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Title:
FOCAL PLANE SHUTTER FOR CAMERA, AND DIGITAL CAMERA COMPRISING THE SAME
Document Type and Number:
Japanese Patent JP2016061830
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a focal plane shutter and a camera that can prevent a lubricant from scattering as a member constituting a driving mechanism using a rotary shaft operates, and thereby avoid a risk of contamination of a control part interior and blades with a lubricant in the blades and driving mechanism.SOLUTION: A shutter includes: a bottom plate 1 having an exposure opening part; blades which act to open and close the opening part; a driving mechanism which makes the blades act to open and close the opening part; and at least one rotary shaft 1k which comprises a shaft body 1k1 stood on the bottom plate and having a shaft part 1k1a and a collar part 1k1b projecting radially from the shaft part, and a tubular member 1k2 engaging rotatably an outer peripheral surface 1k1a1 of the shaft part and having one end edge 1k2a abutting on the collar part, and supports at least one member constituting the driving mechanism rotatably around the shaft part. The shutter is further provided with a sleeve 1k3 which covers a periphery of the part, where the collar part of the shaft body and one end edge of the tubular member abut on each other, of at lest one rotary shaft, and is joined to the surface of the bottom plate at one end edge 1k3b1.SELECTED DRAWING: Figure 4

Inventors:
KAWAKAMI KENTA
TAKAHASHI SHIGEMI
Application Number:
JP2014187651A
Publication Date:
April 25, 2016
Filing Date:
September 16, 2014
Export Citation:
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Assignee:
NIDEC COPAL CORP
International Classes:
G03B9/36
Domestic Patent References:
JP2008046533A2008-02-28
JP2014059371A2014-04-03
JP2000018262A2000-01-18
Foreign References:
US20110158635A12011-06-30
Attorney, Agent or Firm:
Shinohara International Patent Office
Yasushi Shinohara
Masayuki Fujinaka
Kazuhiro Suzuki