Patent ID: 6325393
Filing Date: 2001-12-04
Classification: B25B,Y10S,Y10T

Abstract:
A chuck device comprising, in combination:a tool having a shank including a first end and a second end, a first tool portion projecting from the first end of the shank, a second tool portion projecting from the second end of the shank, and an annular retaining groove defined in an outer periphery of the shank intermediate the first and second ends of the shank;a housing including a first end and a second end, a spindle at the first end of the housing, a longitudinal hole extending from the second end of the housing, and a transverse countersink spaced between the first and second ends of the housing and communicating with the longitudinal hole;a sliding sleeve slidably mounted around the housing for sliding along a longitudinal direction between an engaged position and a disengaged position, with the sliding sleeve being biased from the disengaged position to the engaged position;a ball partially received in the transverse countersink, with the ball being moved into the longitudinal hole to engage the annular retaining groove of the tool when the sliding sleeve is in the engaged position; anda follower slidable in the longitudinal hole and biased from adjacent the first end of the housing towards the second end of the housing, with the follower ejecting the tool from the longitudinal hole of the housing, a passage formed in the follower for receiving one of the tool portions projecting from the shank when the ball engages the annular retaining groove of the tool.