Linear motion drive system

Bearings – Linear bearing – Roller bearing

Reexamination Certificate

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Details

C384S010000

Reexamination Certificate

active

10923675

ABSTRACT:
The linear motion drive system is capable of automatically remove a clearance between a moving body and a linear shaft when the moving body and/or the linear shaft is abraded. The linear motion drive system comprises: the moving body linearly and reciprocally moved along the linear shaft; a contact body contacting the linear shaft; and a pressure unit provided to the moving body, the pressure unit pressing the contact body so as to apply pressure to the linear shaft. The pressure unit includes: a press section contacting and pressing the contact body; a biasing member biasing the press section toward the linear shaft; and a locking mechanism holding the press section.

REFERENCES:
patent: 4231621 (1980-11-01), Teramachi
patent: 4515414 (1985-05-01), Werth, Jr.
patent: 5273367 (1993-12-01), Tanaka
patent: 6174084 (2001-01-01), Pauwels et al.
patent: 6179468 (2001-01-01), Thorstens et al.
patent: 6679631 (2004-01-01), Iida
patent: 577995 (1994-01-01), None
patent: 7-54843 (1995-02-01), None
patent: 2002-122136 (2002-04-01), None

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