Air File
OwnerJian-Shiou Liawinventor
Life of this patent
Estimating the term…
Abstract
An air file has a body, a fastening member, and a driving assembly. The body has a handle and a front cover connected to the handle. The fastening member is swingably assembled to the front cover and has a pivoting end and a connecting end. The pivoting end of the fastening member is inserted inside the front cover. The connecting end of the fastening member extends out of the front cover. The driving assembly is mounted inside the body and has an eccentric shaft and a swinging unit. The eccentric shaft is connected to a driving device and has an eccentric hole facing to the front cover. The swinging unit has a pivoting portion and a ball joint. The pivoting portion is pivotally connected to the pivoting end of the fastening member. The ball joint is engaged in the eccentric hole of the eccentric shaft.
Claims7
An air file comprising:
- a body having
- a handle;
- and
- a front cover connected to the handle;
- a fastening member swingably assembled to the front cover and having
- a pivoting end inserted inside the front cover;
- and
- a connecting end extending out of the front cover;
- a driving assembly mounted inside the body and having
- an eccentric shaft connected to a driving device and having an eccentric hole facing to the front cover;
- and
- a swinging unit having
- a pivoting portion pivotally connected to the pivoting end of the fastening member;
- and
- a ball joint engaged in the eccentric hole.
Dependencies are inferred from the claim text.