发明名称 |
Speed-increasing device for a dental handpiece |
摘要 |
An angle-drive head of a dental handpiece with the housing thereof removable. A speed-increasing pinion is provided for meshing with a drive pinion of the angle-drive. A shaft connected to the pinion extends axially in the head and has a speed-increasing pinion for developing a greater speed. A speed-increasing device removably coupled to the head has a third speed-increasing pinion and a fourth pinion is coupled thereto. A tool-receiving jaw is provided in the device for coupling to the fourth speed-increasing pinion for being rotationally driven therefrom.
|
申请公布号 |
US4475889(A) |
申请公布日期 |
1984.10.09 |
申请号 |
US19820442626 |
申请日期 |
1982.11.18 |
申请人 |
GARCIA, PHILIPPE;GAILLARD, ROGER |
发明人 |
GARCIA, PHILIPPE;GAILLARD, ROGER |
分类号 |
A61C1/12;A61C1/18;(IPC1-7):A61C1/02 |
主分类号 |
A61C1/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|