Driving head-changeable tool
A driving head-changeable tool is provided, comprising an outer sleeve and an inner sleeve. The outer sleeve has an end peripheral edge and a non-circular circumferential inner wall. The end peripheral edge is formed with corner portions and blocking flanges. The inner sleeve has a non-circular circumferential outer wall. The inner sleeve is rotatably sleeved by the outer sleeve and has a first connecting end along a central axis. An inner wall of the first connecting end is formed with concaves extending axially. The non-circular circumferential inner and outer walls are nonrotatably abutted against each other. As viewed in an axial direction, each concave overlaps with one the blocking flange. When a driving head is inserted in the inner sleeve and the outer sleeve and the inner sleeve come close to each other, the driving head is blocked by the blocking flanges.
YUAN LI HSING INDUSTRIAL CO., LTD.
B B B
B25B B25B B25B
inventional inventional inventional
Hui-Chien Chia-Yi
Chen Chen