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1. 发明授权

US4655464A Drill chuck for a hand-held device 失效
标题翻译：钻夹头用于手持式设备
公开(公告)号：US4655464A
公开(公告)日：1987-04-07
申请号：US736473
申请日：1985-05-21
申请人： Erwin Manschitz , Karl-Heinz Gartner , Josef Hunger , Manfred Spieth , Hans-Karl Moser , Jurgen Mundle
发明人： Erwin Manschitz , Karl-Heinz Gartner , Josef Hunger , Manfred Spieth , Hans-Karl Moser , Jurgen Mundle
IPC分类号： B23B31/173 , B23B31/00 , B23B31/107 , B23B31/12
CPC分类号： B23B31/00 , B23B31/1253 , Y10T279/17615 , Y10T279/17649 , Y10T279/32
摘要： In a drill chuck for securing the shank of a tool in a hand-held device, clamping jaws are mounted in a chuck member and bear radially outwardly against the conically shaped surface in a first sleeve into which the tool shank is inserted. A second sleeve is connected to the first sleeve and is threaded engagement with the chuck member. A locking or third sleeve is located about the first and second sleeves. The third sleeve is axially displaceable between a first position and a second position. In the first position the third sleeve engages the first and second sleeves so that the second sleeve cannot be rotated relative to the first sleeve or the chuck member and the tool shank can be locked by the clamping jaws. When the third sleeve is displaced into the second position, the second sleeve is released and can be rotated relative to the chuck member for axially displacing the first sleeve relative to the chuck member and adjusting the radial position of the clamping jaws.
摘要翻译：在用于将工具的柄固定在手持装置中的钻夹头中，夹爪被安装在卡盘构件中，并且在工具柄插入其中的第一套筒中径向向外抵靠锥形表面承受。第二套筒连接到第一套筒并且与卡盘构件螺纹接合。锁定或第三套筒围绕第一和第二套筒定位。第三套筒可在第一位置和第二位置之间轴向移动。在第一位置中，第三套筒接合第一和第二套筒，使得第二套筒不能相对于第一套筒或卡盘构件旋转，并且工具柄可被夹爪锁住。当第三套筒移动到第二位置时，第二套筒被释放并且可以相对于卡盘构件旋转，用于相对于卡盘构件轴向移动第一套筒并调节夹爪的径向位置。

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