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11. 发明授权

US06899342B2 Manually tightened chuck 失效
标题翻译：手动拧紧卡盘
公开(公告)号：US06899342B2
公开(公告)日：2005-05-31
申请号：US10309555
申请日：2002-12-03
申请人： Wenhua Zhou
发明人： Wenhua Zhou
IPC分类号： B23B31/12 , B23B31/10
CPC分类号： B23B31/1238 , B23B2231/38 , Y10S279/902 , Y10T279/17632
摘要： An improved manually tightened chuck, having a hollow chuck body member, provided with three inclined bores along periphery with same interval in chuck body member. A jaw is installed in each inclined bore slidably. A nut is sheathed in the middle of chuck body member, and the nut is interconnected with each jaw through threads. A front sleeve is provided at the front end of the chuck body member, and a rear sleeve is provided at the rear end. The nut is of duplex-half type structure, on its peripheral surface a nut sleeve is sheathed, between the nut sleeve and the nut is of stationary fit, between the front sleeve and the nut sleeve a torque transmission structure is provided, the front end of rear sleeve and the rear end of front sleeve is provided with inter fitted chucking hook, by means of the chucking hook the rear sleeve and the front sleeve are connected with each other. The installation of both front and rear sleeves of the chuck is more convenient, and both front and rear sleeve are more stable after installation, during operation of the chuck no radial swing of both front and rear sleeves is created.
摘要翻译：一种改进的手动紧固卡盘，具有中空卡盘主体部件，沿着周边具有相同间隔的卡盘主体部件中的三个倾斜孔。每个倾斜孔可滑动地安装一个钳口。螺母被夹在卡盘本体构件的中间，并且螺母通过螺纹与每个夹爪相互连接。前套筒设置在卡盘主体部件的前端，后套筒设置在后端。螺母是双相半型结构，其外表面上有一个螺母套管，螺母套筒和螺母之间固定配合，在前套筒和螺母套筒之间设有一个转矩传递结构，前端后套筒和前套筒的后端设置有配合夹紧钩，借助于夹紧钩，后套筒和前套筒彼此连接。卡盘的前后套筒的安装更为方便，安装后的前套筒和后套筒都更加稳定，在卡盘的操作过程中不产生前袖和后袖的径向摆动。

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