Title:
LINEAR BEARING AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
WIPO Patent Application WO/1993/006377
Kind Code:
A1
Abstract:
A linear bearing which is easy to manufacture and has a necessary and satisfactory mechanical rigidity, and a method of manufacturing the same. The invention is characterized in that a slider (1) for guiding a movable body such as a table along a track rail (2) comprises a thin plate-shaped ball rolling plate (6) provided with a load ball groove (61), in which a ball (5) rolls, and a thin plate-shaped mounting plate (7), to which the movable body is fixed, and these ball rolling plate (6) and mounting plate (7) are insert-molded from a molding material (8) such as resin or diecast metal. On the other hand, the track rail (2) is formed of a metal material (21) provided with a characteristic of being improved in surface hardness by the plastic working, and the ball rolling groove (23) is worked on to have a predetermined surface hardness during the plastic working.
Inventors:
TERAMACHI HIROSHI (JP)
Application Number:
PCT/JP1992/001186
Publication Date:
April 01, 1993
Filing Date:
September 17, 1992
Export Citation:
Assignee:
THK CO LTD (JP)
International Classes:
F16C29/00; F16C29/06; F16C33/64; (IPC1-7): F16C29/06
Foreign References:
| JPH0243521U | 1990-03-26 | |||
| JPH0214824U | 1990-01-30 | |||
| JPS61180016A | 1986-08-12 | |||
| JPS6179021A | 1986-04-22 | |||
| JPH02261924A | 1990-10-24 |
Other References:
See also references of EP 0558761A4
Download PDF:
Previous Patent: LOCKING ASSEMBLY FOR BALL AND SOCKET JOINT
Next Patent: SEALING ARRANGEMENT FOR BEARING BUSHES
Next Patent: SEALING ARRANGEMENT FOR BEARING BUSHES