F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
100/11, 64/3
F16D 3/00 (2006.01) A01B 71/06 (2006.01) A01D 69/00 (2006.01) B60D 1/62 (2006.01) F16C 11/04 (2006.01)
Patent
CA 1040877
S P E C I F I C A T I O N TONGUE-MOUNTED YIELDABLE PTO DRIVELINE SUPPORT ABSTRACT OF THE DISCLOSURE In a draft implement having an input power driveline and a tongue adapted to be articulately connected to a tractor, an arm is pivotally mounted on the tongue and supports the driveline rearwardly of a forward telescoping assembly of the driveline which includes forward and rear universal joints. Centering tension springs extending along the tongue and interconnecting the pivotal arm and the tongue maintain the arm in a centered position in which the rear universal joint is positioned the same distance rearwardly of the tractor/implement articulate connection point as that at which the forward universal joint is positioned forwardly of the connection point. The springs will yield to allow the arm to pivot laterally to either side of the tongue to accommodate bottoming out of the telescoping assembly during sharp turns of the tractor relative to the implement. Once the tractor is re-articulated out of the sharp turn relative to the implement, the springs return the arm to its centered position.
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