Tri-pod portable fan

Details Tri-pod portable fan Tri-pod portable fan

1991-07-08

1994-04-19

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Protective screen or guard

Water or marine propellers

416246, 2481882, F01D 2500

Patent

active

053040406

ABSTRACT:
An air blower including a rear housing defining a plurality of air inlet openings; a front housing having an annular peripheral portion secured to the rear housing, a central support portion within the peripheral portion and including a rear surface facing the rear housing and an oppositely directed front surface, and a grillwork portion extending between the peripheral portion and the support portion; and a fan assembly secured to the rear surface and projecting toward the rear housing, the fan assembly including an electrical motor and a fan blade rotatably coupled therewith, an electrical switch operatively connected to the motor, and an actuator operatively coupled to the electrical switch and projecting outwardly from the front surface. Mounting of the fan assembly on the central support portion simplifies assembly and minimizes external size of the blower.

REFERENCES:
patent: D323708 (1992-02-01), Wang
patent: 2281769 (1942-05-01), Hochriem
patent: 2476692 (1949-07-01), Bernstein
patent: 2544281 (1951-03-01), Seil
patent: 2600325 (1952-06-01), Reisch
patent: 2857095 (1958-10-01), Suarez et al.
patent: 3927853 (1975-12-01), Guth
patent: 4925137 (1990-05-01), Hastings
patent: 4927324 (1990-05-01), Coup et al.
patent: 5131810 (1992-07-01), Wang

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