Woodworking – Special-work machine – Tree felling
Patent
1992-10-08
1994-03-08
Bray, W. Donald
Woodworking
Special-work machine
Tree felling
83928, 144 3D, 144336, A01G 2308
Patent
active
052919269
ABSTRACT:
A cutting and/or sawing unit for timber handling purposes and adapted to be mounted on the free end of a working arm or jib of an off-road vehicle. The unit includes a saw (4) rotatably mounted on a motor stand (1) and knives (6) which project out from a hub part (5) of the saw. The knives are intended to coact with a toothed device (7) on the motor stand (1), to obtain a cutting action in addition to a sawing action. Mounted on the upper side or top plate (11) of the motor stand is a gripping device (2). The motor stand (1) is pivotally suspended on a preferably horizontal shaft (13) journalled in a suspension link (14). This arrangement enables the saw (4) or the griping device (2) to be brought to a working position relative to the surface of the ground, by rotating the motor stand (1).
REFERENCES:
patent: 3490350 (1970-03-01), Maradyn
patent: 3542099 (1970-11-01), Gibson
patent: 4009936 (1989-01-01), Pomies et al.
patent: 4083463 (1978-04-01), Ericsson
patent: 4412777 (1983-11-01), Forslund
patent: 4552191 (1985-11-01), Kuusilinna
patent: 4881582 (1909-11-01), Ketonen
patent: 5082036 (1992-01-01), Vierikko
patent: 5101872 (1992-04-01), Scheuren
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