Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure
Reexamination Certificate
2002-11-12
2004-07-13
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Support mounting, carrier or fairing structure
C416S21000A, C248S342000, C439S537000, C403S316000
Reexamination Certificate
active
06761540
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a suspension device, and more particularly to a suspension device for a ceiling fan.
2. Description of Related Art
With reference to
FIGS. 9 and 10
that show a conventional ceiling fan in accordance with the prior. For conveniently packing the conventional ceiling, the motor (
81
), the hollow shaft (
82
), the bearing seat (
83
) and the bracket (
84
) are respectively packed. Consequently, when assembling ceiling fan, a lower end of the hollow shaft (
82
) is connected to a base member (
802
) that is secured on the motor (
81
) of the ceiling fan by a pin (
85
). The upper end of the hollow shaft (
82
) is inserted into the bearing seat (
83
). A pin (
86
) extends through the hollow shaft (
82
) and a locking member (
87
) inserted to abut the hollow shaft (
82
) to prevent the hollow shaft (
82
) from detaching from the bearing seat (
83
). The bearing seat (
83
) is engaged in the bracket (
84
) that is mounted to the ceiling such that the motor (
81
) and the hollow shaft (
82
) are secured on the ceiling by the bracket (
84
). Finally, the electric cords (
88
,
89
) are connected to each other to finish the assembling process.
The hollow shaft (
82
) and the bearing seat (
83
) are connected by a pin (
86
), and the motor (
81
) and the hollow shaft (
82
) are connected by a pin (
85
). However, the motor (
81
) of a ceiling fan is very heavy such that another assembler is necessary to upwardly hold the motor (
81
) when mounting the pin (
86
). Consequently, the conventional suspension device for a ceiling fan is an inconvenient design for DIY.
The present invention has arisen to mitigate and/or obviate the disadvantages of the conventional suspension device for a ceiling fan.
SUMMARY OF THE INVENTION
The main objective of the present invention is to provide an improved suspension device for a ceiling fan.
To achieve the objective, the suspension device for a ceiling fan in accordance with the present invention comprises a bracket mounted on the ceiling. A bearing seat is engaged in the bracket. A central hole is defined and extends through the bearing seat. A first slot and a second slot are defined in an inner periphery of the central hole. A first indention and a second indention are defined in a top portion of the bearing seat. A cover is mounted to the top portion of the bearing seat. The cover includes a first channel defined to communicate with the first slot and a second channel defined to communicate with the second slot and the second indention. A shaft is partially received in the central hole. A pin extends through the hollow shaft and has two opposite ends selectively engaged in the bearing seat.
Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
REFERENCES:
patent: 6176736 (2001-01-01), Hsu
patent: 6305974 (2001-10-01), Tseng
patent: 6322232 (2001-11-01), Oliver
patent: 6364612 (2002-04-01), Tseng
Look Edward K.
McAleenan James
Rosenberg , Klein & Lee
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