Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal
Patent
1996-08-30
1997-08-12
Verdier, Christopher
Fluid reaction surfaces (i.e., impellers)
Combined or convertible
Hub lubrication or seal
416 5, 416244R, F04D 2900
Patent
active
056558805
ABSTRACT:
A music box module is attached to a ceiling fan having a control box mounted on an underside thereof and at least one hole defined in a periphery of the control box. The music box module includes a music box mounted in the control box and having at least one slot defined in a periphery thereof and aligning with the hole. A supporting base is mounted on an underside of the music box and has at least one flange extending upwardly from a periphery thereof to be received in an inner wall of the music box. A bore is defined by a threaded portion of the flange and aligns with the slot. A positioning member extends through the hole, the slot and is securely engaged in the bore.
REFERENCES:
patent: 4863346 (1989-09-01), Lin
patent: 4872387 (1989-10-01), Melia
patent: 5462412 (1995-10-01), Scofield et al.
Shieh Kuo-chin
Su Chih-hai
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