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Invention Application
US20120151714A1 Hold-open device for holding a roll-up door in an overhead out-of-the-way position 审中-公开
保持开启装置，用于将卷起门保持在架空不通的位置

Hold-open device for holding a roll-up door in an overhead out-of-the-way position
Abstract:
The present invention provides an improved hold-open device (50) for holding a roll-up door (55, 56) in an overhead out-of-the-way position in a body, the door being mounted for movement within a track (51) having a vertical portion (52), an arcuate portion (53) and a horizontal portion (54). The improved device broadly includes: a plate (62) mounted on one of the track and cargo body; an arm (63) pivotally mounted on the plate; a striker (64) mounted on the door, the striker having an inclined surface (79) and an abutment surface (80); a stop (70) mounted on the arm, the stop having an edge (87) adapted to selectively engage the striker surfaces; and at least one spring (25) urging the arm to move such that the edge will engage one of the striker surfaces.
Abstract(Chinese):

本发明提供了一种改进的保持开启装置（50），用于将卷起门（55,56）保持在体内的架空不通的位置，所述门被安装用于在轨道内移动（ 51）具有垂直部分（52），弓形部分（53）和水平部分（54）。 改进的装置广泛地包括：安装在轨道和货物主体之一上的板（62）; 枢转地安装在所述板上的臂（63） 安装在门上的撞针（64），所述撞针具有倾斜表面（79）和邻接表面（80）; 安装在所述臂上的止动件（70），所述止动件具有适于选择性地接合所述撞针表面的边缘（87）; 以及至少一个弹簧（25），其推动所述臂移动，使得所述边缘将接合所述撞针表面中的一个。

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