Rotating shaft tool
US5820313A · kind A · utility
Inventor
Key dates
| Filing date | Nov 25, 1996 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Nov 25, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/94
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Rotating shaft tool with a shaft, in which at least one main channel for coolant/lubricant is provided, extending in the longitudinal direction, with a cutter head connected to the shaft and having chip grooves and a groove discharge region, with a sleeve which extends between the groove discharge region and the shaft and which covers at least one feed channel formed between the main channel and the groove discharge, characterized in that the at least one feed channel is provided substantially parallel to the longitudinal mid axis of the shaft and of the cutter head, and has a transition, free from sharp bends, from the main channel to the feed channel and from the feed channel to the groove discharge region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.