U.S. patent number 3,757,664 [Application Number 05/264,609] was granted by the patent office on 1973-09-11 for cloth ventilator.
Invention is credited to Domina C. Jalbert.
United States Patent |
3,757,664 |
Jalbert |
September 11, 1973 |
CLOTH VENTILATOR
Abstract
A cloth ventilator having an upper half formed of an X
cross-section and a lower half formed as a diffuser of square
cross-section, said part of X cross-section extending into said
part of square cross-section. The bottom of said cloth ventilator
having means for holding it open and fixing it within a hatchway
and the top of said ventilator having means for supporting said X
cross-section so that a wind can blow into said ventilator from any
direction and be directed downwardly into said bottom section. Said
ventilator has a top which is spaced from the top of said X
cross-sectional portion so that a gust of wind can pass
therebetween and not place too great a strain on the material, the
top having a support rope connected to a support on a mast above
the deck of a boat.
Inventors: |
Jalbert; Domina C. (Boca Raton,
FL) |
Family
ID: |
23006836 |
Appl.
No.: |
05/264,609 |
Filed: |
June 20, 1972 |
Current U.S.
Class: |
454/276; 52/219;
52/199; 114/211 |
Current CPC
Class: |
F24F
7/02 (20130101); B63J 2/02 (20130101) |
Current International
Class: |
F24F
7/02 (20060101); B63J 2/02 (20060101); B63J
2/00 (20060101); F24f 017/02 () |
Field of
Search: |
;98/37,64,82
;52/63,198,199X,218,219X ;135/14H,14V ;114/211X |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: O'Dea; William F.
Assistant Examiner: Ferguson; Peter D.
Claims
I claim:
1. A ventilator for receiving a wind and directing it downwardly
therefrom, said ventilator having its upper part formed of X
cross-section for its entire length, a lower part formed of square
cross-section, said upper and lower parts being formed of flexible
material, the lower section of the upper part formed of X
cross-section extending into the upper section of said square
cross-section part, the bottom section of said lower part having
means for holding it open and fixing it within an opening, the top
of said upper part having means for supporting the upper section of
the upper part of said X cross-section while the remainder hangs
loosely therefrom, a top fixed to the upper portion of said upper
part, said top being spaced from said upper part so that the
portion of a wind which is excessive can pass therethrough without
placing too great a strain on the ventilator.
2. A ventilator as set forth in claim 1 wherein a tab means is
located at each end of the upper part formed of X cross-section,
each of said tabs being fixed to said top, the length of said tabs
predetermining the distance that the top is spaced from said upper
part.
3. A ventilator as set forth in claim 2 wherein a second tab means
extends upwardly from the center of said upper part formed of X
cross-section, a rope-like means passing through a hole in said top
being connected to said second tab means for supporting said
ventilator.
4. A ventilator as set forth in claim 3 wherein the end of each of
said tab means has a hole aligned with a hole in said top, rigid
support members extending between opposite holes along the members
forming the X shape.
5. A ventilator as set forth in claim 4 wherein the rigid support
members extend through the second tab means.
6. A ventilator as set forth in claim 1 wherein the means for
holding the bottom section open and fixing it within an opening
comprises rigid holding members extending between holes located in
opposite corners of the bottom of said lower part.
7. A ventilator as set forth in claim 1 wherein the lower part
formed of square cross-section has the area increasing from the top
to the bottom thereof, the upper part of X cross-section being of
the same size for its entire length.
Description
BACKGROUND OF THE INVENTION
This invention relates to ventilating devices and contains
improvements advancing the art. A ventilator of this type is shown
in U. S. Pat. No. 59,264.
SUMMARY OF THE INVENTION
An object of this invention is to provide a removable ventilating
device which can be used on a boat to direct an air flow into a
living space below deck and yet be storable in a small space when
not needed.
Another object of the invention is to provide a ventilator which
will permit the passage of air therethrough when the wind presents
gusts which are too great for the ventilator to handle.
A further object of the invention is to provide a diffusing section
so that the area of the lower section will increase at its top as
soon as air flow enters.
Another object of the invention is to provide means for maintaining
the ventilator open and in a hatchway and another means for
supporting the upper section of X cross-section so that it is in
position to receive a wind when one is available.
DESCRIPTION OF THE DRAWINGS
FIG. 1 is an elevational view, partially in section, of a
ventilator device incorporating the invention.
FIG. 2 is a top view of the boat ventilator shown in FIG. 1.
FIG. 3 is a view taken along the line 3--3 of FIG. 1.
FIG. 4 is a view taken along the line 4--4 of FIG. 1.
FIG. 5 is a perspective view of the supporting means for the boat
ventilator with the top removed.
DESCRIPTION OF THE PREFERRED EMBODIMENT
As shown in FIG. 1, this boat ventilator 2 is formed comprising two
main parts, the top part 4 for receiving air flow and a bottom,
diffuser shaped, part 6 for receiving the flow deflected therefrom
and directing it into the hold of a boat. The upper part 4 is
formed from a fabric, and as seen in FIG. 3, is formed of an
X-shaped cross-section. While the length of cloth having an
X-shaped cross-section can be formed in many ways, this section is
formed from two V-shaped sections 12 and 14 of fabric which are
connected along a center line 16. Each V-shaped section is of the
same size from the top to the bottom 17 within the bottom part 6.
The edges of the V-shaped sections are reinforced against wear.
The top edge of the upper portion 4 has a supporting tab member 20
fixed to the free end of each V-shaped member and at the center
where they meet. The tabs at the end corners of the X-shaped fabric
have holes 22 therein to receive the tapered ends 26 of rigid
support members 28 and 30. Each support member extends between the
holes 22 of opposed tabs 20 together forming an X-shape. The center
tab 20 has a loop 21 at the top thereof through which the rigid
support members 28 and 30 extend. A support rope 40 extends through
a hole 42 in a top fabric cover member 44. The top fabric member 44
is formed of a square shape with a hole at each corner for
cooperation with each hole 22 of the ends of the V-shaped members.
The ends of the fabric member 44 overlap each tab 20 and are sewn
thereto so that the holes therein are aligned with the holes 22 of
the tabs 20. A metal grommet reinforces the edges of each set of
holes. The support rope 40 can have a hook member on the free end
so it can be attached to a rope on the mast and held in position
while the boat is anchored. The tab 20 are of such a length so as
to provide a space between the top fabric member 44 and the upper
ends of the V-shaped sections 12 and 14. This provides for
excessive winds to pass therethrough.
The bottom portion 6 is shaped as a square diffuser and has its
lower larger end 50 positioned within a hatch 52 formed in the deck
54 of a boat. The upper smaller end 56 is sewed to the upper
portion 4 adjacent the lower edges of the X-shape. In FIG. 1, the
upper portion 4 is shown extending into the diffuser bottom part
about 20 to 25 percent of its length. It can be seen that with the
V-shaped sections being of the same size from the top to the
bottom, as the wind blows into the cloth ventilator from one side,
the loose hanging cloth will fill out, permitting the opening of
one-fourth of the X-shaped cross-section to be enlarged to permit
the inflow of air through the smaller end 56 of the lower bottom
part 6.
The bottom 50 of the lower bottom part 6 has means to hold it open
and inside of the hatch. The means shown are two more crossed rigid
members 60 and 62 whose ends 64 project through the ventilator and
under the hatch. While this means of attachment has been shown,
other means may be used. The rigid support members 60 and 62 open
the lower exit end of the bottom part 6 and also serve to fix it
with relation to the boat structure. It can be seen that by the
removal of the rigid members 28, 30, 60 and 62, the cloth
ventilator can be stowed in a very small area with no permanent
projection above ordinary boat deck level. In operation, with said
rigid members 60 and 62 in position, they act as a deterrent to one
seeking improper entry to said boat through said ventilator.
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