Optical assembly having a movable lens unit
US11940718B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2022 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Aug 12, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2205/0046
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical assembly includes a lens unit capable of being moved along an optical axis of the optical assembly. The lens unit includes a lens mount for holding at least one lens. The optical assembly further includes a sleeve for receiving the lens mount. The lens mount is in sliding contact with and movable in relation to the sleeve as the lens unit is moved along the optical axis. The lens mount is formed of or comprises at its outer surface a self-lubricating material, and/or the sleeve is formed of or comprises at its inner surface a self-lubricating material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.