发明名称 |
Core Drilling Machine Having An Interchangeable Drill Bit |
摘要 |
A core drilling machine having an axial extending hollow drill shaft supported rotatably in a housing and rotated by means of a drive unit; a coaxial tool holder receiving an axially displaceable drill bit, the tool holder having a locking mechanism securing the drill bit in a rotationally fixed manner to the hollow drill shaft; wherein the hollow drill shaft is suitable for receiving a shaft of an interchangeable centre drill, the centre drill axially supported against a first spring element; and an axial stop element preventing in a first position a complete displacement of the centre drill into the interior of the hollow drill shaft and allows in a second position a complete displacement of the centre drill into the interior of the hollow drill shaft; and an activation device for activating the first or second positions of the stop element. |
申请公布号 |
US2012163933(A1) |
申请公布日期 |
2012.06.28 |
申请号 |
US201213410643 |
申请日期 |
2012.03.02 |
申请人 |
RICHT BORIS;STARK CHRISTIAN;GARIFO NICASIO |
发明人 |
RICHT BORIS;STARK CHRISTIAN;GARIFO NICASIO |
分类号 |
B23B51/02 |
主分类号 |
B23B51/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|