PROBLEM TO BE SOLVED: To provide an agricultural material supply device configured such that the reciprocation operation of a drive unit is efficiently transmitted to both of first and second one-way clutches, and the drive shaft of a feeding unit is rotationally driven.SOLUTION: First and second linkage members 51, 52 are connected across a single drive unit 46 reciprocated in a predetermined range of A2 and arms 41a, 42a of first and second one-way clutches. By the forward operation of the drive unit 46, the first one-way clutch is rotationally driven in a predetermined direction B1, the second one-way clutch is rotationally driven in the direction opposite to the predetermined direction B1, and a drive shaft 37 is rotationally driven in the predetermined direction B1 by the first one-way clutch. By the backward operation of the drive unit 46, the first one-way clutch is rotationally driven in the direction opposite to the predetermined direction B1, the second one-way clutch is rotationally driven in the predetermined direction B1, and the drive shaft 37 is rotationally driven in the predetermined direction B1 by the second one-way clutch.COPYRIGHT: (C)2015,JPO&INPIT【課題】駆動部の往復作動が第1及び第2ワンウェイクラッチの両方に対して効率良く伝達されて、繰り出し部の駆動軸が回転駆動されるように構成する。【解決手段】所定範囲A2で往復作動する単一の駆動部46と、第1及び第2ワンウェイクラッチのアーム41a,42aとに亘って、第1及び第2連係部材51,52を接続する。駆動部46の往路作動により、第1ワンウェイクラッチが所定方向B1に回転駆動され、第2ワンウェイクラッチが所定方向B1とは逆方向に回転駆動されて、第1ワンウェイクラッチにより駆動軸37が所定方向B1に回転駆動される。駆動部46の復路作動により、第1ワンウェイクラッチが所定方向B1とは逆方向に回転駆動され、第2ワンウェイクラッチが所定方向B1に回転駆動されて、第2ワンウェイクラッチにより駆動軸37が所定方向B1に回転駆動される。【選択図】図13
