Title:
羽根駆動装置
Document Type and Number:
Japanese Patent JP6932072
Kind Code:
B2
Abstract:
To perform opening adjustment with high accuracy by stably rotating a lever member which causes a blade to operate.SOLUTION: A blade driving device comprises a base frame, a lever member rotatably pivoted at the base frame, a blade connected to the lever member and a driving unit for rotating the lever member. The lever member is attracted toward the base frame with magnetic force so that one side of right and left sides with respect to a rotational axis is always put on the base frame side.SELECTED DRAWING: Figure 4
Inventors:
Takashi Sawato
Nakagawa Ayuko
Kenzo Imai
Yusuke Ehara
Nakagawa Ayuko
Kenzo Imai
Yusuke Ehara
Application Number:
JP2017230345A
Publication Date:
September 08, 2021
Filing Date:
November 30, 2017
Export Citation:
Assignee:
Nidec Copal Corporation
International Classes:
G03B9/02; G03B9/10; G03B11/00
Domestic Patent References:
| JP2003255432A | ||||
| JP2006201687A |
Foreign References:
| WO2016136931A1 |
Attorney, Agent or Firm:
Eichi International Patent Office