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1. 发明申请

US20150136523A1 TORSION PLATE FOR LADDER 审中-公开
标题翻译：梯子板
公开(公告)号：US20150136523A1
公开(公告)日：2015-05-21
申请号：US14082498
申请日：2013-11-18
申请人： Caterpillar Inc.
发明人： Robert J. Madera , Joshua C. Bedyk , Christopher P. Cherwin , John M. Teter
IPC分类号： E06C5/04 , E04G5/14
CPC分类号： E06C5/04 , B60R3/02
摘要： A ladder is provided. The ladder includes a frame having a first side wall and a second side wall. The first and second side walls are connected by a plurality of steps. The plurality of steps is provided in an axially spaced apart arrangement relative to each other. The ladder also includes an actuator coupled to the frame. The actuator is configured to provide a rotary movement to the frame for positioning the ladder in any one of a deployed position and a stowed position. The ladder further includes a torsion plate. The torsion plate is provided on the frame in cooperation with the actuator. The torsion plate is configured to transfer at least a portion of a torque associated with the rotary movement from the first side wall to the second side wall.
摘要翻译：提供梯子。梯子包括具有第一侧壁和第二侧壁的框架。第一和第二侧壁通过多个台阶连接。多个台阶相对于彼此以轴向间隔布置的方式设置。梯子还包括联接到框架的致动器。致动器构造成向框架提供旋转运动，用于将梯子定位在展开位置和收起位置中的任何一个中。梯子还包括扭板。扭矩板与致动器协同地设置在框架上。扭转板构造成将与旋转运动相关联的扭矩的至少一部分从第一侧壁转移到第二侧壁。

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