Pumps – Motor driven – Pump and motor unitarily adjustable relative to fixed support
Patent
1975-01-31
1976-06-15
Husar, C. J.
Pumps
Motor driven
Pump and motor unitarily adjustable relative to fixed support
415121G, 416247R, 417234, F04B 4910
Patent
active
039633829
ABSTRACT:
A portable air circulating fan, especially a high velocity fan in which a rotary air impeller is mounted on the shaft of an electric motor while a guard is provided which encloses the impeller and may enclose part or all of the motor, and which guard is formed into separable forward and rearward sections. The electric motor for the fan is supported on one of the guard sections near the center, especially the rearward guard section, while a support frame is provided for the fan having a base portion and a pair of spaced upstanding legs which are connected to the sides of the guard, and about which points of connection the fan is tiltable. Advantageously, the legs are also connected to the rearward guard section but may, alternatively, be connected to the forward guard section. In this manner the rotating air impeller is guarded at all times.
The guard sections each comprise a center ring member and extending substantially radially from the center ring are wires which incline radially outwardly and inwardly to a peripheral outer ring. The radial wires may be provided with strengthening rings if desired.
REFERENCES:
patent: 2123448 (1938-07-01), Weber
patent: 2378012 (1945-06-01), Herbster
patent: 2498968 (1950-02-01), Viewegh
patent: 2633293 (1953-03-01), Jones
patent: 2857095 (1958-10-01), Grau
patent: 3446429 (1969-05-01), Suzuki et al.
patent: 3791333 (1974-02-01), Losch
Husar C. J.
Jeffers Albert L.
Rickert Roger M.
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