| 摘要 |
<p>The chuck (1) has a left hand thread screw (9) traversing an opening that connects two axial recesses (3, 6). A threaded part (11) of the screw is intended to be engaged in an axial internal thread of a rotating spindle of a rotating machine, while a head (10) of the screw supports against a bottom wall (4) of the recess (3). The recess (6) has a cylindrical zone (7) and a hexagonal zone (8) from another bottom wall towards an open end of the recess (6), where the zones receive a cylindrical part (12) and a hexagonal male part (13) that are provided on the rotating spindle.</p> |
