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Патент USA US2408462

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Oct. 1, 19,46.
` Filed March 50,- 1944
2_ Sheets-Sheet l
Oa. 1, 1946.
' , Filed March 5o,y 1944
2A sheetsèsheet 2
Patented Óct. 1, 1946
' l
._ „f
Bryn Mawr; Pa.,Í assigner, 'by'
Harold van Doren,”
mesne assignments, to Philco Corporation',
Philadelphia, Pa., a corporation lof I’ennsyl»>
1 vania
ments. The upper section I2 extends upwardly
andv substantially vertically from the rear of ithe
work surface I3 and contains a food storage com
partment I5. Thel compartments inboth the
lower refrigerated areas -and an intermediate
lower andr'upper sections il and I2 have front
En accessïopen‘ings so that, in actuality, the 'com
A primary object of the invention is to provide
partment I5 inthe upper _section l2 opensin a
"ï rf’he present invention "relates'to' refrigerators,
and more particularly to improvements »in refrig
erator cabinets of Vthetype providing upper and
ywork surface.
a refrigerator cabinet of the aforementioned gen
vertical plane at the back of the work surface I3.
eral type constructed so that vaccess may be had
According to the present invention; theiclo
to the aforesaid> refrigerated areas' Without in
terference `with,»- or interruption in the use of,
the intermediate work surface.
sure means for the Acompartment I5 is sc con
stituted as not to interfere with the use of the r
Worktable vsurface I3 when access to said com
`More specifically, »an object of the invention
is to provide a refrigerator cabinet of the stated
type having a Work table surface and =food stor
partment is desired. To this end, the closure
means comprises a> pair of complementary door
lmounted on'the cabinet for
'sections I'I and VI8 toward
andßaway from each
sliding movement
other in'the'plane of the access opening of said
age compartments opening above and below such
surface, theclosures for such compartments be'
ing constructed and arranged so îthat they may
be opened and closed without necessitating re
moval of articles occupying» the -worktable sur'
compartment I5 andpreferably perpendicular to
the work'surface I3. With this arrangement,
` o
à '20
f To Athis'end, the invention contemplates the
>provision of a refrigerator including a worktable
opening and closing of the door sections I‘Iv and
IB does not necessitate removal of articles Iwhich
may have been placed on the worktable surface,
nor interrupt the‘use of said surface.
"surface and a rearwardly disposed food' storage
`compartment extending upwardly from'said sur
«face substantially at right angles thereto land
having >closure means adapted -.for opening and
closing movements substantially inthe plane 'of
f In order to facilitate operation of the door sec
-l8 it is desirable that they be coun
terbalanced and for that purpose cables I9 may
» tions I1 and
vbe 'connected to the sections, vas shown at 20
and 2I for example, said cables passing over
the -front »of lthe compartment so that said clo
vpulleys 22 supported in brackets 23 on the cabi
sure means may- be opened vand closed Without
30 netfstructure. The door sections being thus con
interfering with the use of »said work surface.
nected, one of said sections, preferably the lower
Other objects and advantages oft theinvention
one'I'I,V may be provided with a handle 24,1 so that
will appear to those skilled in thel art front-‘the y «by moving said section up or kdown by means of
4following detailed description1cnd the~accom-A -the handle, the other or upper door section I8
panying drawings, in >which:`A
will be made to move in unisonwith, butoppo.
- ' Fig." 1 is va perspective view/of a> refrigerator
sitely to, the movement of said lower door sec
-cabinet constructed in; accordance withthis in
tion both in'opening and >closing the compart
-Fig.`-'2 is an enlargedvertical cross-sectional
view'cf the cabinet;-
Fig,> 31`is ra fragmentary cross-sectional detail
view looking in the general direction of1îline~3e--3 ‘
‘of Fig.2; andl
Fig. Liis lan- elevational 'detailfviewi of the slid
ing doors with'parts broken away .tc discloseiele
reference to the' drawingsr'the]
ator' cabinetV I0 therein illustrated! is- of l‘the 4.typ'e
having‘a lowersection II andan uppßrsection
`I2. . The lower section .ll,g_which1in the present
instance constitutes ~the base of the„cabinet»,.;is.
preferably of work-height dimensions So'that'the
top thereof, or the, forwardportion thereof, may
lWhen. in closed positionf the door sections . I'I
andvIS may beheld together by suitable latching
means which',11-in the form shown in Fig. 4, may
consist of la keeper 25 fixed on one door section,
anda »latch being urged by action cf a spring 21
into operative engagement with said keeper." By
45 mounting the latch 26 on. the >door section A’I»'I
whichl carries the handle> 24;;ity ispossible,l by
"manipulation ofl the handle `24 'to Aunlatch:4 the
door sections and initiate movement of:said1sections toward open position. This may be accom
-plished,bypivotally mountingfthe handletand by
providing the v. same. withA an v'extension 28e, en
29î associated with Vthe
latch,- these elements being arrangedvso that
serve `as a worktable ~suriaceçlb_.zgln `theinterior i :when pressure.: is applied to' .the‘ïhandle in aldi
v of the: section VI I. is»7 _aifood `storage.compartment = 55 »rectio'n tofopen the door' sections; 'the @extension
I4, y.or there may be apluralityv of, such compart
28 will act through the cam 29 to disengage the
latch from the keeper.
The open front of each compartment I4 in the
lower or base section I I of the cabinet I 0 is closed
ably a primary refrigerating system is used to cool
the compartment I4, and a closed secondary sys
tem may be utilized to cool the storage com
partment I5 and the well-type compartment 46.
by means of a door 30 which preferably is piv 5
In the arrangement shown in Fig. 2, a motor
oted at its bottom edge portion, as indicated at
compressor 60 is mounted within a housing 6I in
3 I, andhas handleîmeans 32 1at-itsitop edge por'
tion so that said-.doormay bev drawn outwardly
and downwardly to an open position shown in
the lowermost portion of the base II and is con
nected with the condenser 62fthrough a pipe 63.
from the condenser 62 is a liquid line
Fig. 1. The door 30 may be provided with wing 10 Leading
64 which discharges into >a series of cooling coils
portions 33 extending into the compartment and
65 arranged in heat exchange relation with the
preferably having arcuate slots 34 engageable
with roller-carrying pins 35 or the like. By this „ ' liner :4I deñning the compartment I4. A return
means the outward movement of the `door is _ line> 66 lconnects the series of cooling coils 65
with the motor 'compressor 60 thus completing
limited so that, in open position, the door as
the circuit bf "the primary refrigerating system.
sumes an angular relationship with respect to
the associated compartment and, together with
the Wing portions 33, forms a hopper-like access
Dort to said compartment.
In the detail construction of the cabinet, I pre
fer to employ the conventional outer` metallic
shell 40 having the general -shape indicated in
the drawings, said shell forming the outside of
With further Areference to Fig. 2, the secondary
system utilized toY cool the compartments I5 and
46 comprises an ‘evaporator portion consisting of
a serie‘s of coils `61 in heat exchange relation with
the back and side Walls of the metallic inner liner
42 -deli-ning said compartments. The series of
cooling coils 67» communicates with a secondary
condenser portion 68 located above said coils and
the cabinet Il), and an inner metallic liner 4I
to form the compartment I4 in the lower section 25 conveniently arranged in heat exchange relation
with the primary system, preferably in the re
II of said cabinet. Another metallic liner 42 de
turn line 66 thereof which, for that purpose, may
iinesthe compartment I5 of said cabinet. The
have a coil section~69 wound about said second
inner liners 4I and 42 may be supported, in the
condenser portion. The association and op
usual manner, in spaced relation to and within
eration of the primary-secondary system vof the
the outside shell 40 and may be effectively ther
mally separated therefrom by means of thermal 30 above-described type are well-known »in theart
and form no part of the present invention, and
break elements 43, and suitable insulating -ma
accordingly», a detailed description of the con
terial 44 interposed between said liners and shell.
struction and operation thereof may be dispensed
The inner liner 42 which defines the upper
with herein.
compartment I 5 „may be provided with a depend
ingy portion 45 forming a well-type compartment
46 and closed by means of asuitable removable
cover as »shown at 41. It is to be noted that, in
with the present invention, the lower compart
ment I-4, being cooled by the primary refrigerat
ing system, may be maintained at sharp freezing
temperatures vbest suited >for theA preservation of
accordance with the present invention, the liners
4I and 42 which respectively define the lower and
upper compartments, are separated from each 40 frozen foods, and that the upper compartment
I5, being cooled by the secondary refrigcrating
other, 'and that insulating material is interposed
may be kept at the moist-cold temper
therebetween, as represented at 44a in Fig. 2 of
>atures which are most effective for the preserva
the drawings. In this manner the superimposed
tion of ordinary foodstuff. This result is pos
compartments are thermally insulated from each
other so that the compartments may be cooled at
diiferent temperatures and .be maintained under
different humidity conditions.
'7 sible in the arrangement herein shown and de
scribed' .because the compartments above-referred
vto are separate and thermally insulated -from
each other so that the cooling conditions in one
compartment cannot affect, and cannot be af
fected by. the cooling conditions in the other
struction consisting of relatively spaced outer and 50 compartment.
As shown in Fig. 2, the door 30 associated with
the compartment I4 may have the usual con
inner panels `48 and 49 respectively; the ,outer
panel 4S preferably being made of metal' and the
inner panelv 49 of plastic, insulating material 50
filling the `space between said panels.
In use, it will be appreciated that, because of
_ the particular construction` of and relation be
tween the worktable surface I3 and the various
For the door sections I1 and I8 for the upper 55 food storage compartments, and with the particu
lar door- structures, ¿ready access vmay be had to
v.compartment I5, »I prefer to use a transparent
the compartments Without adversely affecting the
structure of the kind commonly known _in the
utìlitynf said worktable surface. :In other words,
trade as “Thermopane”, which structure Yembod
the doors to said compartments -may be opened
ies a plurality offtransparent îpanes ~5I mounted
closed'freely without necessitating removal of
and sealed in a frame 52. In'accordance with
articles occupying said surface.
the embodiment shown, such door sections are'slid
ably mounted in suitable channels formed in the
cabinet'structure, the lower door’secti'on >I'I being
It is believed that the invention, the mode of
4construction and >assembly of its physical em
bodiment, and its advantages will be readily un
retractable into -ai recess 53 inthe `wall of -the
cabinet, and the upper door section~I8 being slid `<i5 derstoodîfrom the foregoing description; and it
`will be understood that while a preferred em
able into >and out of engagement with a ledge
bodiment .of the invention hasr been shown and
portion. 54 at theupper front edge of `the .cab
Gasket strips such as shown at 55 may be ary-f
ranged on the Vseveral doors to bear against ad
joining` portions _ofv'the cabinet for sealingathe
gaps therebetween when the doors are closed...A '
The compartments I4,-- I5 .fand 45 are to be
cooled' ‘by suitable ¿refrigeratin'g means. >Prefer
'~ described for illustrative purposes, the structural
details are capable of material Variation within
`70 the scope of the appended claims.
~ _
‘ ' ¿'1. ¿In a’ïrefrigérator, a cabinet having upper 'and
`lower compartments and an intervening insulated _
'ïwall,. said 'upper compartment having aside ac
75Acess 4opening and said wall having` a section-of
lower edge thereof to open and close said opening,
major thickness extending upwardly at the open
a primary refrigerating ‘system associated with
side of said upper compartment so as to form in
the bottom of the latter a well-type chamber, said
wall section being recessed from the top, a clo
sure member for the access opening of said upper
said lower compartment to cool the same, and a
secondary refrigerating system in heat exchange
relation with said primary refrigerating system
and associated with the upper »compartment for
cooling the said compartment and said chamber.
compartment movable vertically in the cabinet
3. In a refrigerator, a cabinet having upper and
structure to and from an open position within
said recess, a primary refrigerating system asso
ciated with said lower compartment for cooling
and lower compartments and an intervening in
sulated wall, said upper compartment having a
the same, and a secondary refrigerating system
in heat exchange relation with said primary re
side access opening and said wall having a ‘sec
frigerating system and associated with said upper
compartment for cooling the latter.
the open side of said upper compartment so as to
form in the bottom of the latter a well-type cham
2. In a refrigerator, a cabinet having upper and
lower compartments and an intervening insulated
wall, said compartments having separate side ac
tion of major thickness extending upwardly at
ber, said wall section being recessed from the top,
a closure member for the access opening of said
upper compartment movable vertically in the
side of said upper compartment so as to form in
cabinet structure to and from an open position
within said recess, said insulated wall having a
lateral extension from said section of maj or thick
member for the access opening of said upper com
lower compartment mounted for engagement with
partment movable vertically in the cabinet struc
ture to and. from an open position within said
the outer end of said wall extension, and refrig
cess openings and said wall having a section of
major thickness extending upwardly at the open
the bottom of the latter a well-type chamber, said 20 ness affording a work surface area at the bottom
of said upper compartment, a closure for said
Wall section being recessed from the top, a closure
recess, a separate movable closure within the up
per compartment for the said chamber, closure
means for the access opening of said lower com
partment movable about a horizontal pivot at the
erating means operatively associated with said
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