公开(公告)号：EP1407845B1

公开(公告)日：2008-10-22

申请号：EP02746058.3

申请日：2002-07-15

申请人： KABUSHIKI KAISHA KITAGAWA TEKKOSHO

发明人： NISHIMIYA, Tamio ,  ISOHISA, Satoshi ,  MASATSUGU, Naoyuki ,  NAKAMURA, Toshihito

IPC分类号： B23B31/177

CPC分类号： B23B31/16266 ,  B23B2260/116 ,  B23B2260/136 ,  Y10T279/1973 ,  Y10T279/1986

公开(公告)号：EP1407845A1

公开(公告)日：2004-04-14

申请号：EP02746058.3

申请日：2002-07-15

申请人： KABUSHIKI KAISHA KITAGAWA TEKKOSHO

发明人： NISHIMIYA, Tamio ,  ISOHISA, Satoshi ,  MASATSUGU, Naoyuki ,  NAKAMURA, Toshihito

IPC分类号： B23B31/177

CPC分类号： B23B31/16266 ,  B23B2260/116 ,  B23B2260/136 ,  Y10T279/1973 ,  Y10T279/1986

摘要： The invention has been developed to solve the drawbacks of the conventional chuck construction, and it is an object of the invention to provide a compact chuck construction, by omitting the axial movement parts, which are inevitable in the conventional chuck construction. A chuck body 10 comprising an axially movable plunger 30 and a jaw 20, in which said jaw 20 having master jaw body 24 obliquely arranged with respect to the axis, said plunger 30 having a bush 41 which act as a wedge, and a driving means 50 at the rear end of the master jaw body 24, said wedge means 40 having a structure of canceling a moment applied to the jaw 20 as a result of clamping and the driving means 50 providing a reactant force to the master jaw body 24 for canceling drawing force applied to the plunger 30.

摘要翻译： 具有拉动功能的卡盘被构造成使得由可移动的卡盘主体部分所具有的功能被不可移动的主体部分，柱塞和推动装置所取代，从而分配可动卡盘主体部分。