PROBLEM TO BE SOLVED: To provide an agricultural horticultural tunnel support column having a function of folding a covering material and preventing the covering material from drooping down.SOLUTION: There is provided a tunnel support column body 1 comprising a beam portion 2 including a left column pivot bearing on the left, a right column pivot bearing on the right, and a drooping stopper rod hole 9, in which the left column pivot bearing of the beam portion 2 has a left column pivot shaft which is inserted from the front side thereof, fitted with a washer, and fastened by an R split pin so that a left column 10 can be slidably maintained the right column pivot bearing has a right column pivot shaft which is inserted from the rear side thereof, fitted with a washer, and fastened by an R split pin so that a right column 11 can be slidably maintained the left and right columns 10 and 11 have a tunnel form determining semi-spherical projection each tunnel form determination can be performed by sliding regulation of the tunnel form determining projections provided on the left side of the beam portion 2 and around the right column pivot bearing and a drooping stopper rod is inserted and assembled into the drooping stopper rod insertion hole 9 disposed in a center portion of the beam portion 2 so as to maintain the upright position, prevent drooping down, and make it foldable.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】被覆材の垂下防止と折畳み機能を有した、農業園芸用トンネル支柱を提供する。【解決手段】桁部2に左柱枢着軸受、右に右柱枢着軸受を有し、垂下止棒孔9を設ける、前記桁部2の左柱枢着軸受に左柱枢着軸を正面側より挿入、ワッシャーを嵌合しR割ピンで留めて左柱10を摺動保持できるように枢着する、また右柱枢着軸受に右柱枢着軸を裏面側より挿入しワッシャーを嵌合、R割ピンで留めて右柱11を摺動保持できるように枢着する。左右の柱10、11にはトンネル形決め半円球状突起を有し、桁部2の側面左、右柱枢着軸受周囲に設けたトンネル形決め突起受との摺動規制によって各トンネル形決めがおこなえる。桁部2中央部に設けた垂下止棒挿通孔9に垂下止棒を挿通し組立てることで直立維持と被覆材の垂下防止並びに折畳み可能とする特徴を有したトンネル支柱本体1。【選択図】図1
