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Patent Searching and Data


Title:
LENS BARREL, IMAGE CAPTURING UNIT, AND IMAGE CAPTURING DEVICE
Document Type and Number:
Japanese Patent JP2019086687
Kind Code:
A
Abstract:
To provide a lens barrel capable of efficiently moving a plurality of lens groups while minimizing an increase in size thereof.SOLUTION: A lens barrel comprises: a plurality of holding members, each being configured to hold an optical component, provided with a cam follower, and supported in a manner that allows it to move in an optical axis direction; a cam barrel 80 provided with cam grooves to be engaged with the cam followers and supported in a manner that allows it to rotate about an axis parallel to the optical axis; and a linear actuator 111 configured to drive a second group lens barrel 20, one of the plurality of holding members, in the optical axis direction. When the second group lens barrel 20 is driven in the optical axis direction by the linear actuator 111, the cam barrel 80 rotates, driving the other holding members engaged with the cam barrel 80 in the optical axis direction.SELECTED DRAWING: Figure 3

Inventors:
鈴木 圭
藤原 大輔
Application Number:
JP2017215594A
Publication Date:
June 06, 2019
Filing Date:
November 08, 2017
Export Citation:
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Assignee:
キヤノン株式会社
International Classes:
G02B7/04; G03B11/00; G03B15/00; G03B17/02; H02N2/04
Attorney, Agent or Firm:
別役 重尚