LINEAR MOTION GUIDE AND METHOD OF ASSEMBLING THE SAME

Title:

LINEAR MOTION GUIDE AND METHOD OF ASSEMBLING THE SAME

Document Type and Number:

WIPO Patent Application WO/1994/023219

Kind Code:

A1

Abstract:

A linear motion guide characterized in that a track (11) is provided with two raceway grooves (11a) in an upper surface thereof, and one or two raceway grooves (11b) in side surfaces thereof, a slider (12) being provided in the portions of its recess (12c) which are opposed to the raceway grooves (11a, 11b) in the track (11) with raceway grooves (12a, 12b), the depth of each of the raceway grooves being substantially close to a half of the diameter of a ball rolling therein, a distance between the two raceway grooves (11a) formed in the upper surface of the track (11) and that between these raceway grooves (11a and 11b) formed in the side surfaces of the track being changed variously with respect to the distance between the corresponding raceway grooves (12a, 12b) in the slider (12). This enables the production of a linear motion guide apparatus having an optimum contact angle by setting the distances between the raceway grooves in the track (11) and slider (12) in accordance with load conditions.

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Inventors:

TERAMACHI HIROSHI (JP)

Application Number:

PCT/JP1994/000526

Publication Date:

October 13, 1994

Filing Date:

March 30, 1994

Export Citation:

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Assignee:

THK CO LTD (JP)
TERAMACHI HIROSHI (JP)

International Classes:

F16C29/06; (IPC1-7): F16C29/06

Foreign References:

JPH03199710A	1991-08-30
JPH04102714A	1992-04-03
JPH04366017A	1992-12-17

Other References: