Levelling apparatus having an oscillating light generation unit
US11047681B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2017 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Mar 17, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C25/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A levelling apparatus includes a housing, a light generation unit, at least one first lens, a second lens, and a holding apparatus. The light generation unit is arranged in the housing, is mounted in an oscillating manner relative to the housing and has at least one light source, to which the at least one first lens for generating a first light plane and the second lens for generating a second light plane are assigned. The holding apparatus includes a first holding element and a second holding element for arranging the at least one first lens and the second lens. The at least one first lens is arranged on the first holding element and the second lens is arranged on the second holding element. The holding apparatus is configured to orient the at least one first lens and the second lens at least substantially perpendicular to one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.