Patent ID: 7104339

Claim:
An agricultural seeding machine, comprising: a seed hopper; a first frame member carrying a drive shaft, and a second frame member carrying a driven shaft, said first frame member and said second frame member being foldable relative to each other between a folded position and an unfolded operational position; and a coupler, including: a first coupler half associated with said drive shaft; a second coupler half associated with said driven shaft, said second coupler half and said first coupler half being configured for automatic engagement and disengagement upon said movement between said folded position and said unfolded position respectively, said first coupler half being rotatable around a first axis and said second coupler half being rotatable around a second axis, said first coupler half including a plurality of hooks extending generally radially relative to said first axis, and said second coupler including a plurality of pins extending generally axially relative to said second axis; and a flexible shaft interconnecting one of said first coupler half and said second coupler half with a corresponding one of said drive shaft and said driven shaft.