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Патент USA US3041231

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June 26, 1962
B. JUDsoN ETAL.
-
3,041,221
CUSHION PAD WITH PREPRESSURIZED LOAD SUPPORTING CELLS
Filed. DEG. 21, 1959
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United States Patent> (_) M C6
3,041,221
Patented June 26, 1962
2
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portion 25 formed with integral intersecting transverse
3,041,221
CUSHION PAD WITH PREPRESSURIZED LOAD
SUPPORTING CELLS
Barney Judson, 3033 N. 53rd, and Chester R. Piepe
,
RO. Box 701, both of Scottsdale, Ariz.
, .
ribs 27 and longitudinal ribs 218 of greater Width than
the ribs 22 and 23 of the first mentioned element. Each
of the ribs 27 and 28 are formed with intersecting slots
29 which slidingly telescopically receive the ribs 22 and
Filed Dec. 21, 1959, Ser. No. 861,085
2 Claims. (Cl. 154-49)
23 of the element 20 when the elements are assembled
cushion pad having positively sealed air pocket cells con
taining air under a predetermined prepressurized condition
for supporting a load applied to the pad.
Another object of this invention is to provide a cushion
pad structure in which the air pocket cells are automatic
ally sealed up and pressurized during the assembly of the
32 of the slots 29 of the ribs 27 and 28 are coated with a
suitable thermosetting adhesive when the parts :areas
Vsembled which serves as a seal as the parts slide together
to maintain the compressed air in the cells and to lock
together as shown in FIG. 5. The cavities 30 formed by
the ribs 27 and 28 cooperate with th`e cavities 24 formed
by 'ribs 212 and 23 to form totally closed air pressure
This invention pertains to improvements in a cushion
pad with prepressurized load Supporting cells.
10 cells when‘the elements 20 and 26 are assembled together.
Preferably the sides 31 of the ribs 22 and 23 and the sides
One of the objects of this invention is to provide a
ì pad structure elements.
the parts together after they have been lsuitably assembled.
It is to be noted that the extent to which the elements
20 and 26 `are pressed together determines the amount
of prepressurizing provided in the pressurized cells 33.
A further object is to provide a pad structure as above
‘ comprising basic elements assembled together in inter 20 Thus a prepressurized load supporting cell grid is provid
locking fashion to form the completed cushion pad.
And a further object is to provide telescopic sides for
the cells of the two basic elements which regulate and seal
j the pressurized air in the air pocket cells during the
ed for the cushion pad ready to »support work without any
initial deflection inwardly of the pad to get support.
In FIG. 8 is shown an arrangement of the pad for use
as a shoe sole wherein the tread 3‘4 of the shoe sole 35
25 is formed integral as a part of the element 26.
l assembly of the pad elements.
FIGS. 6 and 7 show the arrangement where several
An important object of this invention is to utilize
rug type pads are to be yattached edgewise together to
form large mats. In this arrangement end ribs 22 are
formed of half thickness as at 36 and only half a slot 29
Still another object of this invention is to provide a pad 30 is provided as at 37 at the abutting edges of the pads to be
joined, the joints being. staggered and taped a-s shown in
structure as above which is easily and quickly assembled
FIG. 6. The end cells are trimmed olf at the exposed
and requiring no special skill or tools, jigs or fixtures
edges of the assembled mat and tapered down as shown
for rapid assembly of the pad structure.
at 38 in FIG. _7 to accommodate the carpet 39.
Further features of this invention will appear from a
In FIG. 9 is shown an arrangement where the ends
35
detailed description of the drawings in which:
40 of the ribs 22 and 23 of the member element 20 are
FIG. 1 is a perspective view showing one of the basic
chamfered at `41 and the ribs 27 and 28 of the member
elements forming the _cushion pad incorporating the
element 26 have chamfered surfaces 42 adjacent the-open
features of this invention.
ings ofthe slots 29 so as to facilitate ea'sy entrance of the
FIG. 2 is an enlarged sectional View on the line 2--2
40 ribs 22 and 23 into the slots 29 in the ribs 27 and 28.
of FIG. l.
It will be noted that the amount of precompression or
t FIG. 3 is a perspective view of the other basic element
prepressurizing of the air in the cells 33 depends on the
forming with the element of FIG. 1 the cushion pad.
degree of telescopic travel Vof the ribs 22-23 into the
FIG. 4 is an enlarged sectional view on the line 4--4
- ribs 27-28. As in FIG. 9 the full telescopic travel for
of FIG. 3.
FIG. 5 is an enlarged sectional assembly view of the 45 full compression is provided, the ends 4t) of the ribs 22
23 bottoming in the slots 29 at the" conclusion of the
parts shown in FIGS. 1 and 3 when used as a rug pad
assembly of members 20` and 26 to give a predetermined
and the like.
'
compression in the cells. In FIGS. 10 and 11 bleed slots
-FIG. 6 is an enlarged sectional assembly view showing
43 are provided in the sides of the slots 29 to allow escape
the manner in which pads are connected together end-to
50 of trapped air in the bottom of the slots to enhance the
end.
"
Avalue of the compressed air cushion and reduce the neces
FIG. 7 is an enlarged sectional assembly view showing
sary height of the cells. In FIG. 12 is shown short cell
the finishing of the pad edges when used as a rug pad.
walls 44 for low compression charging of the cells on
FIG. 8 is an enlarged sectional assembly view showing
assembly. FIG. 13 shows an air bleed opening 45 to the
the pad used as a shoe sole.
,
FIG. 9 is an enlarged Sectional view of a preferred 55 end of the slots 29 to permit air escape during assembly.
While the apparatus herein disclosed and described j
form of telescopic joints between the two basic elements.
constitutes a preferred form of the invention, it is also to
FIG. 10 is a View similar to FIG. 9 showing a modi
be understood that the apparatus is capable of mechanical
iication of the joint of FIG. 9.
‘
_
alteration Without departing from the spirit of the inven
FIG. 11 is a sectional View on the line 11-11 of FIG.
60 tion and that such mechanical arrangement and com
10.
mercial adaptation as fall within the scope of the append
FIG. 12 is an enlarged sectional view of still another
ant claims are intended to be included herein.
form of telescopic joint.
Having thus fully set forth and described this inven
FIG. 13 is a view similar to FIG. 12 showing an air
tion what is claimed and desired to be obtained by United
bleed arrangement for the joint of FIG. 12.
States Letters Patent is:
As an example of one embodiment of this invention,
1. A cushion pad including, a member having, a plate
prepressurized air Yin the load supporting cells so that less
material and weight are required in the pad while having
greater load carrying capacity,
`
` there is shown in FIGS. 1 and 3, two of the essential ele
portion, a grid comprising intersecting transverse ribs
and longitudinal ribs integrally connected to said plate
tion.` In FIG. 1 is shown one element 20 comprising the
portion and forming cavities therewith, a second member
plate portion 21 formed with integral intersecting trans 70 having a plate portion, intersecting transverse ribs and
verse ribs 22 and longitudinal ribs 23 forming cavities
longitudinal ribs integrally connected to said second
24. The other element 2:6 shown in FIG. 3 Ihas a plate
member and forming cavities therewith, said ribs being of
ments making up the cushion pad assembly of this inven
3,041,221
3
4
greater width than the ribs of said first member and having
intersecting slots formed therein adapted to telescopically
between said ribs, and air bleed openings in the bottom
of »said slots to permit air escape during assembly of said
receive said ribs of said ñrst element when said members
members.
are assembled-together to thereby provide totally closedY
compressed air cells formed Vby said cavities between said
ribs, and bleed slotsin the sides of the said mentioned
slots lto allow escape of. trapped air in the bottom of the
slots during assembly of said members together.
2. A cushion pad including, a member having, a plate
portion, a grid comprising intersecting transverse ribs and 10
References Cited in the lìle of this patent
UNITED STATES PATENTS
647,873
Perry ________________ .__ Apr. 17, 1900
1,166,811
2,065,450
2,076,122
Bowers ______________ __ Ian. 4, 1916
Gordon ______________ __ Dec. 22, 1936
longitudinal ribs integrally connected to said plate portion
2,189,813
and forming cavities therewith, a second member having
2,503,164
a plate portion, intersecting transverse ribs and longitudi
` 2,575,764
nal ribs integrally connected to said second member and
forming cavities therewith, `said ribs being of greater 15 2,737,693
width than the ribs of said ñrst mentioned member and
having intersecting slots formed therein adapted to tele
scopically receive said ribs of said ñrst element when said
members are assembled together to thereby provide total
ly closed compressed air cells formed by said cavities 20
Duryee ______________ __ Apr. 6, 1937
McGuire ____________ __ Feb. 13, 1940
McGuire `__`_-.____i__..;-__ Apr. 4, 1950
Morner ______________ __ Nov. 20, 1951
2,770,965
2,810,672
Robbins ______________ __ Mar. 13, 1956
Engel ________________ __ Nov. 20, 1956
Taylor ______________ __ Oct. 22, 1957
551,733
`Great Britain _________ __ Mar. 8, 1943`
FOREIGN PATENTS
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