Title:
TOP PLATE ELEVATING AND LOWERING DEVICE FOR DESK
Document Type and Number:
Japanese Patent JPH1033270
Kind Code:
A
Abstract:
To smoothly elevate and a top plate without generating the distortion of a guide part despite of a simple structure.
A supporting frame 7 suspended from the left and right end parts of the top plate is fitted inside a hollow leg body 4 and it is supported by a hydraulic cylinder 10. A guide shaft 16 and an extension spring 22 are separated to the front and back and arranged holding the hydraulic cylinder 10 therebetween and upper and lower bushes 18 fixed to the supporting frame 7 are fitted to the guide shaft 16. Since balance is attained by the spring 22 even though there is only one guide shaft 16, elevating and lowering are smoothly performed despite of the simple structure.
Inventors:
UTO JUNICHI
KITANI NOBUO
KITANI NOBUO
Application Number:
JP18952496A
Publication Date:
February 10, 1998
Filing Date:
July 18, 1996
Export Citation:
Assignee:
ITOKI CREBIO CORP
International Classes:
A47B9/00; A47B17/00; A47B21/00; A47B37/00; (IPC1-7): A47B9/00; A47B17/00; A47B37/00
Attorney, Agent or Firm:
Akio Ishii (2 outside)