| 摘要 |
A chucking end structure of hand tools to enhance safety and overcome hard-maneuvering issues of the conventional structures. The invention includes a driving means to provide rotating energy and a chuck assembly to hold a cutter or a tool. The foregoing means and assembly are linked by a transmission shaft to transmit rotation. The transmission shaft is held in a holding hub which is engaged with a casing to house the driving means. The character of the invention is that a hollow shell to encase but not contact the chuck assembly. The transmission shaft comprises a first transmission shaft and a second transmission shaft which mortise with each other by a lug end and a notch end with a sloped side. The invention resolves problems of hard-maneuvering issues or hazards caused by inadvertently touching the rotating chuck assembly of the conventional hand tools.
|
