| 摘要 |
A clamping device for a dental handpiece to clamp a tooth treatment tool and provide for rapid connection with and disengagement from the dental handpiece. The clamping device includes a pre-clamping element provided with flexible tongues to clamp the shank of the tool prior to clamping the tool shank with the drive shaft of the dental handpiece, and a control mechanism to connect and disconnect the tool shank and the drive shaft. |
