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Патент USA US3022560

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Feb. 27, 1962
Filed Aug. 11, 1959
2 Sheets—Sheet 1
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Feb. 27, 1962
Filed Aug. ll, 1959
2 Sheets-Sheet 2 ‘
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FIG. 5
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United States Patent 0 "ice
Leo G. Beckett, Henderson, Ky., and John T. Woods,
Evansville, Ind., assignors to Whirlpool Corporation,
a corporation of Delaware
Filed Aug. 11, 1959, Ser. No. 832,988
3 Claims. (Cl. 20-69)
This invention relates to a sealing gasket structure.
Patented Feb. 27, 1962
stantially along line 3-3 of FIGURE 2 except that the
resilient ?ller within the gasket structure is omitted.
FIGURE 4 is a sectional, elevational view similar to
FIGURE 3 but with the resilient ?ller strip in position
in the gasket structure.
FIGURE 5 is a fragmentary, sectional view taken
through the adjacent portions of a refrigerator cabinet
and door showing the sealing gasket structure in posi
tion to seal the space therebetween.
The refrigerator cabinet 10 of FIGURE 1 includes a
In sealing the space between a closure such as a door 10
frame member 11 having a door 12 hingedly attached
and a frame surrounding an opening such as the door
opening in a refrigerator, it is customary to provide a
resilient and compressible sealing gasket. It is di?icult
along one edge to the frame member 11 asby a plurality
of hinges 13 of which only one is shown in FIGURE 1.
Extending around the edge portion 14 of the door 12 is
to seal the space at the hinge side of the door because
a gasket 15. This gasket has a side portion 16 on the
the hinge side has a path of travel when the door is
side of the door that embodies the invention. The
moved from open to closed position such that the gasket
gasket portions 17, 18 and 19 on the top, handle side
or other sealing strip tends to be wiped or pulled across
and bottom respectively of the gasket may be of any type
the cabinet surface. Thus the gasket on this hinge side
However, a preferred gasket structure is a
?rst contacts the frame member around the cabinet
opening as the door approaches closed position and then 20 magnetic gasket as shown and described in W. R. Bower,
A. I. Koch and I. T. Woods copending application Serial
as closing is completed tends to be pulled slightly across
No. 834,000, ?led August 17, 1959, and now Patent No.
this frame surface during compression of the gasket.
2,958,912, patented November 8, 1960, and assigned to
The sealing gasket structure of this invention is con
the same assignee as the present invention.
structed so as to avoid this wiping action and to provide
The gasket structure at the side portion 16 includes
a tight seal between the closed door at the hinge side
elongated housing 20 of rectangular cross sec
and the frame surrounding the cabinet opening.
tion when undistorted, as illustrated in FIGURE 3, and
One of the features of this invention is to provide a
including an inwardly directed rib 21 on the inner sur
sealing gasket structure for an apparatus including a
face of one side of this housing. The housing 20 con
frame member and a door member hingedly attached
. thereto at an edge portion of the frame member and an 30 tains a resilient ?ller strip 22 preferably of sponge rubber
or rubberlike material whose resiliency urges the top 23
edge portion of the door member in which the sealing
of the housing 20 outwardly as illustrated in FIGURE 4.
gasket structure comprises a resilient, yielding sealing
The housing 20 is mounted on the gasket portion 16
member, collapsible means on which the sealing mem
ber is mounted, and a base section for mounting the col
by means of a collapsible bellows 24. This bellows when
lapsible means on one of said edge portions with the 35 the gasket structure is at rest has one leg 25 that is ad
jacent the outer edge of the door 12 relatively short and
sealing member extending toward the other edge por
an opposite leg 26 that is relatively long. These legs 25
tion, said collapsible means whenunrestrained normally
urging the sealing member at an acute angle to said one
edge portion away from said one edge portion and toward
and 26 are joined to a base section 27 of a gasket. The
longer bellows leg 26 when unrestrained is of generally
outwardly extending elbow shape with the angle 28 being
adjacent the base section 27. The bellows 24 normally
said other edge portion when the door is open.
Another feature of the invention is to provide such
urges the sealing member which is made up of a com
a sealing gasket structure comprising a sealing member
bination of ?ller strip 22 and housing 20 at an acute
including a ?exible, elongated housing and a resilient
angle to the base section 27 and thus to the edge portion
?ller strip ?lling the interior of said housing, an elongated
collapsible bellows on which the sealing member is 45 14 of the door. This acute angle is such that the sealing
member 29 extends toward the edge portion 30 of the
mounted, and a base section mounting the bellows on
frame 11 that is adjacent the hinges 13. With this con
one of said edge portions with the sealing member ex
struction the top 23 of the sealing member 29 ?rst con
tending toward the other edge portion, the base section
tacts the edge portion 30 of the cabinet frame when the
including a mounting portion attachable to said one
door is being closed and further movement of the door
edge portion and an overlying cover portion normally ex
closed position causes the sealing member 29
tending over the mounting portion with the bellows at
to pivot around the leg 25 while the leg 26 is being com
tached to the cover portion, the bellows normally urging
pressed or folded upon itself to the position shown in
the sealing member at an acute angle to said one edge
FIGURE 5. When the door is completely closed, the
portion away from said one edge portion and toward
top section23 of the sealing member is compressed to
said other edge portion when the door is open and form
provide a tight seal. The relatively large volume of
ing a barrier seal in the space between the sealing mem
?ller strip 22 used in the sealing member to cause the
ber and base section, the resilient ?ller strip distorting
outward bulging of the top section 23 as shown in FIG
an outer side of said housing outwardly in a direction
URE 4 provides su?icient material so as to maintain a
away from said bellows when the door is open.
Other features and advantages of the invention will 60 tight seal at all times when the door is closed and to
prevent the gasket structure from taking a permanent set
be apparent from the following description of one em
that would break this seal. The provision of the small
bodiment thereof taken in conjunction with the accom
internal rib 21 prevents the ?rm sponge rubber ?ller strip
panying drawings.
from shifting its position or rotating relative to the shell
Of the drawings:
FIGURE 1 is a fragmentary, elevational view of a 65 or housing 20.
The interior 31 of the bellows 24 is vented to atmos
refrigerator cabinet omitting interior details but including
through small openings (not shown) leading from
a door hinged to the cabinet arranged in open position
the interior 31 to the atmosphere. By providing the
extra resiliency in the sealing member as is shown by
ing the invention.
FIGURE 2 is a fragmentary enlarged view of the 70 the compressed position of the top section 23 of the seal
ing member when the door is closed the sealing member
gasket of FIGURE 1 but separate from the door.
readily adapts itself to irregularities in the con?guration
FIGURE 3 is a sectional, elevational view taken sub
and having attached thereto a gasket structure embody
of the cabinet frame edge portion 30. The base section
'27 of the gasket structure is made up of a mounting por
tion 32 ofv generally U-shape to provide an interior chan
' nel 33 and an overlying cover portion 34. The mounting
stantially parallel to said one edge portion and the other
leg of said angle extending toward said other edge portion
when said door is approaching closed position.
2. The gasket structure of claim 1 wherein said seal
portion 32 is located at one edge of the cover portion 5 ing member includes a ?exible~,--elongated housing in
34 and is provided on its bottom with a downwardly and
which is positioned a resilient‘ ?ller strip distorting an
(outwardly, tapered ?ange 35 and a downwardly extending
outer side of said housing outwardly ‘in a direction‘ away
'hollow' elongated bead >36 spaced inwardly of the ?ange
from saidcollapsible means»?
3. in an apparatus‘ including a frame member and a
435'. The ?ange 35 and bead 36 provide a seal'between
the gasket structure and the edge portion 14 of the door. 10 door member hingedly attached thereto at an edge por
The gasket vstructure is] held in position by ‘means ‘of
tion of the frame member and an edge ‘portion of the
I an elongated clamp ‘37 having a hook'end 38 that extends
"door member,-a sealinggasket structure, comprising: a
over any upwardly extending inner rib 39’ forming the V ' sealing member including’ a ?exible, elongated housing
inner side of the U-shaped portion 36 and down into the ' anda resilient ?ller: strip ?lling the ‘interior of said hous
channel 33.: The clamp 37 'is held in position by means 15 ‘ing; an elongated collapsible bellows‘on’whichtheseal
of a plurality of screws 40. r The cover portion 34 serves .
_', 'to conceal the clamp 37 and the screws 40.
_ V ‘
Having described our invention as'related to the em
‘ ing member is mounted; and a‘base section'imounting
" the bellows on sneer said edge portions with thefsealing
'member extending ‘toward the ‘other :edge-portiomxthe
base section including a' mounting portion‘ attachable: to
bodiments shown in the accompanying drawings, it'is
our intention that the invention be not‘ limited by-any of’ 20 said one edge portionpand an overlying 'cover' portion
normally extending over the mounting portion withthe
' the details of description, unless'otherwise speci?ed, but
., rather be construed broadly within its spirit and scope‘as
T follows.
' bellows attached to the cover portion,"the bellows-inor
'mally urging the sealing member at an‘ acuteangle to
said one‘edge portionaway‘from said one edge'portion
" Theembodiments of the invention in which an ex
clusive'property or privilege is claimed ;are de?ned as 25 and toward said other edge portion whenithe'rdoor is
set out in the accompanying claims;
We claim:
' ‘ 17. In an apparatus including a frame member and a’
I door member hingedly attached thereto at an edge por
‘ open and forming a barrier‘ seat in the space between
the‘ sealing member’ and base “section, one leg'rof said
angle being substantially parallel to said one edge por
' tion and the other leg of said angle'extending toward
pftion offtheframe member and an edge portion‘ of the 730' said‘ other edge portion when-said door-is-approaching
mdoor member, a sealing gasket structure, comprising: a
' ‘closed position, the resilient ?ller strip distorting an outer
l - resilient, yielding sealing ‘member; a collapsible bellows
side of said. housing outwardly in a direction away from
p'mea‘ns on which, the sealing member is mounted; and a
said bellows when the door is open. '
;,}b'ase.section; for mounting the'?collapsible means on one
Qfof said edge portions withrthe'sealing member'exten'ding 351.21.. __;Reference_s;Cited. in the?lehoif thisjpatent ‘ r
lt'oward the ‘other: edge ‘portiongIsaid j collapsible - means
éyyhen ‘unrestrained normally urgingl'lthéjseaiing" imer‘n’oer
at‘ an acute angle to said one‘ edge portion away'from
2,659,l 14
said one edge portion and toward said other‘ edgeportion
when the door is open, one leg of said angle being sub 40 2,958,912
‘5 Anderson -ct~al.-~_.'..-_ ____ .._'Nov.ll7f ‘1953
Janos _________ _; _____ _,..,Oct. 1, 1957
Bower et al ____________ __ Nov. 8, 1960
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