One-piece ceiling fan arm and blade unit

Details One-piece ceiling fan arm and blade unit One-piece ceiling fan arm and blade unit

1997-12-24

1999-10-19

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Distally supported on radial arm

416 5, 416210R, 416241A, F01D 530, F01D 2500, F04D 2938, F03D 1100

Patent

active

059677546

ABSTRACT:
A one-piece injection molded arm and blade unit for a ceiling fan, or the like, in which a blade forms an extension of an arm. At least one web formed on the arm, and at least one other web is formed on the arm and extends at an angle to the first web. The webs serve to add strength to the unit to counteract the various stresses placed on the unit during operation.

REFERENCES:
patent: D357978 (1995-05-01), Young
patent: D377392 (1997-01-01), Liu
patent: D378312 (1997-03-01), Davis, Jr.
patent: 3713753 (1973-01-01), Brunsch
patent: 4671739 (1987-06-01), Read et al.
patent: 4746271 (1988-05-01), Wright
patent: 5304037 (1994-04-01), Scofield
patent: 5403160 (1995-04-01), You
patent: 5458463 (1995-10-01), Chiang
patent: 5458464 (1995-10-01), Lee
patent: 5486094 (1996-01-01), Davis, Jr. et al.

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