| 摘要 |
A lathe dog has a floating pendulum disc (D) held in a rotatable holder (H) associated with one center point (B) for a workpiece (A). Such holding is shown to be in a slot (G) by an extension finger (K) engaging spherical contacts (G'). The disc (D) has a central interiorly conical (F', F'') carrier (F) to engage on and be pressed (springs E) against the workpiece (A) and permit tilting thereof.
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