Patent Publication Number: US-D487310-S

Title: Fan casing with air flow rib structure

Description:
FIG. 1 is a perspective view of a fan casing with air flow rib structure, in accordance with the present invention; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a rear elevational view thereof; 
     FIG. 4 is a left side elevational view thereof; 
     FIG. 5 is a right side elevational view thereof; 
     FIG. 6 is a top plan view thereof; 
     FIG. 7 is a bottom plane view thereof; 
     FIG. 8 is a cross-sectional view taken along the line 8—8 in FIG. 3; 
     FIG. 9 is a cross-sectional view taken along the line 9—9 in FIG. 3; and, 
     FIG. 10 is an enlarged cross-sectional view taken along the line 10—10 in FIG. 3.