A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CENTERING TOOL
PROBLEM TO BE SOLVED: To provide a centering tool capable of aligning a central axis of a hollow part having a circular opening with a central axis of a cylindrical member.SOLUTION: A centering tool includes: a first arm 11 and a second arm 12 of an equal length that swing within a respective prescribed angular range; a first joint 15 linking the first arm 11 with the second arm 12 swingably and provided with a center of swing; a pair of outside engaging bodies 21A, 21B with an interval therebetween changing along with a swinging motion of the first arm 11 and the second arm 12, the pair of outside engaging bodies being provided at positions in point symmetry with regard to the center of swing; and a pair of inside engaging bodies 23A, 23B provided on an inner side closer to the center of swing than the pair of outside engaging bodies 21A, 21B, the inside engaging bodies having an interval therebetween that changes along with or without regard to the changing interval between the outside engaging bodies 21A, 21B and provided at positions in point symmetry with regard to the center of swing.SELECTED DRAWING: Figure 1
【課題】開口形状が円形をなす中空部分の中心軸と円筒状部材の中心軸とを一致させることのできる芯出治具を提供する。【解決手段】互いに所定角度の範囲で揺動運動する、長さの等しい第一アーム１１及び第二アーム１２と、第一アーム１１及び第二アーム１２を揺動可能に連結し、揺動中心が設けられる第一ジョイント１５と、第一アーム及１１び第二アーム１２の揺動運動に従ってその間隔が広狭し、揺動中心に対して点対称の位置に設けられる一対の外側係止体２１Ａ、２１Ｂと、一対の外側係止体２１Ａ、２１Ｂよりも揺動中心のある内側に設けられ、外側係止体２１Ａ、２１Ｂの広狭に従うか又は従わずにその間隔が広狭し、揺動中心に対して点対称の位置に設けられる一対の内側係止体２３Ａ、２３Ｂと、を備えることを特徴とする。【選択図】図１
CENTERING TOOL
PROBLEM TO BE SOLVED: To provide a centering tool capable of aligning a central axis of a hollow part having a circular opening with a central axis of a cylindrical member.SOLUTION: A centering tool includes: a first arm 11 and a second arm 12 of an equal length that swing within a respective prescribed angular range; a first joint 15 linking the first arm 11 with the second arm 12 swingably and provided with a center of swing; a pair of outside engaging bodies 21A, 21B with an interval therebetween changing along with a swinging motion of the first arm 11 and the second arm 12, the pair of outside engaging bodies being provided at positions in point symmetry with regard to the center of swing; and a pair of inside engaging bodies 23A, 23B provided on an inner side closer to the center of swing than the pair of outside engaging bodies 21A, 21B, the inside engaging bodies having an interval therebetween that changes along with or without regard to the changing interval between the outside engaging bodies 21A, 21B and provided at positions in point symmetry with regard to the center of swing.SELECTED DRAWING: Figure 1
【課題】開口形状が円形をなす中空部分の中心軸と円筒状部材の中心軸とを一致させることのできる芯出治具を提供する。【解決手段】互いに所定角度の範囲で揺動運動する、長さの等しい第一アーム１１及び第二アーム１２と、第一アーム１１及び第二アーム１２を揺動可能に連結し、揺動中心が設けられる第一ジョイント１５と、第一アーム及１１び第二アーム１２の揺動運動に従ってその間隔が広狭し、揺動中心に対して点対称の位置に設けられる一対の外側係止体２１Ａ、２１Ｂと、一対の外側係止体２１Ａ、２１Ｂよりも揺動中心のある内側に設けられ、外側係止体２１Ａ、２１Ｂの広狭に従うか又は従わずにその間隔が広狭し、揺動中心に対して点対称の位置に設けられる一対の内側係止体２３Ａ、２３Ｂと、を備えることを特徴とする。【選択図】図１
CENTERING TOOL
芯出治具
TAKENO KAZUMA (author) / TAMAOKI HITOSHI (author) / ICHINOSE TOMOKI (author) / ARASHI TAKAAKI (author) / MORITA MASATSUGU (author)
2017-12-14
Patent
Electronic Resource
Japanese
IPC:
E04G
SCAFFOLDING
,
Baugerüste
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