Title:
ROTARY OPERATION MEMBER
Document Type and Number:
Japanese Patent JP2019192559
Kind Code:
A
Abstract:
To provide a rotary operation member which can achieve high electric connection reliability and obtain high-quality operation feeling.SOLUTION: A rotary operation member unit includes: a rotary operation member 100 inserted into a substantially center hole part 121 of a base member 120; a recessed part 103 formed by cutting out a part of the rotary operation member; a ball member 130 housed in the recessed part; an elastic member 140; a lid member 150 which is attached to the rotary operation member, is rotatably supported, and closes the recessed part; multiple biasing parts 151 which are provided at an outer periphery of the lid member and contact with the base member to draw the rotary operation member; a substrate 190 disposed at the side facing the base member; a pattern part 191 which is provided on the substrate and detects a rotational phase of the rotary operation member; and at least one contact piece part 161, 162 which is attached to the rotary operation member, is rotatably supported with the rotary operation member, and contacts with the pattern part. Biasing force of the multiple biasing parts is larger than biasing force of the contact piece part.SELECTED DRAWING: Figure 4
More Like This:
Inventors:
YAMADA YOHEI
Application Number:
JP2018085937A
Publication Date:
October 31, 2019
Filing Date:
April 27, 2018
Export Citation:
Assignee:
CANON KK
International Classes:
H01H19/58; G03B17/00; G03B17/02; H01H19/10
Attorney, Agent or Firm:
Yukio Takanashi