Folding tillage tool chain lifter

Details Folding tillage tool chain lifter Folding tillage tool chain lifter

A - Human Necessities

01

B

97/124

A01B 35/06 (2006.01) A01B 73/02 (2006.01)

Patent

CA 1036862

Abstract An improved chain lifter for foldable soil condi- tioner apparatus of the general type characterized by an elon- gated, foldable wing frame for soil conditioning members which is liftable from the ground by means of a lifting tower on the main frame, and is stabilized by reinforcing chains which extend rearwardly and outwardly from the main frame to the outer ends of the wing frame. Arm members which lift the chains have one end pivotally attached to the main frame whereas the other ends of the members are secured to the rein- forcing chains intermediate to the ends thereof. Resilient biasing links interconnect the arm members with the upright lever of the lifting tower. Accordingly, the arms are pivoted upwardly and forwardly by means of the resilient biasing links when the wing frame is folded to a transport position, hence lifting the slackened reinforcing chains off the ground.

245422

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