Engagement of blade brackets and the motor casing for a ceiling

Details Engagement of blade brackets and the motor casing for a ceiling Engagement of blade brackets and the motor casing for a ceiling

1999-01-06

2000-04-11

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Distally supported on radial arm

416 5, 416206, 416220A, 416221, F04D 2934

Patent

active

060481730

ABSTRACT:
A ceiling fan includes a motor casing with an engaging ring connected to the bottom of the motor casing, the engaging ring having a plurality of tapered recesses defined in the bottom thereof and each of the recesses having an open end in the inner periphery of the ring and a closed end on the outside of the ring. Each of the recesses has two grooves defined in the two sides thereof. Each of the fan blade brackets has two flanges to be received in the grooves. The first end of each of the end members is stopped by the closed end of the recess. A plurality of balls movably received in the ring and the balls respectively extend into the respective recesses so as to contact the second end of the end members in the recesses.

REFERENCES:
patent: 2846183 (1958-08-01), Morgan
patent: 5927945 (1999-07-01), Chen
patent: 5980353 (1999-11-01), Wu

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