Patent ID: 6543789
Filing Date: 2003-04-08
Classification: B25D,Y10T

Abstract:
A chuck for receiving a tool shank a clamp region of which is provided with close-ended radial recesses (3) extending in axial direction, the chuck (1) comprising radially displaceable engagement members (5) formlockingly engageable in the radial recesses (3) of the clamp region of the took shank; an axially displaceable control sleeve (6) for radially displacing the engagement members between engagement and release position thereof; and a resilient holding member (8) arranged between the control sleeve (6) and the clamp region of the tool shank and having a detent element (9) for preventing displacement of the control sleeve into the locking position (7) thereof from a release position (10) thereof into which the control sleeve (6) was displaced upon insertion of the tool (4) against a biasing force of the holding member (8),wherein the control sleeve (6) has a flange-shaped section adapted to be gripped by a hand for manually displacing the control sleeve (6).