Rotary kinetic fluid motors or pumps – Plural runners supported for relative motion or on separate... – Serially spaced in working fluid flow path
Reexamination Certificate
2008-09-30
2011-12-13
Gushi, Ross (Department: 2833)
Rotary kinetic fluid motors or pumps
Plural runners supported for relative motion or on separate...
Serially spaced in working fluid flow path
C024S453000, C411S510000
Reexamination Certificate
active
08075250
ABSTRACT:
A fastening device is used for connecting a first and a second fan together. The two fans each have an upper flange and a lower flange and a cylindrical body interconnecting the upper flange and the lower flange. The fastening device includes a plate-shaped pad and two resilient portions respectively extending perpendicularly from two opposite sides of the pad. The two resilient portions respectively extend through the lower flange of the first fan and the upper flange of the second fan, pressing against the first fan and the second fan toward each other. The pad is sandwiched between the lower flange of the first fan and the upper flange of the second fan.
REFERENCES:
patent: 4495380 (1985-01-01), Ryan et al.
patent: D291278 (1987-08-01), Hill
patent: 2008/0031722 (2008-02-01), Yoshida
patent: 2934703 (2007-08-01), None
Cao Hai-Bing
Ding Qiao-Li
Zhou Zhi-Yong
Altis Law Group, Inc.
Foxconn Technology Co., Ltd.
Fu Zhun Precision Industry (Shen Zhen) Co. Ltd.
Gushi Ross
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