Long shaft inner surface machining apparatus and method therefor
US8839699B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2009 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Oct 5, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/8588
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A long shaft inner surface machining apparatus of the present invention includes: a long shaft support device 10 that fixes a long shaft 1 so as not to bend; a machining head 20 capable of being inserted into the prepared hole 2 of the long shaft 1 in the axial direction; a head support device 30 that is coupled with the machining head 20 from one end of the long shaft 1 through the prepared hole 2 and moves the machining head 20 in the axial direction; and a blade drive device 40 that is coupled with the machining head from the other end of the long shaft 1 through the prepared hole 2 and rotary-drives the blade 29 around a shaft axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.