Importance

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Abstract

A folding tool bar implement converts from a transversely extending operating configuration to a longitudinally extending transport configuration. The implement includes a rotating rockshaft supported by a wheel assembly at each opposing end thereof. The wheel assembly is formed as a walking beam assembly having an L-shaped member defining perpendicular axes of movement for the wheel assembly. A castering axis is oriented vertically to permit a castering action of the wheel assembly when the rockshaft is rotated into a working configuration. The rotation of the rockshaft re-positions the castering axis to a horizontal orientation when rotated into a transport configuration. A caster lock moves by gravity to lock the wheel assembly from moving about the castering axis when the rockshaft is in the transport configuration. The caster lock includes a latch mounted to the wheel assembly and a pivoted latch tongue mounted on the L-shaped member.

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First Claim