Hinged and quick mount guard for an electric fan

Details Hinged and quick mount guard for an electric fan Hinged and quick mount guard for an electric fan

1989-11-01

1991-03-26

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Protective screen or guard

Water or marine propellers

41742314, 403338, F03D 300, F03D 1100

Patent

active

050024620

ABSTRACT:
A hinged and quick mount guard for an electric fan. The fan guard includes a concave, dish-shaped rear guard member having an axial opening for the reception of a fan motor shaft, and a plurality of key holes for the reception of thru-bolts on the fan motor for securing the rear guard member to the fan motor. The fan guard includes a concave, dish-shaped front guard member hingedly and releasably retained on the rear guard member.

REFERENCES:
patent: 2215035 (1940-09-01), Gundelfinger
patent: 2653757 (1953-09-01), Segalman
patent: 3262638 (1966-07-01), Militello
patent: 3787142 (1974-01-01), Dupke
patent: 3791333 (1974-02-01), Losch
patent: 3963382 (1976-06-01), Patton
patent: 4517481 (1985-05-01), Breining
patent: 4657478 (1987-04-01), LaZebnik et al.
patent: 4672234 (1987-06-01), Breining et al.
patent: 4732539 (1988-03-01), Shin-Chin
patent: 4861230 (1989-08-01), Breining
Fan Catalogue of Airmaster Fan Co. of Jackson, Mich., Effective Oct. 30th, 1981.

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