Chuck for machine tool, has jaws with adjustable position by moving them at right angles to axis for rotary part held between them

摘要

The jaws (2) can be altered relative to the rotary part held inside the chuck (1) by moving them in a direction at right angles to the rotary part axis (30). The adjustment mechanism comprises a push sleeve (5) movable in an axial direction in order to cause movement of the jaws in the radial direction. The chuck comprises a set of jaws mounted inside a sleeve (10).