Impact screwdriver
OwnerChih-Ching Hsiehinventor
Life of this patent
Estimating the term…
Abstract
An impact screwdriver includes: a handle has a spindle mounted therein. The spindle has a first end and a second end extending to an outer surface of the handle, a percussion portion is mounted on the first end of the spindle for loading impact, a tank is axially defined in the spindle from the second end of the spindle, a guiding structure is defined in an inner periphery of the tank, an elastic member and a driving shank is sequentially mounted in the tank for cooperating each other, a boss is positioned on the driving shank and installed into the guiding structure to make the guiding structure drive the driving shank when the percussion portion is impacted.
Claims5
An impact screwdriver comprising:
- a handle has a spindle mounted therein, the spindle having a first end and a second end extending to an outer surface of the handle, a percussion portion mounted on the first end of the spindle for loading impact, a tank axially defined in the spindle from the second end of the spindle, a guiding structure defined in an inner periphery of the tank;
- and
- an elastic member and a driving shank sequentially mounted in the tank for cooperating each other, a boss positioned on the driving shank and installed into the guiding structure to make the guiding structure drive the driving shank when the percussion portion is impacted.
Dependencies are inferred from the claim text.