Level
US7600324B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 21, 2005 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Mar 4, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C9/28
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A level having a mounting body provided with a bubble tube measuring portion disposed in a container case, the mounting body is adjusted by microrotation in relation to the container case to correct a position of the bubble tube, wherein a shaft insertion hole is provided in the container case and in the mounting body, the shaft member is disposed via the through-hole of the container case and the mounting body, whereby the mounting body can perform microrotations about the shaft member in the container case, the mounting body is provided with an elastic pressure contact portion for making elastic pressure contact with an inner surface of one side of the container case, and a tightening and pressing contact portion for making pressing contact via an adjustment screw for pressing and making contact in a sloped direction with the inner surface on an opposite side facing the container case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.