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Title:
OPERATION UNIT AND ELECTRONIC APPARATUS
Document Type and Number:
Japanese Patent JP2013105101
Kind Code:
A
Abstract:

To solve such a problem that, when a spring is compressed in changing a position, the spring may cause bending deformation inside a guide groove by inclination, repetitive pressing or the like in assembling.

The operation unit includes: a ball member; a recessed member having recesses corresponding to each of a plurality of stationary positions; a spring member energizing the ball member to a recess; and a guide member for guiding the spring member and the ball member in the direction of the recess. The guide member has a relief for preventing the bending deformation of the spring member when the ball member transfers to another recess.


Inventors:
Saito, Yoshihisa
Application Number:
JP2011000250009
Publication Date:
May 30, 2013
Filing Date:
November 15, 2011
Export Citation:
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Assignee:
NIKON CORP
International Classes:
G03B17/02; H01H3/50; H01H15/16; H01H19/11
Attorney, Agent or Firm:
龍華国際特許業務法人



 
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