Title:
CASTER-EQUIPPED MOVABLE FURNITURE AND CASTER DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/053809
Kind Code:
A1
Abstract:
[Problem] To enable stable execution of switching movement between a free state, a course lock state, and a lock state of a caster. [Solution] The present invention is provided with: a caster device 10 capable of switching between free, course lock, and lock states; and an operation transmission mechanism comprising a belt drive type pulley group for, in accordance with switching operation of an operation member provided to a furniture body, changing a rotation angle of a cam shaft CAMST provided with a first cam CAM1 capable of retreating a first follower projection regulation surface by rotation at a first angle and a second cam CAM2 capable of retreating a second follower projection regulation surface by rotation at a second angle (>first angle).
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Inventors:
YOSHIDA EIKI (JP)
YAMAGUCHI MICHINORI (JP)
YAMAGUCHI MICHINORI (JP)
Application Number:
PCT/JP2019/036954
Publication Date:
March 25, 2021
Filing Date:
September 20, 2019
Export Citation:
Assignee:
NEW SYSTEM TECH INC (JP)
International Classes:
A47B91/06; A47B23/00; B60B33/00; B60B33/02
Foreign References:
| JP2016088419A | 2016-05-23 | |||
| US4434722A | 1984-03-06 |
Attorney, Agent or Firm:
MORI Yasuhiko (JP)
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