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Title:
SLIP-RING, DIFFERENTIAL CASTER AND ELECTRICALLY-DRIVEN WHEELCHAIR
Document Type and Number:
Japanese Patent JP2012074139
Kind Code:
A
Abstract:

To provide a slip-ring, a differential caster and an electrically-driven wheelchair that can be manufactured at a low cost by downsizing and reducing the number of components.

A slip-ring is provided with rotary terminals 71,78 externally fixed to a diameter-reduced part 53b and slidingly contacting terminals 72,79 arranged along the circumferential direction of the diameter-reduced part 53b and capable of being in sliding contact with the outer peripheral surfaces of the rotary terminal 71,78 from the outside of the radial direction in the diameter-reduced part 53. Supply lines 57a,57b to be electrically connected with a battery are installed in the slidingly contacting terminals 72,79, and the supply lines 57a,57b are extracted from the slidingly contacting terminals 72,79 toward the outside of the radial direction.


Inventors:
Nagai, Takahiro
Kaneko, Yoshihiro
Yamaguchi, Zentaro
Application Number:
JP2010000215895
Publication Date:
April 12, 2012
Filing Date:
September 27, 2010
Export Citation:
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Assignee:
MITSUBA CORP
International Classes:
H01R39/08; A61G5/02; A61G5/04; B60K7/00; B62D9/00
Domestic Patent References:
JPS4933308U1974-03-23
JPH0236228Y21990-10-02
JP2008212272A2008-09-18
Attorney, Agent or Firm:
志賀 正武
高橋 詔男
渡邊 隆
鈴木 三義
西 和哉
村山 靖彦