Holder for drilling means/screw driver

Application Number: 00105363
Application Date: 2000.03.31
Publication Number: 1268422
Publication Date: 2000.10.04
Priority Information: 1999/3/31 GB 9907463.5
International: B23B31/12;B23B45/02;B25F5/00
Applicant(s) Name: Black & Decker, Inc.
Inventor(s) Name: A. Walker
Patent Agency Code: 72001
Patent Agent: zhang tianan
Abstract A drill/driver chuck has a cylindrical member (2) with a central axial bore (4). A plurality of further bores (6) slanted with respect to the axis of the cylindricl member 4. A jaw actuator (10) is coupled to each jaw (8) and moves them within their respective bores (6). The jaw actuator (10) has a conical shape with the walls of the cone having a plurality of slots (12) formed therein to co-operate with each respective jaw (8).