| 摘要 |
This invention relates to a gripping jaw (1) comprising: a body (4); a traction rod (6) sliding axially in the body (4); at least one jaw holder (3) sliding radially in the body (4); and a transmission system (7,8) converting axial translation of the traction rod (6) into the radial translation of each jaw holder (3). Each jaw holder (3) is fitted with a guiding member (10) guided radially along a groove (14) recessed within the chuck (1), the member being uniquely free to swivel axially in relation to the jaw holder.
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