Variable size circular fan guard

Details Variable size circular fan guard Variable size circular fan guard

1995-10-31

1997-02-11

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Protective screen or guard

Water or marine propellers

416 2, F04D 2966

Patent

active

056014120

ABSTRACT:
A fan guard for, the guard having an easily adjustable diameter and a fence for protecting people and objects from coming into contact with the rotating fan blades. The frame of the fan guard includes notches within the frame that allow the user to disconnect portions of the fan guard so that the diameter of the fan guard can be made to approximately match the diameter of a circle formed by the ends of the fan blades as the fan blades rotate.

REFERENCES:
patent: 515405 (1894-02-01), Meston
patent: 1228853 (1917-06-01), Varley
patent: 1889567 (1932-11-01), Persons
patent: 3620644 (1971-11-01), McLarty
patent: 4356535 (1982-10-01), Chu
patent: 4818183 (1989-04-01), Schaefer

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