Hydraulic mower attachment

Details Hydraulic mower attachment Hydraulic mower attachment

1974-06-27

1976-04-13

Chamblee, Hugh R.

Harvesters

Motorized harvester

With condition-responsive operation

56 107, 56 109, 56 152, 56 155, A01D 7518

Patent

active

039495396

ABSTRACT:
A mowing attachment for a tractor includes a horizontally and vertically swinging telescopic boom for positioning the cutter assembly. The horizontal swinging movement is controlled by a hydraulic circuit which includes a piston and cylinder unit and a pressure relief circuit for allowing relative movement between the piston and cylinder when the cutter strikes an obstruction.

REFERENCES:
patent: 2267284 (1941-12-01), Livers
patent: 2477669 (1949-08-01), Stephens
patent: 3087296 (1963-04-01), Cowles
patent: 3221482 (1965-12-01), Cowling
patent: 3236036 (1966-02-01), Bailey et al.
patent: 3319407 (1967-05-01), Jordan et al.
patent: 3378103 (1968-04-01), Zwight et al.
patent: 3462925 (1969-08-01), Lanier

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