B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
214/46
B60P 1/00 (2006.01) B66F 9/18 (2006.01)
Patent
CA 1166998
Grapple System for Log Skidder Abstract Load skidding vehicles commonly include a grapple assembly which under load conditions can pivot rearwardly about its support point resulting in disproportionate loading of the rear wheels and consequently instability of the vehicle. A connecting member is pivotally attached between the grapple and a hydraulic cylinder which is attached to the skidder. Operation of the hydraulic cylinder causes the grapple to rotate about its support pivot. The hydraulic cylinder may be locked causing the grapple to be locked in relation to the boom assembly. During load hauling operations this mechanism is used to lock the load in a position near the vehicle resulting in increased stability. The mechanism is also of use in positioning the grapple assembly with respect to the load prior to grasping it.
379937
Meisel Thomas C. Jr.
York Lyle E.
Caterpillar Tractor Co.
Kirby Eades Gale Baker
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