Lens barrel attachment
US5327292A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 20, 1992 |
| Grant date | Jul 5, 1994 |
| Priority date | — |
| Expiry date | May 20, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16M2200/027
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A lens barrel attachment including an attachment ring and a handle in which a click pin is housed. The attachment ring is rotatably fitted on a large-sized lens barrel. The handle is threadingly fitted in a handle hole formed in the attachment ring and extending in a radial direction thereof. The click pin is provided in an accommodation hole formed in the handle and urged by a spring to be engaged with engaging recesses formed on an outer surface of the lens barrel. The handle has a contact portion at the tip portion thereof. This contact portion is brought into frictional contact with the lens barrel to thereby fix the lens barrel to the attachment ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.