Fluid reaction surfaces (i.e. – impellers) – Ambulant – body supported or with carrying handle
Reexamination Certificate
2006-03-14
2006-03-14
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Ambulant, body supported or with carrying handle
C416S24700A, C415S121200
Reexamination Certificate
active
07011500
ABSTRACT:
A ventilation fan that functions as a wheel for movements. The generally cylindrical fan housing is pivotally coupled to a triangular handle. The handle may be manually grasped to roll the fan towards an operative position. The handle may be positioned in a temporary storage position, and an inverted, operative position where the drum is elevated for stable use. The drum-shaped fan rolls on its own, and the fan radius becomes the rolling radius. The preferred handle is attached to suitable bearings secured to the guards at the center of each side of the fan. When the destination is reached, the handle is deployed upside-down to function as a support stand, and the fan remains in a stable orientation without moving or shifting its position during operation.
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Carver Stephen D.
Kershteyn Igor
Look Edward K.
Triangle Engineering of Arkansas Inc.
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