Attachment for tractor

Details Attachment for tractor Attachment for tractor

1989-09-14

1990-08-07

Taylor, Dennis L.

Excavating

Railway graders

Side former

371175, 37118R, 37141R, 37DIG12, 414723, E02F 372

Patent

active

049456628

ABSTRACT:
An improved attachment for a tractor of the type having, in addition to a main hydraulic piston, an auxiliary hydraulic piston typically used in urging the scoop thereof in a pivotal traverse for "dumping" the contents of the scoop, in which the scoop is replaced with an inverted U-shaped bucket and the "dumping" pivotal traverse is used to advantage to achieve a backhoeing stroke, which stroke heretofore was only possible using a specially designed backhoeing attachment with multiple linkages and the like.

REFERENCES:
patent: 3963131 (1976-06-01), Dimmer
patent: 4117944 (1978-10-01), Beckstrom et al.
patent: 4136792 (1979-01-01), Wilson
patent: 4279566 (1981-07-01), Sagaser et al.
patent: 4355946 (1982-10-01), Wykhuis et al.
patent: 4476641 (1984-10-01), Ballinger
patent: 4545721 (1985-10-01), Pettersson
patent: 4749048 (1988-06-01), Kelly
patent: 4812103 (1989-03-01), Cochran et al.

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