Spindle device of machine tool
US6582167B1 · kind B1 · utility
16Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2002 |
| Grant date | Jun 24, 2003 |
| Priority date | — |
| Expiry date | Jan 9, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T409/304032
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A spindle device and a tool holder of a machine tool stably ejecting spray coolant from the tip of a tool (19) in a tool holder (18) and suppressing a waste of the spray coolant, wherein the tool holder (18) is fixed to the tip part of a spindle (2) mechanically detachably through clamp means (KR), an extension passage (104) is formed in the state that an in-spindle spray coolant passage (102) formed in the center part of the spindle (2) is formed to communicate with the in-holder spray coolant passage (103) through the extension passage (104).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.