Trench-digger implement carried by a laterally extending boom an

Details Trench-digger implement carried by a laterally extending boom an Trench-digger implement carried by a laterally extending boom an

1985-07-18

1987-07-28

Crowder, Clifford D.

Excavating

Ditcher

Wheel excavator

37DIG17, 172125, 172305, E02F 508

Patent

active

046824278

ABSTRACT:
A laterally-extending boom (1) is of a box-constructed type, and has two right angle drive gear units (19, 28) installed at either end, the first of which (19) in receipt of drive transmitted by a cardan shaft (17) from the tractor power take-off (18) which it relays through the boom via a transmission consisting of a first cardan shafts (22) and a second cardan shaft (23) and an intermediate shaft (21) journalled to the boom structure; the second cardan shaft (23) drives the second right angle gear unit, the output shaft of which drives a further cardan linkage providing the final connection to the gearbox of the trench digger (32).

REFERENCES:
patent: 2685751 (1954-08-01), Bain
patent: 2705379 (1955-04-01), Fruhling
patent: 2969601 (1961-01-01), McMaster
patent: 3028919 (1962-04-01), Smith et al.
patent: 3683522 (1972-08-01), Rousseau et al.
patent: 3704575 (1972-12-01), Daniel et al.

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