Title:
羽根駆動装置
Document Type and Number:
Japanese Patent JP5224885
Kind Code:
B2
Abstract:
A blade drive device includes: a board having a shutter opening; a blade for adjusting an amount of light entering the shutter opening; and a transmitting member for transmitting a drive force to the blade. The transmitting member includes a drive pin swinging about a given support point. The blade has a first cam slot engaged with the drive pin and swinging about a given support point in conjunction with a swinging of the drive pin. The first cam slot includes a first permitting area and a first restricting area. The blade is permitted to swing when the drive pin is located in the first permitting area. The blade is restricted from swinging when the drive pin is located in the first restricting area.
Inventors:
Picchett Numnon
Takashi Nakano
Plapas Chalong Simpta Khun
Nopadon Numpin
Takashi Nakano
Plapas Chalong Simpta Khun
Nopadon Numpin
Application Number:
JP2008103845A
Publication Date:
July 03, 2013
Filing Date:
April 11, 2008
Export Citation:
Assignee:
Seiko Precision Co., Ltd.
International Classes:
G03B9/02; G03B9/10; G03B9/26
Domestic Patent References:
| JP2005173355A | ||||
| JP2005352153A | ||||
| JP2008003436A | ||||
| JP2007233054A | ||||
| JP2006284783A | ||||
| JP2008065252A | ||||
| JP2006070824A | ||||
| JP2007212645A |
Foreign References:
| WO2006030648A1 |
Attorney, Agent or Firm:
Shuhei Katayama
Kikuchi
Kikuchi