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:
Apr. 22, 2008

Filed:

Apr. 28, 2006
Applicants:

Cui-jun LU, Shenzhen, CN;

Song-shui Liu, Shenzhen, CN;

Inventors:

Cui-Jun Lu, Shenzhen, CN;

Song-Shui Liu, Shenzhen, CN;

Assignees:

Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Shenzhen, Guangdong Province, CN;

Foxconn Technology Co., Ltd., Tu-Cheng, Taipei Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heat dissipation device includes a heat sink having a heat conducting core and a plurality of fins extending from the core. The core has a downward extension portion extending away the fins for contacting a heat generating device. A locking device includes a locking plate defining a central opening accommodating the extension portion of the core of the heat sink therein and has a plurality of locking arms extending from the locking plate. Pluralities of cutouts circumferentially surrounding and communicating with the opening are defined in the locking plate. The extension portion of the core of the heat sink is punched to press the locking plate of the locking device toward the heat sink and have portions thereof engaged in the cutouts of the locking plate of the locking device, whereby the locking device is stably fixed to the heat sink.


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