Apparatus for high-speed trench digging beside highways

Details Apparatus for high-speed trench digging beside highways Apparatus for high-speed trench digging beside highways

1977-02-04

1978-06-20

Crowder, Clifford D.

Excavating

Ditcher

Wheel excavator

E02F 506

Patent

active

040953580

ABSTRACT:
A structure for a high-speed chain trencher permitting entrapment of trenched soil and conveyance thereof to a lateral position away from the trench leaving a clean trench so that drainage tubing and compacted sand fill may be installed in the trench free of loose soil and without the necessity of additional trench preparation after passage of the trenching machine. The conditions of usage of the present invention are particularly useful in installing drainage beside highways for enhancing pavement life.

REFERENCES:
patent: 673920 (1901-05-01), McKee
patent: 939731 (1909-11-01), Miller
patent: 1073227 (1913-09-01), Funk
patent: 1237260 (1917-08-01), Bentson
patent: 1237310 (1917-08-01), Dobson
patent: 1689981 (1928-10-01), Vaughn
patent: 1767017 (1930-06-01), Scheckler
patent: 2231983 (1941-02-01), Zuckerman
patent: 2669792 (1954-02-01), Hein
patent: 2710466 (1955-06-01), Chartier
patent: 2750687 (1956-06-01), Banister
patent: 2859544 (1958-11-01), Evans
patent: 3011278 (1961-12-01), Lust
patent: 3130506 (1964-04-01), Laster
patent: 3201948 (1965-08-01), Schramm
patent: 3209473 (1965-10-01), Davis

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