U.S. patent number 3,830,406 [Application Number 05/310,676] was granted by the patent office on 1974-08-20 for refrigerator dispensing container array.
Invention is credited to Maurice R. Robb.
United States Patent |
3,830,406 |
Robb |
August 20, 1974 |
REFRIGERATOR DISPENSING CONTAINER ARRAY
Abstract
A modular space-saver type array of dispensing liquid containers
for household refrigerator use; parallel-racked rectangular
containers have in an embodiment a wedge-section plastic floor
draining to a forward valve-supplied sump and accessible for
cleaning and refill through a removable hinged top, and have in a
further embodiment downwardly sloped top and bottom with vertical
front, back and sides; bottoms with rack-engaging detents and open
work racks with drip trays are further features.
Inventors: |
Robb; Maurice R. (Tantallon,
MD) |
Family
ID: |
23203620 |
Appl.
No.: |
05/310,676 |
Filed: |
November 30, 1972 |
Current U.S.
Class: |
222/143; 222/183;
222/185.1; 222/51; 222/156; 222/108 |
Current CPC
Class: |
F25D
23/12 (20130101); F25D 31/002 (20130101) |
Current International
Class: |
F25D
31/00 (20060101); F25D 23/12 (20060101); B67d
005/60 () |
Field of
Search: |
;222/143,183,386,108,180,51,181,173,185 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Blunk; Evon C.
Assistant Examiner: Slattery; James M.
Attorney, Agent or Firm: McClellan, Sr.; John F.
Claims
I claim:
1. A system for refrigerator-storage of a plurality of liquids
comprising: a rack, a plurality of substantially
rectangular-section containers held by the rack in over-and-under
relation, at least one of said containers including: a front wall,
a rear wall, a horizontally elongate structure between the front
wall and rear wall including a pair of side-walls, a removable top,
said top having downturned edges exteriorly overlapping all said
walls of the container, each said downturned edge of the top which
overlaps a side-wall of the container having a slit intermediate
the length of said down-turned edge, the top having a transverse
hinge section intermediate said slits, thereby providing for upward
opening of a portion of the top as a filler for said container, a
bottom with a sump at the forward end of the bottom and a portion
of the bottom sloped downward to the sump from the rear wall, and a
valve at the front wall of the container.
2. A system as recited in claim 1, with a rectangular float
extending substantially between the side walls and the front and
back walls inside the container, said rectangular float having
upturned edges all around, sealingly engaging the side walls and
front and back walls of the container, and a transparent portion in
the front wall of the container extending substantially from the
top to the bottom thereof, whereby the vertical position of the
float can be viewed from the front of the container.
Description
This invention relates generally to containers and specifically to
containers for use with refrigerated liquids.
One of those household problems which are so universally recognized
as to be treated humorously in conversation is the overcrowded
refrigerator problem. It is also widely realized that the problem
is largely caused by the need to store numerous liquid containers
in refrigerators. Such containers come in a variety of sizes,
sometimes are too tall to fit between shelves, frequently tip over
and spill the contents over other items, especially on lower
shelves, usually require covers to prevent contamination and to
prevent evaporation, and are generally troublesome to use and
replace for children and adults alike. Reusable liquid containers
such as bottles and jugs have the added disadvantages of being
slippery and of being difficult to clean properly.
Commercial dispensers of bulk fluids are more economical of space
than bottles and cans, but are not adaptable for use in ordinary
household refrigerators for several reasons including the special
equipment required, handling characteristics, cost and the
quantities and varities of fluids stored and dispensed.
Primary objects of the present invention therefore are to provide a
refrigerator container array which stores and dispenses liquids
such as milk, fruit juices, soft drinks, tea, coffee, wine, cider,
beer, water and the like in the smallest refrigerator space, with
the least disturbance to other items stored; with the practicable
safety, greatest sanitation, ease of inspection of contents and
ease of cleaning, and together with the above, with good
appearance, durability and low cost.
Other objects of the invention are to provide a system as described
which is easily accessible without moving other objects, which is
easily operable by children, invalids, and others, which is light
in weight, which is easy to set up and take apart, and which
affords a variety of different sizes without waste of space because
of modular construction.
In brief summary a preferred embodiment of the invention includes a
rack-supported set of elongate, rectangular, modular-nesting
containers having vertical walls, a bottom-drainage feature and a
forward sump and valve arrangement.
The above and other objects and advantages of the invention will
become more readily apparent on examination of the following
description, including the drawings in which:
FIG. 1 is a side elevation in partial section of an embodiment of
the invention in place in a refrigerator;
FIG. 2 is an isometric detail illustrating portions of the
invention depicted in FIG. 1;
FIGS. 3-5 are side elevations partly in section of embodiments of
the inventtion in refrigerators;
FIG. 6 is a front elevation of an embodiment of the invention in a
refrigerator.
FIG. 7 is a side elevation partly in section of an embodiment of
the invention; and
FIG. 8 is a front elevation of an embodiment of the invention.
In the Figures, like numerals refer to like parts.
FIGS. 1 and 2 respectively show the invention 10 in a refrigerator
R and details of the invention in an exploded view. These Figures
are described together.
A standard refrigerator shelf S supports the rack assembly 12 of
the invention which in turn supports an array of containers 14,
14a, two of which are shown extending from the closed refrigerator
door D to the back B of the refrigerator R.
The rack assembly 12 is generally of rod construction. Longitudinal
member 18, 18' (one shown in each Figure) bridge the openings in
the refrigerator shelf S, crossbars 20 connect the longitudinal
members, legs 22 spaced apart by the length of the assembly stand
vertically and have a socket 24 at the top of each leg. A tray 26
rests on the longitudinal members of the base. Upper portions of
the rack include container holders 28 which have legs 30
terminating above the containers as sockets 32 and rounded feet 34
terminating below the containers and detachably engaging the
sockets below. Crossbars 36 connect the side portions of the
racks.
Each container 14, 14a is in the form of a box having a vertical
back wall 38, vertical side walls 40 and 42, a vertical front wall
44, a horizontal bottom portion 46 with lower sump portion 48 in
the front, an open top 50, and a horizontal cover 52 over the open
top. The cover 52 has vertically downturned sides 54, 56 and front
58 and back 60 which form a sliding fit with the walls of the
container.
The sump portion 48 has an opening 62 connecting with a faucet 64
on the front wall exterior. The horizontal portion 46 of the bottom
is, in vertical section, a wedge 66 of solid material with the base
68 of the wedge at the rear. At the front, the apex of the wedge
terminates at 70 in a smooth slope down into the sump. Under the
forward portion of the wedge a downward, horizontal flange 72 in
the bottom engages a crossbar 36 of the rack beneath. Inside the
container, as in the upper container 14a, FIG. 1 and FIG. 2, a
floating seal 74 is preferably provided. The floating seal is the
same form generally as the top, having vertical side walls 76, 78
back wall 80 and front wall 82, around a horizontal portion 84, but
is inverted. The walls form a sliding fit with the interior of the
container.
A transparent vertical window 86 of polystyrene or the like,
heat-sealed in the front wall of container 14a permits viewing the
contents and the front wall 82 of the floating seal 74 indicating
the nature and the level of the fluid F contained.
Materials for the invention can be any suitable for such
applications. Polyethylene or polystyrene containers, vinyl covered
metal rods for the rack structure, and polyethylene faucets and
trays will serve satisfactorily.
FIG. 3 illustrates an operational feature of the invention. The
containers are shown without the tray beneath but the operation is
the same with a tray beneath, the tray being short enough to slide
to the rear, as in FIG. 1, if necessary. In filling an awkward
container, such as a teapot T, FIG. 3, with tea, the container 14
is lifted slightly to free detent flange 72 on the bottom of the
container from the detent position, and slide forward to achieve
the necessary overhang.
FIG. 4 shows another container embodiment 14b which has no detent
flange structure and which has a cover 52a similar to that
previously described, and of similar thermoplastic material such as
polyethylene, except that a slit 88 is provided in the cover
sidewalls at laterally opposed positions, making a hinge 90 of the
top at that point. To inspect the contents of the container without
removing it entirely, or to refill it, the container is slid
forward and the hinged portion of the top is raised.
FIG. 5 illustrates another embodiment 10b of the invention in which
the containers 14c have flat bottoms 46a inside and out except for
paired detent flanges 72a. The rack structure 12b is the same as
before except that shorter front legs 30a and longer back legs 30b
tilt the containers to the front sufficiently to allow removal of
the majority of fluid contained. When titled, the top and bottom
slope to the front and the walls and back are vertical, permitting
compact, close racking of the units while providing a front sump.
The legs of rack assembly 512 may be unitary as shown.
FIG. 6 shows a front view of an embodiment 10c of the invention
installed in a refrigerator R. In this embodiment a full-width
container module 14d of ice water or the like rests at the top, and
smaller containers such as at 14a beneath.
The invention provides numerous advantages. Clutter normally found
in refrigerators is reduced to a minimum by removal of fluid
storage to the modular containers. Efficient use of the space
side-to-side, front-to-back, and top-to-bottom permits use of
smaller refrigerators for the same amount of refrigerated material.
Protrusion of the cover preserves cold air circulation space around
the walls, even when pushed against another surface.
The overlapped, sealing cover structure prevents evaporative loss
and mixing of odors and flavors, and preserves the freshness of
contents, particularly in conjunction with the floating seal, which
minimizes the area of liquid exposed to air.
The transparent window allows inspection of the contents, and,
particularly in conjunction with the floating seal makes
determination of the level of the contents easy at a glance.
The open top structure in cooperation with the cover hinge feature
allows quick inspection and refill of the containers in place in
the refrigerator. With the containers removed for cleaning the open
top structure provides complete hand-wipe access. In suitable
materials, such as polystyrene, the open structure of the above
embodiments is well adapted for cleaning in automatic
dishwashers.
The wedge-section bottom allows pullout to obtain long overhang for
filling without danger of having the container slide on the
downhill tilt of a rack and out of the refrigerator, and for adults
makes the use of bottom detent structure unnecessary.
The wedge section bottom and the sump structure together permit
efficient drainage of the contents.
FIG. 7 shows a closed-top embodiment 10d of the invention, in a
container 14e, a screw filler 86 and cap 98 in the top 100, and a
directly removable or "push-out" friction plug 92 in a hole 94 in
the front 96, together with wedge-section bottom 66a, rack engaging
detent 72b, valve 64, sump 48a, rack 12 and tray 26 as previously
described.
The embodiment 10d is particularly suitable for storage of beer and
carbonated drinks, the friction plug 92, being simply pressed in
place, can be blown outward by any overpressure to prevent rupture
of the container.
FIG. 8 illustrates an embodiment 10e with various modular
containers 14a, 14f, 14g, according to this invention in which
additional capacity is provided by increasing height of the
containers while preserving uniform width, providing flexibility in
arrangement within refrigerators. Rack assembly 812 is shown with
suitable length legs to permit stacking of the various height
containers.
Obviously, many modifications and variations of the present
invention are possible in light of the above teachings. It is,
therefore, to be understood that within the scope of the appended
claims the invention may be practiced otherwise than as
specifically described.
* * * * *