Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2007-09-04
2007-09-04
Thompson, Greg (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C257S718000, C257S719000, C024S457000, C248S505000, C248S510000, C361S710000
Reexamination Certificate
active
11193119
ABSTRACT:
A frame of a heat sink for a CPU in a computer includes a quadrilateral frame member and four stop plates. One of two opposite sides of the quadrilateral frame member has an opening block step with a length being equal to the width of the heat sink and the bottom of the block step is the same elevation as the top of the second side. The distance between two of the stop plates, which are disposed at both ends of the first side, is equal to the length of the first side. A reinforcing rib is disposed between another two of the stop plates, which are disposed at both ends of the second side, and is parallel to the second side with an elevation higher than the top of the second side and a distance between the inner surface of the reinforcing rib and the block step is equal to the depth of the heat sink for increasing strength and rigidity of the frame against deformation and preventing the heat sink from swaying.
REFERENCES:
patent: 6570763 (2003-05-01), McHugh et al.
patent: 6574109 (2003-06-01), McHugh et al.
patent: 6707674 (2004-03-01), Bryant et al.
patent: 6757965 (2004-07-01), Colbert et al.
patent: 6791847 (2004-09-01), Ma
patent: 7133288 (2006-11-01), DelPrete et al.
patent: 2003/0231479 (2003-12-01), Ma
Asia Vital Component Co., Ltd.
Thompson Greg
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