A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PROBLEM TO BE SOLVED: To provide a ditch cover capable of reducing the weight while securing sufficient strength, and capable of reducing the manufacturing cost.SOLUTION: A ditch cover includes a first rod-like member 20 having a first head 21 and a first leg 25 suspended from the first head 21, and a second rod-like member 30 having a second head 31 and a second leg 35 suspended from the second head 31 and having a height lower than that of the first leg 21, and a plurality of the first rod-like members 20 and the second rod-like members 30 are arranged in parallel, and a connection member 40 is inserted into through holes 28 and 38 of the legs 25 and 35 of the rod-like members 20 and 30 in a direction orthogonal to a direction of the parallel arrangement of the rod-like members 20 and 30 so that they are fixed in a grid pattern.
【課題】十分な強度を確保しながら軽量化を図るとともに、製造コストを低減させることが可能な溝蓋を提供する。【解決手段】第１頭部２１と前記第１頭部２１から垂設された第１脚部２５を有する第１棒状部材２０と、第２頭部３１と前記第２頭部３１から垂設され前記第１脚部２１よりも高さの低い第２脚部２５を有する第２棒状部材３０とを含み、前記第１棒状部材２０と第２棒状部材３０が複数本並列され、前記各棒状部材２０，３０の並列方向と直交する方向に前記各棒状部材２０，３０の各脚部２５，３５の貫通孔２８，３８に連結部材４０を貫通させて格子状に固定されてなる。【選択図】図１
PROBLEM TO BE SOLVED: To provide a ditch cover capable of reducing the weight while securing sufficient strength, and capable of reducing the manufacturing cost.SOLUTION: A ditch cover includes a first rod-like member 20 having a first head 21 and a first leg 25 suspended from the first head 21, and a second rod-like member 30 having a second head 31 and a second leg 35 suspended from the second head 31 and having a height lower than that of the first leg 21, and a plurality of the first rod-like members 20 and the second rod-like members 30 are arranged in parallel, and a connection member 40 is inserted into through holes 28 and 38 of the legs 25 and 35 of the rod-like members 20 and 30 in a direction orthogonal to a direction of the parallel arrangement of the rod-like members 20 and 30 so that they are fixed in a grid pattern.
【課題】十分な強度を確保しながら軽量化を図るとともに、製造コストを低減させることが可能な溝蓋を提供する。【解決手段】第１頭部２１と前記第１頭部２１から垂設された第１脚部２５を有する第１棒状部材２０と、第２頭部３１と前記第２頭部３１から垂設され前記第１脚部２１よりも高さの低い第２脚部２５を有する第２棒状部材３０とを含み、前記第１棒状部材２０と第２棒状部材３０が複数本並列され、前記各棒状部材２０，３０の並列方向と直交する方向に前記各棒状部材２０，３０の各脚部２５，３５の貫通孔２８，３８に連結部材４０を貫通させて格子状に固定されてなる。【選択図】図１
DITCH COVER
溝蓋
ISHIDA SHOZO (author)
2015-11-09
Patent
Electronic Resource
Japanese
IPC:
E03F
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