Title:
CONCRETE FLOOR LEVELING DEVICE
Document Type and Number:
Japanese Patent JP3037199
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a device simple and inexpensive in structure and capable of leveling a concrete floor in an absolute horizontal surface.
SOLUTION: A concrete floor leveling device is furnished with an oscillating cylinder 5 the lower part of which is supported on a tripod made of a tripod 1 and legs 2 by a universal joint mechanism 10 free to oscillate. It is constituted of a vertical motion cylinder 22 fitted and inserted in the oscillating cylinder 5 free to vertically move, a rotary shaft 23 fitted and inserted in the vertical motion cylinder 22 free to rotate and free to move vertically with the vertical motion cylinder 22, a levelling bar 24 provided on a lower end of the rotary shaft 23 orthogonal with the rotary shaft 23, vertical detection devices 31, 32, 34X, 35X, 34Y provided on the oscillating cylinder 5 and an operation rod 26 to turn the levelling bar 24.
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Inventors:
Koike Tsugiko
Application Number:
JP13284697A
Publication Date:
April 24, 2000
Filing Date:
May 07, 1997
Export Citation:
Assignee:
Koike Tsugiko
International Classes:
E04G21/10; (IPC1-7): E04G21/10
Attorney, Agent or Firm:
Yoshinori Tanabe