Lens sealing sleeve, lens module, lens adjustment module, and projection device
US10928714B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2017 |
| Grant date | Feb 23, 2021 |
| Priority date | — |
| Expiry date | Nov 3, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/646
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens sealing sleeve includes a hollow cylindrical sleeve body used for a lens barrel to pass through and including a plurality of fold portions arranged along the axial direction, and two ends of the sleeve body are provided with a first opening and a second opening. The lens sealing sleeve also includes a first connection portion and a second connection portion. The first connection portion includes a first protrusion at least partially surrounding the first opening and correspondingly extending in a direction facing away from a central line of the first opening. The second connection portion includes a second protrusion at least partially surrounding the second opening and correspondingly extending in a direction facing away from a central line of the second opening. The first protrusion is provided with a first connection hole. The second protrusion is respectively provided with a second connection hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.