B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
294/19, 214/70
B66C 1/28 (2006.01) B66C 1/58 (2006.01)
Patent
CA 1077087
ABSTRACT OF THE DISCLOSURE A grapple skidder having an accumulator type grapple which includes two grapples disposed in close side-by-side relation on a frame and aligned for grasping the trunk of one or more trees. The frame has means thereon for freely suspending the same from a support associated with means for dragging trees grasped by the accumulator type grapple. A first one of the grapples on the frame consists of a pair of arms pivotally mounted on the frame and controllably moved by a power actuator connected thereto and the second one of the grapples is arranged to grasp and retain the trees in the jaws of the first grapple while the latter is opened to grasp further trees. The second grapple includes a pair of principal arm members pivotally attached adjacent one end thereof to the frame and each has a finger member pivotally attached to the other end thereof. The fingers are arranged to overlap one another in a jaw closed position and power means is provided comprising a hydraulic piston cylinder assembly interconnecting the principal arms and, by being connected directly to the principal arms, is swingable relative to the frame during effecting pivotal movement of the principal arms. Means is associated with the finger members and principal arms associated there- with biasing the finger members to a jaw open position against spring means limiting pivotal movement of the fingers relative to their respective principal arm. A tree engaging abutment means is located on the frame adjacent the grapples for abutting the trunks of the trees grasped by the same.
255743
Hamilton Douglas D.
Palfy Robert M.
Sneberk Slavoj M.r.
LandOfFree
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