公开(公告)号：US3802713A

公开(公告)日：1974-04-09

申请号：US34157873

申请日：1973-03-15

Applicant: BURNERD F AND CO LTD

Inventor： LEVY R

IPC: B23B31/20 ,  B23B31/30

CPC classification number: B23B31/201 ,  B23B2231/2081 ,  Y10T279/17521 ,  Y10T279/17743 ,  Y10T279/1921

Abstract: A lever operated collet chuck with a collet having screw-threads on the rear external surface thereof, and slots at the front to permit opening and closing about the work, a collet closing sleeve moved by a plurality of thrust balls housed in the chuck body and moved radially inwardly by a lever operated actuating sleeve; and a geared ring in screw-threaded engagement with the collet, a pinion turned by a key being employed for rotating the ring to adjust the collet axially into initial engagement with the work.

Abstract translation: 一个杠杆操作的夹头卡盘，其夹头在其后外表面上具有螺纹，并且在前面的槽允许围绕工件打开和关闭;夹套闭合套筒，由容纳在卡盘主体中的多个推力球运动;以及 通过杠杆操作的致动套筒径向向内移动; 以及与夹头螺纹接合的齿轮环，由钥匙转动的小齿轮用于旋转环以便将夹头轴向调节成与工件的初始接合。