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1. 发明授权

US5997010A Collet for a machine-tool chuck 失效
标题翻译：夹头用于机床卡盘
公开(公告)号：US5997010A
公开(公告)日：1999-12-07
申请号：US186132
申请日：1998-11-04
申请人： Don R. Lloyd
发明人： Don R. Lloyd
IPC分类号： B23B31/20 , B23B31/40
CPC分类号： B23B31/4013 , B23B31/202 , B23B2231/2097 , Y10T279/1008 , Y10T279/1266 , Y10T279/17444 , Y10T279/17478 , Y10T279/17521 , Y10T279/17555 , Y10T279/3493
摘要： A collet is provided to grip a workpiece with a uniformly distributed gripping force. The collet includes a plurlity of circumferentally spaced-apart radial slots extending partly through the collet and at least one opening extending radially all the way through the collet and lying between the end surfaces of the collet. Shim slots are formed in the end surfaces and a shim is mounted in the two shim slots to extend across the opening to block debris from moving therethrough. Coil springs are provided to bias a pair of collet segments to engage an actuator member of a machine-tool chuck. Methods of making the collet are also disclosed.
摘要翻译：提供夹头以以均匀分布的夹紧力夹紧工件。夹头包括多个间隔开的间隔开的径向槽，其部分地延伸穿过夹头，并且至少一个开口径向延伸穿过夹头并且位于夹头的端面之间。垫片槽形成在端面上，并且垫片安装在两个垫片槽中以延伸穿过开口以阻止碎屑从其中移动。提供线圈弹簧以偏置一对夹头段以接合机床卡盘的致动器构件。还公开了制作夹头的方法。

2. 发明授权

US5613692A Collet 失效
标题翻译：夹头
公开(公告)号：US5613692A
公开(公告)日：1997-03-25
申请号：US519484
申请日：1995-08-25
申请人： Don R. Lloyd
发明人： Don R. Lloyd
IPC分类号： B23B31/20 , B23B31/40
CPC分类号： B23B31/207 , B23B31/202 , B23B31/204 , B23B31/4013 , B23B31/402 , B23B31/4033 , B23B2231/2097 , B23B2270/16 , Y10T279/1008 , Y10T279/1045 , Y10T279/1087 , Y10T279/1266 , Y10T279/17444 , Y10T279/17478 , Y10T279/17589
摘要： A circular flexible collet that provides a 360 degree gripping engagement with a cylindrical workpiece and which is operable by an actuator member incorporated in a workpiece chuck. The collet may be constructed as an internal collet for gripping engagement with a workpiece internal periphery, or as an external collet for gripping engagement with a workpiece external periphery. The flexible collet may be used for single, or plural workpiece gripping actions. The collet includes a spring steel body having a radial opening and an outer and an inner circular periphery. One circular periphery is a workpiece gripping surface, and the other circular periphery has a tapered cam surface engageable by a workpiece chuck actuator member. The tapered cam surface has a plurality of circumferentially spaced apart slots having an open outer end. In an internal collet the tapered cam surface is formed around the collet body inner periphery. In an external collet the tapered cam surface is formed around the collet body outer periphery.
摘要翻译：圆形柔性夹头，其提供与圆柱形工件360度夹紧接合，并且可由并入工件夹头中的致动器构件操作。夹头可以构造成用于夹持与工件内部周边接合的内部夹头，或者作为用于与工件外周夹持接合的外部夹头。柔性夹头可用于单个或多个工件夹持动作。夹头包括具有径向开口和外圆周和内圆周的弹簧钢体。一个圆周是工件夹持表面，另一个圆周具有可由工件卡盘致动器构件接合的锥形凸轮表面。锥形凸轮表面具有多个周向间隔开的狭槽，其具有敞开的外端。在内部夹头中，锥形凸轮表面围绕夹头本体内周形成。在外部夹头中，锥形凸轮表面围绕夹头本体外周形成。

3. 再颁专利

USRE37397E1 Collet 失效
标题翻译：夹头
公开(公告)号：USRE37397E1
公开(公告)日：2001-10-02
申请号：US09276837
申请日：1999-03-25
申请人： Don R. Lloyd
发明人： Don R. Lloyd
IPC分类号： B23B3120
CPC分类号： B23B31/207 , B23B31/202 , B23B31/204 , B23B31/4013 , B23B31/402 , B23B31/4033 , B23B2231/2097 , B23B2270/16 , Y10T279/1008 , Y10T279/1045 , Y10T279/1087 , Y10T279/1266 , Y10T279/17444 , Y10T279/17478 , Y10T279/17589
摘要： A circular flexible collet that provides a 360 degree gripping engagement with a cylindrical workpiece and which is operable by an actuator member incorporated in a workpiece chuck. The collet may be constructed as an internal collet for gripping engagement with a workpiece internal periphery, or as an external collet for gripping engagement with a workpiece external periphery. The flexible collet may be used for single, or plural workpiece gripping actions. The collet includes a split spring steel body having a radial opening split space and an outer and an inner circular periphery. One circular periphery is a workpiece gripping surface, and the other circular periphery has a tapered cam surface engageable by a workpiece chuck actuator member. The tapered cam surface has a plurality of circumferentially spaced apart slots, having an open outer end. In an internal collet the tapered cam surface is formed around the collet body inner periphery. In an external collet the tapered cam surface is formed around the collet body outer periphery.
摘要翻译：圆形柔性夹头，其提供与圆柱形工件360度夹紧接合，并且可由并入工件夹头中的致动器构件操作。夹头可以构造成用于夹持与工件内部周边接合的内部夹头，或者作为用于与工件外周夹持接合的外部夹头。柔性夹头可用于单个或多个工件夹持动作。夹头包括具有拆分径向开口 split space INS-E ID =“INS-S-00002”>以及外圆周和内圆周边。一个圆周是工件夹持表面，另一个圆周具有可由工件卡盘致动器构件接合的锥形凸轮表面。锥形凸轮表面具有多个周向间隔开的槽，其具有敞开的外端。在内部夹头中，锥形凸轮表面围绕夹头本体内周形成。在外部夹头中，锥形凸轮表面围绕夹头本体外周形成。

4. 发明授权

US06270086B1 Collet actuator for tool holder 失效
标题翻译：夹头执行机构
公开(公告)号：US06270086B1
公开(公告)日：2001-08-07
申请号：US09374195
申请日：1999-08-13
申请人： Don R. Lloyd
发明人： Don R. Lloyd
IPC分类号： B23B3120
CPC分类号： B23B31/1077 , B23B31/201 , B23B31/202 , Y10T279/17427 , Y10T279/17529 , Y10T279/17547 , Y10T409/30952
摘要： A tool holder includes a body, a collet, and a collet mover. The body is formed to include a collet chamber and a collet-mover chamber arranged to communicate wit the collet chamber. The collet includes a tool-gripping surface arranged to define a tool-receiving chamber adapted to receive a machine tool therein. The collet is mounted for movement in the collet chamber along a central axis of the body between a tool-grip position to cause the tool-gripping surface to move radially inwardly toward the central axis to grip the machine tool in the tool-receiving chamber and a tool-release position to cause the tool-gripping surface to move radially outwardly away from the central axis to release the machine tool. The collet mover is positioned to lie in the collet-mover chamber and is coupled to the collet to draw the collet along the central axis to the tool-grip position.
摘要翻译：工具架包括主体，夹头和夹头动子。本体形成为包括夹头室和布置成与筒夹腔相通的夹头移动室。夹头包括被设置成限定适于在其中容纳机床的工具接纳室的工具夹持表面。夹头被安装成沿着主体的中心轴线在工具握持位置之间移动到夹头室中，以使得工具夹持表面朝向中心轴线径向向内移动以夹持工具接收室中的机床，工具释放位置，以使工具夹持表面径向向外移动远离中心轴线以释放机床。夹头移动器被定位成位于夹头移动器室中并且联接到夹头以将夹头沿着中心轴线拉到工具夹持位置。

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