Cooling fan

- Sanyo Denki Co., Ltd.
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Description

FIG. 1 is a front view of the cooling fan embodying our new ornamental design and with environmental structure shown in phantom.

FIG. 2 is a rear view of the cooling fan shown in FIG. 1.

FIG. 3 is a cross sectional view showing one blade.

FIG. 4 is another cross sectional view with the cooling fan inverted showing one blade.

FIG. 5 is an edge view of a blade.

FIG. 6 is the view of FIG. 5 inverted.

FIG. 7 is a perspective view of the cooling fan showing one blade in isolation.

FIG. 8 is a front view of a single cooling fan blade similar to the view in FIG. 1 but without the environmental structure shown in phantom.

FIG. 9 is a rear view of a single cooling fan blade similar to the view in FIG. 2 but without the environmental structure shown in phantom.

FIG. 10 is a side view of a single cooling fan blade similar to the view in FIG. 3 but without the environmental structure shown in phantom.

FIG. 11 is a inverted view of a single cooling fan blade similar to the view in FIG. 4 but without the environmental structure shown in phantom.

FIG. 12 is a edge view of a single cooling fan blade similar to the view in FIG. 5 but without the environmental structure shown in phantom.

FIG. 13 is an inverted edge view of a single cooling fan blade similar to the view in FIG. 6 but without the environmental structure shown in phantom.

FIG. 14 is a perspective view of a single cooling fan blade indicating the location of cross-sectional views A-A and B-B found in FIGS. 15 and 16 respectively.

FIG. 15 is a cross-sectional view of the blade shown in FIG. 14 from location A-A; and,

FIG. 16 is a cross-sectional view of the blade shown in FIG. 14 from location B-B.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design.

Claims

The ornamental design for a cooling fan, as shown and described.

Referenced Cited
U.S. Patent Documents
D191401 September 1961 Gesmar
D507640 July 19, 2005 Chiu et al.
D508560 August 16, 2005 Chiu et al.
D564653 March 18, 2008 Iwase et al.
D565171 March 25, 2008 Lin
D570471 June 3, 2008 Iwase et al.
D663689 July 17, 2012 Lee
D668606 October 9, 2012 Lee
D681188 April 30, 2013 Hu et al.
D683840 June 4, 2013 Rasmussen
D688783 August 27, 2013 DeFilippis
20130022479 January 24, 2013 Haaf et al.
Patent History
Patent number: D700312
Type: Grant
Filed: Apr 26, 2012
Date of Patent: Feb 25, 2014
Assignee: Sanyo Denki Co., Ltd. (Tokyo)
Inventors: Naoya Inada (Tokyo), Jiro Watanabe (Tokyo)
Primary Examiner: Susan Bennett Hattan
Assistant Examiner: Janice Hallmark
Application Number: 29/419,217
Classifications
Current U.S. Class: Fan Or Ventilator Blade (D23/413)