Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure
Reexamination Certificate
1999-08-23
2001-03-13
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Support mounting, carrier or fairing structure
C416S005000, C248S343000
Reexamination Certificate
active
06200099
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a ceiling fan frame and a motor casing which has two pairs of lugs and the frame has a resilient member to be engaged between the two lugs so that the assembler can connect the frame and the casing quickly.
BACKGROUND OF THE INVENTION
Referring to
FIG. 1
, a conventional ceiling fan includes a frame
20
to be fixedly connected to the ceiling
70
by bolts
40
and a motor
10
is connected to the frame
20
. A motor casing
30
is mounted to the motor
10
and connected to the frame
20
. The frame
20
has an upward flange
90
through which a plurality of holes
60
are defined. The motor casing
30
has a plurality of apertures
50
defined in the wall thereof so that when connecting the motor casing
30
to the frame
20
, the assembler has to lift the motor casing
30
and aligns the apertures
50
in the motor casing
30
with the holes
60
in the flange
90
of the frame
90
so that the assembler can insert the bolts
400
through the apertures
50
and the holes
60
. However, the assembler has to pay a hard effort to maintain the motor casing
30
in the air to align the apertures
50
and the holes
60
. Furthermore, there is a narrow space between the ceiling
70
and the frame
20
so that it is difficult for the assembler to tighten the bolts
400
.
The present invention intends to provide a frame and a motor casing wherein the motor casing is easily and quickly connected to the frame so that the assembler does not need to hold the motor casing in the air. This allows the assembling time to be reduced and the assembling work is simplified.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, a combination of a ceiling fan frame and a motor casing is provided and the motor casing has two pairs of lugs extending radially inward from the periphery thereof. The frame has a flange to which two positioning means are connected. Each positioning means has a resilient member which is engaged between the two lugs corresponding to the positioning means so that the motor casing is connected to the frame within a short period of time.
The main object of the present invention is to provide a combination of a ceiling fan frame and a motor casing wherein the motor casing is connected to the frame without using a bolt so as to save much assembling time.
Another object of the present invention is to provide a combination of a ceiling fan frame and a motor casing wherein the motor casing is connected to the frame by a triangular resilient member.
Further objects, advantages, and features of the present invention will become apparent from the following detailed description with appropriate reference to the accompanying drawings.
REFERENCES:
patent: 4428032 (1984-01-01), Workman
patent: 5034869 (1991-07-01), Choi
patent: 6027310 (2000-02-01), Kerr, Jr. et al.
patent: 6042072 (2000-03-01), Chi-Nan
patent: 6062816 (2000-05-01), Chang
Kamrath Alan
Look Edward K.
McDowell Liam M
Rider Bennett Egan & Arundel, LLP.
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