Trenching apparatus and methods of forming inground retaining wa

Details Trenching apparatus and methods of forming inground retaining wa Trenching apparatus and methods of forming inground retaining wa

1991-07-01

1994-05-31

Taylor, Dennis L.

Excavating

Ditcher

Having endless digger

37357, 37355, 405267, E02F 508

Patent

active

RE0346209

ABSTRACT:
A trenching apparatus (10) is for excavating deep trenches in which inground concrete retaining or foundation walls may be formed. The trenching apparatus (10) has a crawler base (11) on which a carrier assembly (14) is pivotally supported by pivots (16) whereby it may be tilted by rams (17) to maintain the platform horizontal. An automatic control device (64) is provided for this purpose. The carrier assembly (14) has a pair of rails (18/19) along which a carriage (21) may move. The carriage (21) supports a sleeve (24) through which a trenching arm (25) may be lowered to excavate a trench section as the carriage (21) is driven along the rails (18/19).

REFERENCES:
patent: 2817911 (1957-12-01), Owen et al.
patent: 3032899 (1962-05-01), Brinson, Sr.
patent: 3425572 (1969-02-01), Brach
patent: 3659364 (1972-05-01), Wilson
patent: 3787989 (1974-01-01), Heckathorn
patent: 3951459 (1976-04-01), Honeycutt, Jr.
patent: 4236857 (1980-12-01), Willi

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