Boom assembly and platform for tracked feller buncher machine

Details Boom assembly and platform for tracked feller buncher machine Boom assembly and platform for tracked feller buncher machine

1999-03-12

2000-07-11

Bray, W. Donald

Woodworking

Special-work machine

Combined

144 2413, 144336, 180 41, 180 8914, 180 91, 414486, H01G 2308

Patent

active

060858117

ABSTRACT:
A timber harvesting machine including a chassis supported by endless tracks. A platform is mounted on the chassis. A platform is rotatable on the turntable in an annular bearing race on the turntable. A boom is mounted on the platform and includes a main boom mounting pin which is pivoted on one side of the axis of rotation of the platform. A boom actuating cylinder has a mounting pin which is mounted on the other side of the axis of rotation and directly over the annular bearing race regardless of the rotational position of said platform relative to said turntable.

REFERENCES:
patent: 4046179 (1977-09-01), Crawford
patent: 4326571 (1982-04-01), Crawford
patent: 4540032 (1985-09-01), Pelletier et al.
patent: 4565486 (1986-01-01), Crawford et al.
patent: 4583908 (1986-04-01), Crawford
patent: 4763742 (1988-08-01), Langford
patent: 4823852 (1989-04-01), Langford
Excerpt of drawing of "Selma/Grove MZ46 & MZ40 1977".
Excerpt of drawing of "MZ40 1977 Selma/Grove".
Excerpt of drawing of "Grove Industrial Z4 1975" (Lift Cylinder Installation-Drawing No. L-2-144-2-00025).

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