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1. 发明授权

US06331758B1 Electric hand with cushioning mechanism 有权
标题翻译：电动手缓冲机构
公开(公告)号：US06331758B1
公开(公告)日：2001-12-18
申请号：US09655453
申请日：2000-09-05
申请人： Seiji Takanashi , Hiroshi Miyachi , Koichiro Kanda
发明人： Seiji Takanashi , Hiroshi Miyachi , Koichiro Kanda
IPC分类号： H05B1101
CPC分类号： B25J15/028
摘要： An inertial force applied to a motor drive shaft when jaw members stop at opening and closing ends, grasping positions of a workpiece, and the like is absorbed and damage to motor parts such as gears due to impact is prevented. For this purpose, in an electric hand in which a pair of cam grooves 15, 15 are provided to a cam member 12 mounted to the drive shaft 3a of an electric motor 3, drive pins 13 fitted into the cam grooves 15, 15 are respectively provided to the pair of jaw members 2, 2 for grasping the workpiece, and a reciprocating rotating motion of the drive shaft 3a is converted to opening/closing motions of the jaw members 2, 2 by the cam member 12 and the drive pins 13, an inner cylinder member 18 mounted to the drive shaft 3a and an outer cylinder member 19 provided to the cam member 12 and fitted with the inner cylinder member 18 such that the outer cylinder member 19 can rotate with respect to the inner cylinder member 18 are connected through a plurality of elastic bodies 20 and impact that acts on the drive shaft 3a when the cam member 12 stops at swinging ends is absorbed by elastic deformation of the elastic bodies 20.
摘要翻译：当钳口构件在打开和关闭端停止时，施加到电动机驱动轴的惯性力被吸收，并且防止由于冲击而导致的诸如齿轮的电动机部件的损坏。为此，在安装在电动机3的驱动轴3a上的凸轮部件12上设置有一对凸轮槽15,15的电手中，分别装配在凸轮槽15,15内的驱动销13 提供给用于抓握工件的一对夹爪构件2,2，并且驱动轴3a的往复旋转运动由凸轮构件12和驱动销13转换成夹爪构件2,2的打开/关闭运动，安装在驱动轴3a上的内筒构件18和设置在凸轮构件12上并与内筒构件18嵌合的外筒构件19，使得外筒构件19能够相对于内筒构件18旋转通过多个弹性体20和当凸轮部件12在摆动端部停止时作用在驱动轴3a上的冲击被弹性体20的弹性变形吸收。

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