Title:
LEVEL CONTROLLER OF VIBRATIONPROOF SUPPORTING FRAME
Document Type and Number:
Japanese Patent JP3205355
Kind Code:
B2
Abstract:
PURPOSE: To provide the device for controlling a level of a frame supported on a base through an air spring.
CONSTITUTION: A frame 16a is supported on a base through an air spring. A first cam 22 for the upper level and a second cam 24 for the lower level are attached to the frame. A first valve 34 integrated into a first tube for opening an air chamber of the air spring into the open air has a spool which is engaged to a first cam and goes in and out, and controls communication and cut-off of the air chamber and the open air by this spool. A second valve 48 integrated into a second tube for supplying compressed air from a pressure source to the air chamber has a spool which is engaged to a second cam and goes in and out, and controls communication and cut-off of the pressure source and the air chamber.
Inventors:
Hikichi Yoshifumi
Takashi Minatani
Takashi Minatani
Application Number:
JP18156091A
Publication Date:
September 04, 2001
Filing Date:
June 27, 1991
Export Citation:
Assignee:
Toyota Technocraft Co., Ltd.
International Classes:
A61G7/08; A61G3/00; F16F9/04; F16F15/04; (IPC1-7): A61G3/00; A61G7/08; F16F9/04; F16F15/04
Domestic Patent References:
| JP5069888A | ||||
| JP2175498A | ||||
| JP2231214A | ||||
| JP321327U |
Attorney, Agent or Firm:
Nobuyuki Matsunaga