Patent ID: 6820700
Filing Date: 2004-11-23
Classification: B25D,Y10T

Abstract:
A chuck for a rotary-percussion power tool (2), comprising a working tool guide (3) for receiving a shank (5) of a working tool; at least one locking member (4) for limiting an axial displacement of the shank (5) in opposite directions within an axial displacement length (X); a displaceable stop member (7) cooperating, within the shank displacement length (X), with a power tool side, stop surface (8) of the shank (5); and a spring (6) for biasing the stop member (7) into engagement with the stop surface (8) of the shank (5) and having a radially outwardly extending cup (10) that provides space for displacement of the stop member (7) radially outwardly.