Levelling head
US5769561A · kind A · utility
4Cited by
13References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1996 |
| Grant date | Jun 23, 1998 |
| Priority date | — |
| Expiry date | Apr 25, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7152
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A leveling device with which to orient a workpiece--or tool--affixing upper part relative to a lower part connected to it, the device having at least one adjusting screw of which the shank rotatably passes through the upper part and engages a thread in the lower part. To permit economical manufacture of the device without degradation in accuracy, the invention anchors the upper part in the lower part at a specified spring loading and at a spaced apart distance from the adjusting screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.