Casing of a kitchen range hood

Details Casing of a kitchen range hood Casing of a kitchen range hood

2000-10-26

2001-09-04

Yeung, James C. (Department: 3743)

Stoves and furnaces

Stove hoods

C126S29900R

Reexamination Certificate

active

06283117

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a casing of a kitchen range hood wherein the casing is a quarter of a spherical shell and oil particles will not be stuck on the smooth surface.
BACKGROUND OF THE INVENTION
A conventional casing
10
kitchen range hood is shown in FIG.
1
and generally includes a main plate
11
which has a hole for connection a pipe, two side plates
12
which are connected to two ends of the main plate
11
by way of welding or riveting along flanges on the periphery of the side plates
12
, and a rear plate
13
which is connected to the main plate
11
and the two side plates
12
by the same way as the connection of the side plates
12
and the main plate
11
. Each of the main plate
11
, the two side plates
12
and the rear plate
13
are made separately and the respective flanges are made so as to connect to each other. The manufacturers have to spend a lot of time to cut, punch, bend and weld these separate items. Of more importance is that the convention casing
10
involves many angled or narrow corners or areas and splits which stock oil particles and are difficult to clean.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a casing of a kitchen range hood and comprising a quarter-sphere casing which includes a first semi-sphere circumference and a second semi-sphere circumference. A flat surface is defined in the casing and communicates with the first semi-sphere circumference. A hole is defined through the flat surface. A flange extends radially outward from the second semi-sphere circumference and an aperture is defined through the quarter-sphere casing. A support board extends inward from a rear plate of the quarter-sphere casing for a motor and fans supported thereon.
The primary object of the present invention is to provide a casing for a kitchen range hood wherein the casing is easily to made and requires less welding or riveting processes.
These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention.


REFERENCES:
patent: 1477590 (1923-12-01), Powell
patent: 1740668 (1929-12-01), Schierer
patent: 1827956 (1931-10-01), Sharpe

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