Title:
RESTRICTION DEVICE FOR ROTATING CHAIR
Document Type and Number:
Japanese Patent JP3800028
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a restriction device which prevents a seat from rotating when the seat is used, neither disfigures the chair nor forms an obstacle.
SOLUTION: The restriction device for a rotating chair comprises a gas cylinder 5 which can freely go up and down at a shaft 4 of a leg part 1 and a seat which is rotatably attached to the upper end of the shaft, and an irrotational part (a fringe plate 9) of the leg part, and a rotational part (a fixed plate 10) which is integral with the seat during turning to the rotation, are connected attachably/detachably by a restriction method 3 for rotation, and it enables the seat to go up and down and stop rotating.
Inventors:
Ueda Takaharu
Kazuhisa Okada
Kazuhisa Okada
Application Number:
JP2001133636A
Publication Date:
July 19, 2006
Filing Date:
April 27, 2001
Export Citation:
Assignee:
Itoki Co., Ltd.
International Classes:
A47C3/18; A47C7/00; A47C3/30; (IPC1-7): A47C3/18; A47C3/30; //A47C7/00
Domestic Patent References:
| JP6181827A | ||||
| JP3078693U | ||||
| JP57127030U | ||||
| JP54179913U | ||||
| JP60055537U | ||||
| JP6058745U |
Attorney, Agent or Firm:
Takao Yanagino