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.:

US 8684604 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 01, 2014

Filed:

Aug. 10, 2012
Applicant:

Feng-tien Chen, Taichung, TW;

Inventor:

Feng-Tien Chen, Taichung, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 29/06 (2006.01); F16C 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A slide rail device includes a guide rail, a slider slidable along the guide rail, and a pair of cylindrical roller train sets disposed at two opposite sides of the guide rail. Each cylindrical roller train set is disposed between the guide rail and the slider, and has a plurality of cylindrical rollers. Each cylindrical roller has a first roller surface portion and a second roller surface portion that is recessed relative to the first roller surface portion. The first roller surface portions of the cylindrical rollers are in rolling contact with the guide rail and the slider, and the second roller surface portions of the cylindrical rollers are free of contact with the guide rail and the slider.


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