Power take-off lever arrangement for a tractor

Details Power take-off lever arrangement for a tractor Power take-off lever arrangement for a tractor

G - Physics

05

G

142/20, 74/28

G05G 1/04 (2006.01) F16H 61/16 (2006.01) G05G 5/00 (2006.01)

Patent

CA 1180984

A POWER TAKE-OFF LEVER ARRANGEMENT FOR A TRACTOR Abstract of the Disclosure A power take-off lever arrangement for a tractor is disclosed which prevents the inadvertent shifting of the PTO lever to an engaged position. The lever arrangement includes a support plate secured to the tractor which has a pin extending outward from it which engages in a slot formed in the manually shiftable lever. Secured to the pin is an arcuate sector which has a recess formed in its arcuate surface. A roller, which is attached to the underside of the lever, will engage the recess when the lever is in a disengaged position and will ride on the arcuate surface when the lever is in an engaged position. The lever arrangement further includes a spring which is attached between the lever and the support plate to urge the roller into the recess when the lever is in the disengaged position. The spring also exerts a limited force on the lever when the lever is in the engaged position but the force is insufficient to affect either the stability of the lever in the engaged position or the movement of the lever to the disengaged position when the hydraulic pressure indirectly acting on a PTO control valve falls below a predetermined value.

408273

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