Title:
BLADE DRIVE DEVICE AND OPTICAL INSTRUMENT
Document Type and Number:
Japanese Patent JP2016126246
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a blade drive device that allows increase in number of components to be curbed, as curbing bounds of blades, and to provide an optical instrument that includes the blade drive device.SOLUTION: A blade drive device 10 comprises: a partition plate 21 that has an aperture part 22; blades 31a to 34a and 31b to 34b that are developed in a state having the aperture part 22 closed and are overlapped in a state having the aperture part 22 opened; and a first regulation unit 23A and a second regulation unit 23B which are integrally formed with the partition plate 21, and against which the blades 31a and 31b abut upon developing. An optical instrument comprises the blade drive device 10.SELECTED DRAWING: Figure 2
Inventors:
OISHI SEIICHI
TOKURA SHOICHI
TOKURA SHOICHI
Application Number:
JP2015001749A
Publication Date:
July 11, 2016
Filing Date:
January 07, 2015
Export Citation:
Assignee:
SEIKO PRECISION KK
International Classes:
G03B9/36
Domestic Patent References:
| JPS5284230U | 1977-06-23 | |||
| JP2002014388A | 2002-01-18 | |||
| JP2012027332A | 2012-02-09 | |||
| JPH095831A | 1997-01-10 |
Attorney, Agent or Firm:
Masatake Shiga
Shingo Suzuki
Nishizawa Kazumi
Field Saki Satoshi
Shingo Suzuki
Nishizawa Kazumi
Field Saki Satoshi