B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
214/46
B66C 1/62 (2006.01) B66C 1/58 (2006.01) B66C 13/18 (2006.01)
Patent
CA 1188656
Load Skidding Vehicle Having A Positionally Biased Grapple Abstract load skidding vehicle utilizing a grapple assembly for grasping loads. The grapple assembly is pivotally connected to a boom which extends rearwardly from and is connected to a chassis. The grapple assembly is pivotable relative to the boom by a hydraulic cylinder connected to the grapple assembly and chassis, Displacement of the hydraulic cylinder provides pivoting of the grapple assembly to an optimum load skidding position. Means are provided for maintaining the optimum skidding position for the grapple assembly with a biasing force during skidding by permitting the grapple assembly to pivot away from the initial skidding position when a predetermined skidding force is encountered. When the skidding force falls below the biasing force magnitude, the grapple assembly is again pivoted toward the initially set skidding position.
404377
Meisel Thomas C. Jr.
Price Robert J.
Caterpillar Tractor Co.
Kirby Eades Gale Baker
LandOfFree
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