Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Distally supported on radial arm
Reexamination Certificate
1999-10-28
2001-07-17
Verdier, Christopher (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Distally supported on radial arm
C416S005000, C416S20400A, C416S205000, C416S206000, C416S22000A, C416S221000, C403S315000, C403S329000, C403S363000, C403S375000
Reexamination Certificate
active
06261064
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an engagement of a ceiling fan bracket and a motor casing. The motor casing has a plurality of L-shaped holes and the ceiling fan bracket has an end connected to a connector which is securely engaged with a narrow portion of the L-shaped hole, wherein the narrow portion is located toward the direction of the eccentric force when the ceiling fan is rotated.
BACKGROUND OF THE INVENTION
FIG. 1
shows a conventional engagement of the motor casing
12
and a conventional ceiling fan bracket
11
. The ceiling fan bracket
11
has a first end with a frame
110
for connection with the ceiling fan blade (not shown), and a second end of the ceiling fan bracket
11
has a plate
111
which has two holes defined therethrough. The motor casing
12
has a plurality of apertures
120
so that the plate
111
is firmly connected to the motor casing
12
by extending bolts
10
through aligned holes in the plate
111
and the apertures
120
in the motor casing
12
. However, when the ceiling fan rotates, the bolts
10
tend to be loosened and noise generates due to the loosened bolts
10
. Besides, to engage the bolts
10
one by one takes a lot of time.
The present invention intends to provide a combination of ceiling fan bracket and a motor casing, wherein the ceiling fan bracket has two wings and the motor casing has a plurality of L-shaped holes so that the two wings are securely engaged with a narrow portion of the L-shaped holes. The eccentric force applied to the ceiling fan bracket makes the ceiling fan bracket be engaged with the hole securely.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a combination of a ceiling fan bracket and a motor casing, wherein the ceiling fan racket has an end with two L-shaped wings respectively extending therefrom and a connector is connected to the end of the ceiling fan bracket. The connector has two tongues extending therefrom.
The motor casing has a plurality of L-shaped holes defined therethrough and each L-shaped hole includes a wide portion located close to a center of the motor casing and a narrow portion located close to a periphery of the motor casing. Each wing is engaged with the narrow portion of the L-shaped hole and each tongue of the connector is engaged with the wide portion of the L-shaped hole.
The object of the present invention is to provide an engagement of a ceiling fan bracket and a motor casing, the ceiling fan bracket being secured to the L-shaped hole in the motor casing when the eccentric force is applied to the ceiling fan bracket.
Another object of the present invention is to provide a ceiling fan bracket which is engaged with the motor casing quickly and easily.
REFERENCES:
patent: B1 5951197 (1999-09-01), Wu
patent: B1 5954449 (1999-09-01), Wu
patent: B1 5980353 (1999-11-01), Wu
patent: B1 6059531 (2000-05-01), Tai
patent: B1 6149388 (2000-11-01), Liao
Baxley Charles E.
Verdier Christopher
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