THREE DIMENSIONAL GUIDE

Title:

THREE DIMENSIONAL GUIDE

Document Type and Number:

WIPO Patent Application WO/1999/011942

Kind Code:

A1

Abstract:

A three dimensional guide, which is installed between the ground and a structure and minimizes transmission of vibration of the ground to the structure. The guide is provided with a first curve guide (21) mounted on a base (23), a second curve guide (22) having a moving plane which intersects a moving plane of the first curve guide (21), and an intermediate member (24) which connects the first curve guide (21) and the second curve guide (22) to each other. Each of the first and second curve guides (21, 22) is provided with a track rail (1) having a plurality of rows of rolling body rolling grooves, a bearing block (10) having a plurality of rows of rolling body rolling grooves and no-load rolling body passages, and a multiplicity of balls (9) which bear loads between the rolling body rolling grooves of the track rail (1) and the rolling body rolling grooves of the bearing block (10). Two surfaces of the intermediate member (24) have respectively cylindrical recesses (241, 242) which are opened to permit the bearing block (10) to be rotatably fitted therewith.

Inventors:

ISHIKAWA HIROKAZU (JP)
KONOMOTO MASASHI (JP)
SUGA YOSHIKAZU (JP)

Application Number:

PCT/JP1998/003949

Publication Date:

March 11, 1999

Filing Date:

September 03, 1998

Export Citation:

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Assignee:

THK CO LTD (JP)
ISHIKAWA HIROKAZU (JP)
KONOMOTO MASASHI (JP)
SUGA YOSHIKAZU (JP)

International Classes:

B23Q1/48; B23Q1/50; B23Q1/54; B23Q1/60; E04H9/02; B23Q1/62; B23Q11/00; F16C29/00; F16C29/06; F16F15/02; F16F15/00; (IPC1-7): F16C29/06; F16F15/02; F16F15/04

Foreign References:

JPH0972333A	1997-03-18
JPS5343158A	1978-04-19
JPH08226442A	1996-09-03

Other References: