Title:
LINEAR MOTION GUIDE APPARATUS AND TABLE TRANSFER APPARATUS
Document Type and Number:
WIPO Patent Application WO/2000/029756
Kind Code:
A1
Abstract:
A linear motion guide apparatus wherein balls are retained from front and rear sides thereof in load ball raceway grooves (5, 10) by ball retaining portions (21) of ball chains (20) to prevent the balls from falling, opposed surfaces of a track rail and a movable block being drawn close to connecting portions to increase the depth of the load ball rolling grooves (5, 10) with a shape of a cross section of each ball rolling groove which is perpendicular to the axial direction thereof set close to the shape of an outer circumference of a central cross section of each ball.
Inventors:
TERAMACHI HIROSHI (JP)
Application Number:
PCT/JP1998/005162
Publication Date:
May 25, 2000
Filing Date:
November 17, 1998
Export Citation:
Assignee:
THK CO LTD (JP)
TERAMACHI HIROSHI (JP)
TERAMACHI HIROSHI (JP)
International Classes:
F16C29/06; B23Q1/40; B23Q1/58; F16C29/00; F16C33/38; F16C33/42; (IPC1-7): F16C29/06
Foreign References:
| JPH1089359A | 1998-04-07 | |||
| JPH1068417A | 1998-03-10 | |||
| JPH0253517U | 1990-04-18 | |||
| JPH06323331A | 1994-11-25 |
Other References:
See also references of EP 1055834A4
Attorney, Agent or Firm:
Ishikawa, Yasuo (4F 17-11, Shiba 2-chome Minato-ku Tokyo, JP)
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