Self-propelled trench box

Details Self-propelled trench box Self-propelled trench box

1993-01-12

1994-08-09

Reese, Randolph A.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405157, E02D 1708

Patent

active

053360230

ABSTRACT:
A self-propelled trench box includes a pair of side panel enclosures and respective drive tracks mounted within the enclosures. The drive tracks are powered by a compact hydraulic drive mechanism mounted within the trench box to move the trench box in either direction within the trench. A plurality of track path plows are mounted to each side panel enclosure to clear loose material from the paths of the drive tracks to facilitate movement of the trench box within the trench.

REFERENCES:
patent: 645752 (1900-03-01), Mackey
patent: 1306350 (1919-06-01), McIntire
patent: 1817367 (1931-08-01), Greiman
patent: 3235982 (1966-02-01), Krohn
patent: 3309799 (1967-03-01), Kinkade
patent: 3710583 (1973-01-01), Blackwell
patent: 3820345 (1974-06-01), Brecht
patent: 4058983 (1977-11-01), Griswold
patent: 4548528 (1985-10-01), Bell
patent: 4874271 (1989-10-01), Arnold
patent: 5123785 (1992-06-01), Orfei
patent: 5193938 (1993-03-01), Akesaka

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