Patent · US Active

Lens barrel and cam mechanism

US9316806B2 · kind B2 · utility

4Cited by

1References

9Claims

0Family size

Assignee

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. · JP

Inventors

Tetsuya Uno · Osaka, JP
Takumi Kuwahara · Nara, JP

Key dates

Filing date	May 30, 2013
Grant date	Apr 19, 2016
Priority date	—
Expiry date	Mar 28, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/2101
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A lens barrel includes an optical system for forming an optical image of an object, a first tube for supporting at least one lens included in the optical system, and a second tube disposed inside or outside the first tube. The first tube includes first cam grooves in the side surface thereof on which the second tube is disposed. The second tube includes first cam followers that engage with the first cam grooves.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.