The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2001
Filed:
Jun. 14, 1999
Hiroshi Teramachi, Tokyo, JP;
THK Co., Ltd., Tokyo, JP;
Abstract
An object of this invention is to provide a linear motion guide device and a table guide device having an automatic controllability and to realize a load bearing structure having a high rigidity. The device is characterized in that a movable block (,) is formed to provide an L-shape in section, rolling ball rows (B,-B,) are disposed to be rollable between ball rolling grooves formed to an upper surface of a track rail (,) and a horizontal portion of the movable block (,) and between ball rolling grooves formed to a side surface of the track rail (,) and a suspending portion (,), wherein each of the ball rolling grooves has a circular-arc-shape in section having a deep-groove shape having a groove depth of approximately ⅓ to ½ of a diameter of the rolling ball.