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 8804330 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 12, 2014

Filed:

Oct. 19, 2011
Applicants:

Biao Zeng, Wuhan, CN;

Zhi-guo Zhang, Wuhan, CN;

Heng Tao, Wuhan, CN;

Chao Geng, Wuhan, CN;

Inventors:

Biao Zeng, Wuhan, CN;

Zhi-Guo Zhang, Wuhan, CN;

Heng Tao, Wuhan, CN;

Chao Geng, Wuhan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electronic device includes a computer, a circuit board, a supporting base attached to a top surface of the circuit board, and a backboard attached to a bottom surface of the circuit board. The case includes a bottom plate. The circuit board defines a through hole. A CPU is located on the supporting base. The backboard defines a retaining hole. The supporting base defines a fixing hole. A heat sink is attached to the supporting base and contacted the CPU. A fixing member is engaged with the retaining hole, the fixing hole and the through hole, to engage the backboard and the supporting base to the circuit board.


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