Brush cutter work head with pivotable shroud

Details Brush cutter work head with pivotable shroud Brush cutter work head with pivotable shroud

1994-02-03

1995-04-25

Suchfield, George A.

Harvesters

Motorized harvester

Including motorized vehicle causing transit of harvester

56 174, 56237, 144 3D, 144 34R, A01G 2308, A01D 3482

Patent

active

054088143

ABSTRACT:
A work head (20) has a main housing (28) pivotably mountable on a boom (14) of a brush cutting machine. A cutter wheel (64) is rotatably mounted on the housing (28) to rotate about a vertical axis (X). A shroud (38) is pivotably mounted on the housing (28) to pivot about the same axis (X). The shroud (38) substantially surrounds the cutter wheel (64). The inner race (76) of an annular bearing (74) is secured to a bottom wall (36) of the housing (28). The outer race (80) of the bearing (74) is secured to the top wall (40) of the shroud (38). A hydraulic motor (88) mounted on the housing (28) carries a pinion gear (92) that engages teeth (84) on the outer race (80) to pivot the shroud (38). A fixed gripper jaw (46) depends downwardly from the housing (28) adjacent to the shroud (38). An upper jaw (50) is pivotably mounted on the housing (28) to cooperate with the fixed jaw (46) to grip cut brush and other debris.

REFERENCES:
patent: 2741282 (1956-04-01), Wieting
patent: 3818957 (1974-06-01), Schoonover
patent: 3969856 (1976-07-01), Zerrer
patent: 4446897 (1984-05-01), Kurelek
patent: 4565486 (1986-01-01), Crawford et al.
patent: 4769977 (1988-09-01), Milbourn
patent: 4802327 (1989-02-01), Roberts
patent: 4901508 (1990-02-01), Whatley
patent: 4921024 (1990-05-01), Wiemeri et al.
patent: 5042727 (1991-08-01), Plante
patent: 5103882 (1992-04-01), Milbourn
patent: 5113919 (1992-05-01), MacLennan
patent: 5201350 (1993-04-01), Milbourn
patent: 5329752 (1994-07-01), Milbourn

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