Patent ID: 6843045

Claim:
A pickup reel for a harvesting machine, the harvesting machine including a frame having a front edge and a cutterbar extending along the front edge, said reel comprising: a reel support supported by the frame; a first shaft rotatably supported by the reel support and extending along an axis transverse to the frame; a cam supported by the reel support and defining a generally endless cam path extending about the first shaft, the cam having a first axial side and a second axial side; an arm extending radially from and being rotatable with the first shaft; a second shaft supported by the arm and radially spaced from the first shaft, the second shaft being rotatable relative to and rotatable with the arm; a first tine and a second tine supported by the second shaft for rotation with the second shaft, the first tine being located adjacent the first axial side of the cam, the second tine being located adjacent the second axial side of the cam, each of the tines having a tip, the tips being movable along a tip path during rotation of the first shaft; a cam follower engageable with the cam and movable along the cam path; and a crank arm assembly connected between the cam follower and the second shaft, wherein rotation of the first shall and movement of the cam follower along the cam path cooperate to cause the tips to move along the tip path; and wherein the crank arm assembly has a first crank arm pivotally connected between the cam follower and the arm, a second crank arm pivotally connected to the cam follower and extending from the cam follower, and a third crank arm pivotally connected between the second crank arm and the second shaft.