Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
To prevent a foreign matter from being caught in a connection link.SOLUTION: Provided are a pair of links 6 in which the base ends are connected to each other via a support shaft 4 in the midway of the vertical direction of each leg 3 and the tip ends are connected to each other by a connecting pin 5. In each of a first link 6A and a second link 6B, a connecting piece portion R extending from a middle portion E to a tip portion and a supporting piece portion S from the middle portion E to a base end portion are integrally molded. The connecting piece portion R of the first link 6A and the connecting piece portion R of the second link 6B have a holding edge Ra that approaches and intersects each other so that the center line C of the first link 6A passing through the support shaft 4 from a connecting pin 5 and a center line C of the second link 6B passing through the support shaft 4 from the connecting pin 5 become a pinching angle Cθ of an acute angle when the leg is closed. A pinching edge Ra of the connecting piece portion R of the first link 6A and a pinching edge Ra of the connecting piece portion R of the second link 6B intersect each center line C so that a pinching angle Rθ of the pinching edge Ra becomes a substantially obtuse angle when the leg is closed.SELECTED DRAWING: Figure 1
【課題】 連結リンクにおける異物の挟み込みを防止できるようにする。【解決手段】 各脚体３の上下方向途中に基端部が支軸４を介して連結配置されかつ先端部が互いに連結ピン５で連結された一対のリンク６を備える。第１リンク６Ａと第２リンク６Ｂとはそれぞれ、中途部Ｅから先端部までの連結片部Ｒと中途部Ｅから基端部までの支持片部Ｓとを一体成形しており、第１リンク６Ａの連結片部Ｒと第２リンク６Ｂの連結片部Ｒとは、脚体閉脚時において、連結ピン５から支軸４を通る第１リンク６Ａの中心線Ｃと連結ピン５から支軸４を通る第２リンク６Ｂの中心線Ｃとが鋭角の挟角Ｃθになるように、互いに近づいて交差する挟持縁Ｒａを有しており、第１リンク６Ａの連結片部Ｒの挟持縁Ｒａと第２リンク６Ｂの連結片部Ｒの挟持縁Ｒａとは、脚体閉脚時において、挟持縁Ｒａの挟角Ｒθが略鈍角になるように、各中心線Ｃと交差している。【選択図】図１
To prevent a foreign matter from being caught in a connection link.SOLUTION: Provided are a pair of links 6 in which the base ends are connected to each other via a support shaft 4 in the midway of the vertical direction of each leg 3 and the tip ends are connected to each other by a connecting pin 5. In each of a first link 6A and a second link 6B, a connecting piece portion R extending from a middle portion E to a tip portion and a supporting piece portion S from the middle portion E to a base end portion are integrally molded. The connecting piece portion R of the first link 6A and the connecting piece portion R of the second link 6B have a holding edge Ra that approaches and intersects each other so that the center line C of the first link 6A passing through the support shaft 4 from a connecting pin 5 and a center line C of the second link 6B passing through the support shaft 4 from the connecting pin 5 become a pinching angle Cθ of an acute angle when the leg is closed. A pinching edge Ra of the connecting piece portion R of the first link 6A and a pinching edge Ra of the connecting piece portion R of the second link 6B intersect each center line C so that a pinching angle Rθ of the pinching edge Ra becomes a substantially obtuse angle when the leg is closed.SELECTED DRAWING: Figure 1
【課題】 連結リンクにおける異物の挟み込みを防止できるようにする。【解決手段】 各脚体３の上下方向途中に基端部が支軸４を介して連結配置されかつ先端部が互いに連結ピン５で連結された一対のリンク６を備える。第１リンク６Ａと第２リンク６Ｂとはそれぞれ、中途部Ｅから先端部までの連結片部Ｒと中途部Ｅから基端部までの支持片部Ｓとを一体成形しており、第１リンク６Ａの連結片部Ｒと第２リンク６Ｂの連結片部Ｒとは、脚体閉脚時において、連結ピン５から支軸４を通る第１リンク６Ａの中心線Ｃと連結ピン５から支軸４を通る第２リンク６Ｂの中心線Ｃとが鋭角の挟角Ｃθになるように、互いに近づいて交差する挟持縁Ｒａを有しており、第１リンク６Ａの連結片部Ｒの挟持縁Ｒａと第２リンク６Ｂの連結片部Ｒの挟持縁Ｒａとは、脚体閉脚時において、挟持縁Ｒａの挟角Ｒθが略鈍角になるように、各中心線Ｃと交差している。【選択図】図１
LEG BODY LOCKING DEVICE
脚体開き止め装置
NONOMURA HIDEKI (Autor:in)
12.11.2020
Patent
Elektronische Ressource
Japanisch
IPC:
E06C
LADDERS
,
Leitern
Handlebar locking mechanism, handlebar locking device, and moving body
| Europäisches Patentamt | 2020