Machine tool, tool, and tool holder
US6825630B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Jul 18, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T409/309296
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A longer life, low cost tool and tool holder enabling change of posture with respect to a spindle, having a high machining accuracy of a workpiece, and resistant to generation of vibration or heat, provided with a working tool for processing a workpiece, a motor having an output shaft to which the working tool is connected and rotating the working tool, a first holder for holding the working tool and the motor, a mount attached to the spindle, a generator to which rotational force is transmitted from the spindle through the mount and generating electric power for driving the motor, a second holder for holding the mount rotatably, holding the generator, and engaged with a nonrotating portion of the machine tool, and a posture adjustment mechanism which connects the first holder and the second holder and is able to change the posture of the working tool with respect to the spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.