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Патент USA US2407723

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SePt 17,V 1946»
I
c. H. NAUERT «
2,407,723
REFRIGERATING APÈÀRATUS
Filed March 2s, y1944
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Patented Sept. 17, 1946
2,407,721 ‘
UNITED. STATES PA'EENT ÚFFICE
2,407,721
REFRIGERATING APPARATUS
Carl H. N auert, Evansville, Ind., assignor to Servel,
Inc., New York, N. Y., a corporation of Delaware
l
Application March 23, 1944, Serial No. 527,685
10 Claims. (Cl. 211--153)
This invention relates to domestic `refrigera»
tors and more particularly to food supporting
shelves for domestic refrigerators.
Food supporting shelves used in domestic re
frigerators heretofore have generally been made
2
tom portion of the channel by means of a screw
5 which passes through an elongated opening in
the bottom of the channel and permits adjust
ment of the end blocks.
_
A plurality of relatively thin strips E made of
entirely of metal, A metal shelf is objectionable
plastic or other light weight material spans the
in that it is expensive, heavy and difficult to
space between the longitudinal sides of the rec
clean.
tangular frame member and act as food support
The objects of this invention are to overcome
the above objections by providing a refrigerator 10 ing surfaces. These strips are provided with
notched end portions 'I at each end thereof which
shelf that is relatively light, constructed of in
extend into the channel of the frame member as
expensive materials, easily fabricated and easily
shown in Figs. 3 and 4. Spacing blocks 8 made
cleaned.
'
These objects are carried out by providing a re
frigerator shelf made up of a rectangular outer
of plastic or other light weight material are lo
cated between the ends of the transversely ex
tending strips 6. The spacing blocks 3 are pro
vided
with slots 9 and I lì in their upper and lower
the cross-section of which is C-shaped. The
faces
respectively
by which they are held in as
food supporting surface consists cf a plurality of
sembled position on upper and lower1 flanges Il
thin light weight strips, such as strips of plastic,
and I2 of the channel member 2.
which span the space between the longitudinal 20 _A locking block I3 made of plastic or other
sides of the rectangular frame. These strips are
light weight material is located between two cen
supported by and anchored to the rectangular
ter strips 6a and 6b mid-way along each longi
frame member.
tudinal side of the rectangular frame. The
A specific embodiment of my invention is
blocks I3 are provided with flanges I4 at the
shown in the accompanying drawing in which:
upper front portion thereof and with a cut-away
Fig. 1 is a perspective View of a part of the
portion I5 at the lower front portion. Each of
food storage space of a refrigerator cabinet show
the locking blocks I3 is provided with a threaded
ing my improved food supporting shelf located
opening IB extending therethrough which is
frame member constructed of light weight metal,
therein;
Fig. 2 is a plan view of a specific embodiment
of my improved shelf;
Fig. 3 is a vertical sectional view taken on line
3--3 of Fig. 2;
Fig. 4 is a plan view partly in section showing
a corner of the shelf shown in Fig. 2; and
Fig. 5 is a perspective view of one side of the
shelf as viewed in the direction of arrow 5 in
adapted to receive a screw I 'I which in turn
passes through an opening I8 in the bottom por
tion of the rectangular frame member 2 as viewed
in Fig. 5.
`
An inverted U-shaped reinforcing member I 9
made of relatively light weight metal extends
through the length of the shelf at the mid-por
tion thereof. This member is provided with a
slotted portion 2Q at each end to receive a screw
Fig. 2 showing the elements in extended rela
ZI whereby the member is attached to the trans
tionship and illustrating the manner in which
verse ends of the rectangular frame 2. Rein
_they are assembled.
40 forcing member I9 is also provided with a plu
Referring to the drawing wherein like refer
rality of equally spaced slots 22 extending
ence characters denote like parts, I designates
throughout its length. These slots are adapted
generally my improved food supporting shelf
to receive and support the transverse strips 6 at
adapted to be supported in any convenient man
their mid-portions.
'
ner in the food storage space of a refrigerator 45
The
shelf
is
assembled
by
first
forming
the
-cabinet as shown in Fig. l.
channel frame member 2 as a closed rectangle
This shelf is made up of a rectangular frame
with mid-longitudinal portions of the lower
4member 2 constructed of a light weight metal
ñange I2 cut away as shown at 3 of Fig. 5. Then
channel member which is C-shaped in» cross
the end blocks 4 are attached to the corners of
.section as shown in Figs. 3 and 5. At the mid
the rectangular frame by screws 5 as shown in
portions of the longitudinal sides of the frame
Fig. 4. Now, starting with the left han of the "
Amember a lower flange I 2 is cut away as shown at
rectangular frame as viewed in Fig. 2, for ex
3 in Fig. 5. The rectangular frame member is
ample, one of the notched ends of a supporting
provided at each of its four corners with a wedge
shaped end block 4 which isattached tothe bot-_- 55
strip 6 is inserted into the cut away portion of
the channel member 2, 'then with the strip ex-
2,407,721
3
tending at an angle other than 90° to the face
of the longitudinal side of the frame member,
4
at the inner side thereof, a plurality Vof thin
strips spanning the space between two sides of
said frame, said strips having end portions which
the opposite notched end of the transverse strip
bear against said flanges and extend into said
is inserted into the out away portion at the op
channel member, and spacing blocks extending
posite side of the rectangular frame. Then this Ol into said channel between the ends of each pair
strip is moved toward the left of the frame with
of said strips, said spacing blocks and channel
the notches fitting over upper and lower flanges
having interengaging parts to retain the Áblocks
Il and l2 of the channel until the strip con
tacts the end blocks 4 at each side of the left
end of the frame. Now, a spacing lblock 8 is in
serted into the cut away portion of the frame
member at each side thereof and With the slots
9 and l0 of the block fitting over the flanges ll
and l2 respectively of the channel member, the
blocks are each moved along the channel meme
in position on the channel.
4. A food supporting shelf comprising a rec
tangular frame constructed of an inwardly-fac
ing channel member, a plurality of strips extend
ing transversely of said frame, said strips having
end portions which extend into said channel
member which anchor said strips against trans
verse movement relative to said frame, and spac
ber until they contact the ends of the previously
ing blocks located in said channel between the
inserted strip 6. This procedure, ñrst a strip 5
ends of each pair of strips anchoring said strips
and then a spacing block 8 at each end of the
against longitudinal movement relative to said
strip, is continued until the left half of the shelf
frame, said spacing blocks and channel member
20
is completed. Then the right half of the shelf
having interlocking tongues and grooves to re
is assembled in a similar manner.
ith all of
tain the blocks in position on the member.
the `transverse strips 6 and the spacing blocks 8
5. A food supporting shelf comprising a chan
properly located a locking block i3 is inserted
neled rectangular frame member, a plurality of
into-.each side of the channel member` at the cut
strips spanning the space between two sides of
away portion 3, Fig. 5, and with the ilange ifi 25 said frame member and dividing the space be
of said locking block bearing against the upper
tween two other sides of said frame member, said
portion of the channel member the screw ll' is
strips having end portions extending into said
inserted through the opening I3 in frame meni
channel and said strips and channel having in
ber 2 and into the threaded opening I6 of said
block
and
said
block
is
locked
in
terengaging parts so shaped as to lock said strips
place. 30 against movement transversely of said frame, and
Finally the reinforcing member lil-is attached to
each end of the iframe member :by means of
screws 2l with the mid-portions of the trans
verse strips 6 resting in the slotted portions 22 of
said reinforcing member.
It will> be seen that with this assembly, that is,
with the transverse strips ‘5 held against trans
verse movement by means of the channel mem
ber, bythe spacing blocks S preventing longitu
dinal movement of the 'strips and by the notched
reinforcing member supporting .the mid-portions
spacing blocks mounted in the channel and lo
cated between said strips for locking said strips
against movement longitudinally of said frame,
said spacing blocks and channel having interen
gaging parts to retain the blocks in the channel.
6. A shelf comprising an outer rectangular
frame constructed of an inwardly-facing rela
tively light weight metal channel member having
inwardly directed flanges, a plurality of non
metallic strips spanning the space between two
sides of said frame and dividing the space be
tween two other sides of said frame, said strips
of the strips, the shelf, although constructed of
relatively light weight material, presents a rigid
being provided with notches in the end portions
assembly.
so shaped as to cooperate with the inwardly di
My invention is not limited to the specific em 45 rected flanges of said frame to releasably hold
bodiment illustrated in the drawing and described
said strips against transverse movement relative
in the foregoing specification but is limited only
to said frame, and spacing members mounted in
as indicated in the following claims.
said frame and located between the end portions
What is claimed is:
l. A food supporting shelf for use in domestic 50 of said strips to space said strips along said frame
and to releasably hold‘said strips against longi
refrigerators comprising an outer rectangular
tudinal
movement relative to said frame, said
frame constructed of a single channel member
spacing members having grooves thereincoop
having integral ñanges on the inner side thereof,
erating with the inwardly directed flanges on the
a plurali-ty of spaced strips spanning the space Y
between two sides of said frame and having end
portions fitting into said channel frame member
and bearing against said flanges, and individual
spacing blocks carried by said flanges and lo
cated between the ends of each of said strips.
2. Afood supporting shelf for-use in domestic 60
refrigerators comprising a rectangular outer
frame constructed of an inwardly-facing chan
nel member with inwardly extending flanges on
one face thereof, a plurality of thin 'strips span
ning the space between two sides of ‘said kframe 65
and having end portions kbearing against said
flanges and extending intosaid channel mem
ber, individual spacing blocks mounted in said
channel member and supported on the flanges
and located between the ends of each pair of said
strips, and a reinforcing member connected be
tween two other sidesl of said frame.
3. A food supporting shelf comprising a krec
tangular frame constructed of a one-piece in~
frame to retain the members in position on
the frame.
7. A shelf comprising a pair of spaced laterally
extending members substantially C-shaped in
cross-section and-provided withinwardly- extend
ing flanges on the inner adjacent sides thereof,
means for holding said members in spaced rela
tion, a plurality of elongate strips-provided with
notched end portions which ñt'over said inwardly
extending flanges, spacing Velements carried by
said laterally extending membersand located be
tween the ends of said strips, and securing means
cooperating with said laterally extending mem
bers and'certain of said spacing elements for
detachably securing said spacing elements land
elongate strips to said laterally extendingmem
bers.
8. |A shelf comprising a frame havinglspaced
sides with each-of said sides having a pair of
spaced flanges, a plurality of elongate strips
Wardly-facing channel member having flanges 75 spanning the space between the sides ofthe
2,407,721
5
6
frame with the end portions of the strips posi
tioned between the ñanges, spacing blocks carried
by the frame between the ends of the strips,` one
of the ñanges on each side of the frame having
an opening to permit the ends of the strips and
spacing blocks to be inserted into the frame be
lock said strips against movement in one direc
tion relative to said frame, and spacing means
mounted in the channel and located between
each pair of said strips for locking said strips
against movement in another direction relative
to said frameT said spacing means having grooves
tween the flanges, interlocking means on the
interlocking with the flanges on the frame to re
strips, blocks and ñanges to retain the strips and
tain the spacing means in position on the frame.
blocks on the frame while permitting relative
10. A shelf comprising supports constructed of
sliding movement to assemble the parts, and 10 inwardly facing channel members having ñanges
spacer blocks closing the openings in the flanges
on the inner side thereof, a plurality of elongate
after the strips and blocks are assembled to lock
the parts in the frame.
‘
9. A food supporting shelf comprising a rec
tangular frame constructed of an inwardly fac
ing channel member having inwardly directed
flanges thereon, a plurality of spaced strips span
strips provided with notched end portions ar
ranged to interlock with the flanges of said mem
bers, spacing elements mounted on said members
15 and located between the ends of certain of said
Strips to hold said strips in spaced-apart rela
tion, and additional spacing elements mounted
ning the space between two sides of said frame
on said members and located between the end
and dividing the space between two other sides
portions of certain other of said strips to de
of said frame, said strips having notched end 20 tachably hold said strips and ñrst mentioned
portions extending into the channel member and
spacing elements on said members.
cooperating with the flanges on said member to
CARL H. NAUERT.
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