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.

Date of Patent:
Jul. 27, 2010

Filed:

Apr. 20, 2007
Applicant:

Ting-hui Chih, Hualien, TW;

Inventor:

Ting-Hui Chih, Hualien, TW;

Assignee:

Qisda Corporation, Taoyuan County, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47F 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A base for a display device. The base comprises a chassis, a rotational element rotatably disposed on the chassis, and an elevator joined to the rotational element. When the rotational element rotates, the elevator moves between a first position and a second position. The rotational element is a cylinder and comprises at least one inclined groove on the periphery of the cylinder. The elevator comprises at least one protrusion engaging the inclined groove. When the rotational element rotates, the protrusion slides in the inclined groove, whereby the elevator moves between the first position and the second position.


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