Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure
Reexamination Certificate
1999-07-27
2001-01-09
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Support mounting, carrier or fairing structure
Reexamination Certificate
active
06171061
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention is related to an improvement in the structure of a suspending bracket for ceiling fans and in particular to one which can be easily assembled.
2. Description of the Prior Art
It has been found that the conventional suspending bracket for ceiling fans is generally composed an upper member and a lower member. However, it is very difficult to align the holes of the lower member with the screws of the upper member and there is little space for turning the screws to engage the lower member with the upper member thereby causing much inconvenience in operation and therefore wasting time and money.
Therefore, it is an object of the present invention to provide an improvement in the structure of a suspending bracket for ceiling fans which can obviate and mitigate the above-mentioned drawbacks.
SUMMARY OF THE INVENTION
This invention is related to an improvement in the structure of a suspending bracket for ceiling fans.
According to a preferred embodiment of the present invention, a suspending bracket for ceiling fans includes a U-shaped upper member having a C-shaped base and two upright arms at two opposite sides of the C-shaped base, each of the upright arms being provided with an outwardly extending sectorial flange which is formed with a radial slot and a raised portion on the top, the sectorial flange having a corner formed with a blind hole in which is fitted a spring and a steel ball so that a top of the steel ball protrudes upwardly out of the blind hole, and an inverted conical lower member formed with two inwardly extending lugs at two opposite upper edges thereof and a through hole at a center thereof, each of the lugs having a hole adapted to engage with a top of the steel ball, whereby when in use, the U-shaped upper member is first secured, cured to a ceiling by extending screws through the radial slots so that there is a clearance between the sectorial flange and a ceiling, a suspending rod of a ceiling fan extends through the through hole of the inverted conical lower member to engage with a hemispherical block which is larger than the C-shaped base in diameter so that the hemispherical block will not drop out of the upper member, and thereafter, the lower member is moved upwardly and tuned to fit into the clearance so that the steel ball is engaged with the hole of the lugs thereby keeping the lower member in place.
It is the primary object of the present invention to provide an improvement in the structure of a suspending bracket for ceiling fans which can be easily assembled.
It is another object of the present invention to provide an improvement in the structure of a suspending bracket for ceiling fans which is simple in construction.
The foregoing objects and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
REFERENCES:
patent: 4634345 (1987-01-01), Stanek et al.
patent: 5151011 (1992-09-01), Rezek
patent: 5613832 (1997-03-01), Su
patent: 5947436 (1999-09-01), Bucher
patent: 6042072 (2000-03-01), Chi-Nan
A & J
Look Edward K.
Nguyen Ninh
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