pair of side frame subassemblies and substantially above the elevation of the frame. In addition the trench shoring transport device may include a feature which allows a pair of trench boxes to be split during operations to allow for passage of an obstruction encountered during excavation to pass through the pair of trench boxes.

REFERENCES:
patent: 3404533 (1968-10-01), Brunton
patent: 3782125 (1974-01-01), Holl
patent: 3788086 (1974-01-01), West, Jr.
patent: 5306103 (1994-04-01), Spencer

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