Title:
羽根駆動装置
Document Type and Number:
Japanese Patent JP6918502
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a blade drive device and an imaging device capable of coping with moving image photographing and capable of being easily miniaturized.SOLUTION: The devices are provided with an opening forming member for forming an opening through which light passes, an aperture blade group formed by providing an aperture opening in the opening, a rotating member for driving the aperture blade group, and a space forming member which forms a drive space of the rotating member with the opening forming member, and the blade tip side of the aperture blade group is provided to the opening part, and the blade surface on the opening forming member side is brought into sliding contact with the peripheral edge part of the opening part, and a projecting part provided on one of the aperture blade group and the rotating member is biased adjacent to the other in the way that the aperture blade group disposed between the opening forming member and the rotating member is rotated by receiving a driving force from the rotating member.SELECTED DRAWING: Figure 7
Inventors:
Takahito Yoshizawa
Shuhei Obata
Shuhei Obata
Application Number:
JP2017009796A
Publication Date:
August 11, 2021
Filing Date:
January 23, 2017
Export Citation:
Assignee:
Canon Electronics Inc.
International Classes:
G03B9/06
Domestic Patent References:
| JP2015049430A | ||||
| JP2007163827A | ||||
| JP2009020438A | ||||
| JP2001083566A |
Foreign References:
| US20040066565 | ||||
| CN1479157A | ||||
| CN103777433A |
Attorney, Agent or Firm:
Another role Shigehisa