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.:
Date of Patent:
Apr. 12, 2011
Filed:
May. 05, 2009
Wei-cheng Nie, Shenzhen, CN;
Hong-cheng Yang, Shenzhen, CN;
Wei-Cheng Nie, Shenzhen, CN;
Hong-Cheng Yang, Shenzhen, CN;
Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Foxconn Technology Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
A heat dissipation device includes a heat sink in which a plurality of mounting holes are defined, and a plurality of fasteners. Each of the fasteners includes a shaft with one end thereof received in a corresponding mounting hole, a sleeve enclosing the shaft and received in the mounting hole, and a fixture engaging the shaft and pressing the heat sink and a bottom end of the sleeve. The sleeve is filled between the end of the shaft and an inner face of the heat sink defining the mounting hole to perform an engagement of the shaft in the mounting hole of the heat sink, thereby fastening the fasteners to the heat sink. The shaft has a screw extending out of the mounting hole for mounting the heat sink on a printed circuit board.