Patent · US Active

Optical assembly having a movable lens unit

US11940718B2 · kind B2 · utility

0Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 2022
Grant dateMar 26, 2024
Priority date
Expiry dateAug 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.