|Publication number||US3352460 A|
|Publication date||Nov 14, 1967|
|Filing date||Mar 28, 1966|
|Priority date||Mar 28, 1966|
|Publication number||US 3352460 A, US 3352460A, US-A-3352460, US3352460 A, US3352460A|
|Inventors||Herring Ben B|
|Original Assignee||Herring Ben B|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (5), Referenced by (39), Classifications (6)|
|External Links: USPTO, USPTO Assignment, Espacenet|
B. B. HERRING Nov. 14, 1967 STORAGE AND DISPENSING DEVICE FOR LIQUID INFANT FORMULA 2 Sheets-Sheet l Filed March 28, 1966 Fl Il I r. l Il:
w .J 6 Y 2 o [M wlw d l -?r.r#A/r f /JJ- w Nov. 14, 1
STORAGE AND DISPENSING DEVICE FOR LIQUID INFANT FOR Filed March 28, 1966 B. B. HERRING.
2 Sheets-Shee 2 United States Patent O 3,352,460 STORAGE AND DISPENSING DEVICE FOR LIQUID INFANT FORMULA Ben B. Herring, 229 S. Chase, Lombard, lll. 60148 Filed Mar. 28, 1966, Ser. No. 537,752 5 Claims. (Cl. Z22-129.4)
ABSTRACT OF THE DISCLOSURE The invention comprises a sanitary device for the storing of the components of liquid infant formula in which at least one of the liquid components is refrigerated and all of the components are jointly dispensed to a babys bottle.
This invention relates to a new and improved storage and dispensing device for liquid infant formula.
The methods and procedures used in the feeding of babies have been undergoing gradual change through recent years. The percentage of present day mothers nursing their babies is very small. Babies now are primarily fed from bottles. The specific types and even the general types of infant formulas for bottle feeding are changing. Automation is coming to baby feeds and feeding. At the present time the markets are replete with wide ranges of commercial formulas pre-mixed either in dry powder form or in canned liquid form. Many of these formulas must be kept under refrigeration. Oftentimes certain concentrated formulas are required to be diluted with water and then heated preliminary to filling nursing bottles for the feeding of babies.
It is a principal object of the present invention to provide a novel storage and dispensing device for infant liquid feed formula requiring the storage of at least two liquid parts and the maintenance of at least one under refrigeration.
Another important object of this invention is the pro- Vision f a novel storage and dispensing device for infant formula in which one liquid part is kept under refrigeration and the other liquid part is heated.
Another important object of this invention is to provide a novel storage and dispensing device for infant formula in which a measured quantity of a refrigerated liquid part and a measured quantity of a heated liquid part is delivered to a receiving nursing bottle for immediate feeding of the formula at a proper and palatable temperature to a baby and in a sanitary arrangement permitting repeated use without the retention of any residues after a use which might be delivered as stale formula on the next use.
Another and further important object of this invention is the provision of novel means to dispense a pre-measured and pre-heated amount of water into a container or nursing bottle along with a pre-measured and pre-cooled amount of concentrated infant formula.
A still further important object of this invention is to provide a novel device for delivering a consistently uniform formula at a desired temperature for immediate use in the feeding of a baby.
A still further important object of this invention is to provide a novel infant formula storing and discharging mechanism which delivers formula ready for immediate feeding to an infant at a uniform temperature.
Another and still further important object of this in- 3,352,460 Patented Nov. 14, 1967 refrigerator compartment and another liquid part of the formula is maintained in an adjustably heated compartment.
A still further important object of this invention is to provide novel means for adjusting the amounts of premeasured refrigerated and heated liquid parts of a liquid formula to be dispensed to a single receptacle.
Other and further important objects and advantages of this invention will become apparent from the disclosures in the following specification and accompanying drawings.
In the drawings:
FIGURE 1 is a top plan view of the storage and dispensing device for infant liquid formula of this invention.
FIGURE 2 is a front elevational view of the device as shown in FIGURE 1.
FIGURE 3 is an enlarged sectional View showing a detail of the heating unit disposed within a heating chamber and its proximity to a container of liquid to be dispensed.
FIGURE 4 is a perspective view of the device of FIG- URES 1 and 2 showing various doors open to permit a viewing of the interior thereof.
FIGURE 5 is an enlarged sectional detail taken through a refrigerated chamber of this device and depicting the liquid pre-measuring means of this invention.
As shown in the drawings:
The reference numeral 10 indicates generally a cabinet or housing for storing and dispensing infant liquid formula. The cabinet 10 is equipped with a bottom 11 and surface engaging buttons or the like 12 on which the cabinet may be easily moved. The cabinet further is provided with sides or ends 13 and 14, a back wall 15 and a front 16. Finally, the cabinet is completed with a top 17. An intermediate shelf or divider 18 separates the interior of the cabinet into upper and lower portions.
The upper portion of the cabinet includes a first chamber 19 which is located in the upper right-hand corner of the cabinet as viewed in the front elevational view of FIGURE 2. A well insulated door 20 is provided on the front of the first enclosed chamber 19. The door 20 is equipped with generally vertically disposed and vertically Vspaced apart hinges 21 which join the outer side of the door 20 to the cabinet side or end wall 14. The bottom of the first chamber 19 constitutes approximately onehalf of the intermediate shelf or cabinet divider 18. The walls of the chamber 19`and including the bottom and top are well insulated and are adapted to carry cooling coils 22 which are fed by a refrigeration unit 23 mounted Von and carried on the back wall 15 of the cabinet 10 adjacent thc first chamber 19. The chamber 19 is thus la refrigerator and in the present invention is adapted to receive and preserve one liquid part of an infant formula of a type having at least two liquid parts infwhich the one part must be kept refrigerated until immediately prior to its use. An electrical cable 23a is shown entering the refrigeration unit 23 and is utilized to deliver a source 'of electrical energy to the electrically operated refrigera- .tion unit 23. An adjustable thermostat 24 is located on the cabinet top 17 immediately above the first chamber 19. This thermostat 24 is utilized Vto control the degree of cold produced by the refrigeration unit for the first charnber 19. A hand knob on the outside of the door 20 is located at a position on the door opposite the hinge end so that a user of the device of this invention may gain access to the refrigeration chamber 19 by opening the door 20 through a horizontal plane about its hinges 21.
A second chamber 26 is positioned in the upper lefthand side of the generally vertically disposed cabinet 10 as viewed in the front elevational view of FIGURE 2. The chambers 19 and 26 are thus located side-by-side Within the cabinet 10 above the divider shelf 1S such that each chamber takes up approximatelyvone-half the space in the upper part of the cabinet. A door 27 is provided for the front of the second chamber 26 and corresponds in shape and position to the door for the first chamber 19. Vertically disposed and verticallyY spaced apart hinges 28 join the outer side of the door 27 to the cabinet side or end wall 13. A hand knob 29 is provided on vthe front of the door 27 at a position opposite the carrying hinges 28. The hand knobs and 29 for the doors 20 and 27 respectively are closely positioned to each other at the center of the front of the cabinet 10.
A heating unit 30, preferably electric, isk provided in the bottom of the second chamber 26 at a position above the intermediate cabinet shelf 18. The heating unit 30 is controlled by an adjustable thermostat 31 located on the top 17 immediately above the second chamber 26. The upper part of the cabinet 10 thus contains the two chambers, the first of which is refrigerated and the second of which is heated.
A third chamber 32 to provide for the storage of infant feeding bottles is located in the lower portion of the cabinet immediately below a substantial portion of the first chamber 19. This third chamber 32 is equipped with a front door closure 33. The door 33 is provided with vertically disposed and vertically spaced apart hinges 34 which join the right side thereof as viewed in FIGURE 2 to the cabinet side 14. A hand knob 35 is provided on the front of the door near the left side thereof as viewed in FIGURE 2 in substantially the vertical center of the door.
The lower part of the cabinet 10 also includes a fourth chamber 36 which is located below the divider shelf 18 in vertical alignment with a substantial portion of the second chamber 26. The fourth chamber is provided with a front door closure 37 which is mounted on vertically disposed and vertically spaced apart hinges 38 to the left side 13 ofthe cabinet 10 as viewed in FIGURE 2. A hand knob` 39 is provided on the front ofthe door 37 near the right side thereof as viewed in FIGURE 2 so that the knobs and 39 are generally symmetrically located on the lower portion of the front of the cabinet 10. A slideable drawer 40 having a hand pull member 40a is provided within the fourth chamber 36. The drawer is designed toY receive and store infant bottle nipples 41. A user of the device of this invention may easily gain access to the nipples 41 by opening the door 37 through a horizontal plane about its vertical hinges 38 and thereupon pull the drawer 40 forwardly and outwardly of the cabinet.
Thev lower portion of the cabinet 10 is completed with a center chamber or recess 42 which is located between the third and fourth chambers beneath the intermediate shelf 18 and above the cabinet bottom 11. This center chamber 42 constitutes the bottle filling station for infant liquid formula and will be subsequently described in more detail.
A supply of one liquid part 43 of the liquid infant formula requiring refrigeration is carried in a removably positioned container 44 such as a can or a fiber-board carton or box within the first chamber 19. The carton 44 is tilted as shown in FIGURES 2, 4 and 5 by an inclined tray-45 which is positioned on the top side of the intermediate cabinet shelf 18. A11 angle bracket, 46 has an arm 47 which is riveted or otherwise fastened at 48 tothe inside of the top 17 of the cabinet 10 within chamber 19. T he bracket 46 also includes a depending arm 49 to support the side of the tilted container 44. The container 44- is equipped with an openable cap 50 on the top thereof to permit filling with the liquid formulapart. A liquid outlet 51 in the form of a short tube is provided at the bottom of the container on the lowermost inclined --sidewhich permits the discharging of the liquid formula part 43 from the container 44. A flexible rubber type -hose member 52 fits over the short outlet tube 51 and is used as a conduit for delivering the liquid formula part Within the container 44 to a measuring apparatus to be subsequently described. A clamp. or valve means 53 is provided on the rubber hose 52 intermediate its ends and acts to permit opening or closing of the hose to the pas- Sage of liquid formula part therethrough. The clamping means 53 as depicted is merely one form of clamp which may be used. The clamp is for the purpose of pinching the hose to close the passageway when it is desired to make the device inoperable as a dispenser, Such as during cleaning of the apparatus.
A means 54 is provided to discharge a measured quantity of liquid. This means, generally identified by the numeral 54, includes a cylindrical housing 55 disposed so that its axis is positioned vertically within the lirst chamber 19 of the cabinet 10. This particular-apparatus is shown in detail in FIGURE 5 of the drawings. A liquid inlet 56 is provided in the cylinder 55 adjacent the bottom and one side thereof. A conduit 57 joins the liquid inlet 56 with the other end of the flexible hose 52 thereupon joining the liquid reservoir 44 with the measuring and dispensing apparatus 54. A spring-loaded check valve 58 is provided in the conduit 57 and permits passage of liquid only in one direction and that being toward the measuring and dispensing apparatus 54. The check valve includes a ball valve 59, an annular seat 60 for the ball valve 59 located in the direction away from the cylindrical housing 55, an enlarged chamber 61 for longitudinal slidable movement of the ball valve 59, and a coil extension spring 62 located in the enlarged chamber 61 which is adapted to urge the ball valve 59 away from the cylinder 55 and against its annular seat 60. This positioning of the ball valve 59 against the seat 60 closes the passage of liquid from the carton 44 in the rst chamber 19 through the first conduit means comprising the tube 51, the hose 52 and the conduit 57 with its included spring-loaded check valve until such time as the spring 62 is overcome by other forces. A liquid outlet 63 is provided in the cylinder 55 adjacent the bottom thereof and on the side at a position -arcuately spaced from the inlet 56. A conduit 64 joins the liquid outlet 63 and is adapted under certain conditions to receive and discharge therethrough a quantity of the liquid which passes from the reservoir 44 to the cylinder 55. A spring-loaded check valve 65 is provided in the conduit 64 and is somewhat similar to the spring-loaded check valve located in the conduit 57 on the inlet side of the cylinder 55. The check valve 65 includes a ball valve 66 which cooperates with an annular seat 67 located within the conduit in a direction toward the cylindrical housing 55. An enlarged chamber 68 is provided for the ball valve 66 to permit sliding of the ball in a longitudinal `direction within the conduit 64. A coil extension spring 69 is located in the enlarged chamber 68 and urges the ball valve 66 toward the cylinder 55 and against its cooperative annular seat 67. This positioning of the ball valve against its seat causes a closing of the conduit 64 to the passage of liquid from the cylinder 55 and out the liquid outlet 63. The conduit 64 and its included check valve 65 constitutes a second conduit means. A discharge nozzle or spout 70 is joined with the conduit 64 and is provided with a downwardly projecting open end portion 71 which passes through the intermediate shelf 18 andenters into the top of the bottle filling recess 42.
The cylinder 55 is provided with a piston 72 which is vertically slidable therein. The piston 72 is equipped with vertically spaced apart annular sealing rings 73 and 74 to provide sealing means between the piston and the internal wall of the cylinder 55. A vertically disposed piston rod 75 is threadedly engaged at 76 to the top of the piston 72. A cap or cylinder cover 77 is threadedly engaged at 78 around the top annular side of the cylinder 55. A small venting aperture 79 is provided in the cap 77 to prevent the entrapment of air Within the cylinder on top yof the piston 72. A central aperture or passageway 80 is provided in the cap 77 to permit the slidable passage therethrough of the piston rod 75. An adjustable piston stroke limiting. meansA is provided in association with the 'cylinder and piston to permit the displacement of a measured amount of liquid from the cylinder 55. This adjustable limiting means is in the form of a rod 81 which may be threaded over substantially its full length. The lower end 81a of the rod 81 abuts the top surface of the piston 72 at a position spaced from the central position of the pistonrod 75. A threaded passageway 81b is provided in .the cap 77 for the threaded engagement therethrough of the limit -rod 81. A cap or finger button 82 threadedly engages the top of the limit rod 81 and acts as a handle jto adjust the rod 81 relative to the cap 77. If it is desired to increase the stroke of the piston 72, the limit -rod 81 is raised -by screwing the rod 81 out farther from its engagement with the cap 77. This then causes the lower end 81a of the rod to lbe spaced higher in the cylinder 55 thus permitting greater displacement movement of the piston 72. If it is desired to shorten the length of the piston stroke then the limit rod 81 is screwed into the cap 77 a greater distance thus shortening the effective piston stroke by reason of moving the lower end 81a of the rod 81 downwardly within the cylinder 55.
An angle bracket 83 has a vertically disposed arm 84 which is attached to one of the walls of the interior of 'the cabinet. The vertical bracket arm 84 is illustratively shown attached by means of fasteners 85 to a vertically disposed insulated Wall 86 which acts as the central separator between the rst and second chambers 19 and 26. A generally horizontally disposed arm 87 of the bracket-S3 lies on the top of the cylinder cap 77 and acts to hold the cylinder 55 in a relatively stationary position within the chamber 19 during operation of the device. The cylinder 55 is provided with a bottom 8S disposed immediately below the inlet 56 and the outlet Y As shown in FIGURES 2 and 4 the piston rod 75 is provided at Aits upper end with a handle or knob 89 located above the top 17 of the cabinet 10. In the operation ofthe means 54 to cause a discharging of a measured quantity of liquid, the operator engages the knob 89 and pushes downwardly thereon causing the piston rod 75 and thus the piston 72 to be moved downwardly within its cooperative cylinder 55 thereby causing liquid formula part, identified by the numeral 90 within the cylinder, to be moved downwardly. The pressure thus created by the downwardly moving liquid causes a positive closing of the spring-loaded check valve 58 and a simultaneous opening of the spring-loaded check valve 65. The amount of liquid formula part displaced by the piston 72 is moved through the outlet 63 of the cylinder, past the check valve 65, and out the discharge nozzle 71 which has its outlet in the central recess or chamber 42 in the lower half of the cabinet 10. ln the event the operator wishes to discharge greater or lesser quantities of the refrigerated liquid part kept in the first chamber 19, the limit rod 81 is raised or lowered as desired. When the hand knob 89 is moved downwardly lit causes a concurrent dispensing of the refrigerated liquid formula part directly into a sterile infants feeding bottle 91 which has been positioned within the receiving chamber 42. The center recess 42 in the cabinet 10 is iianked by spaced apart side walls 92 and 93. In continuing the operation and preparing the device for succeeding discharges `of liquid formula, the handle 89 on the piston rod 75 is pulled upwardly whereupon the ball valve 66 on the spring-loaded check valve 65 is now pulled against its annular seat 67 while the -ball valve 59 in the springloaded check valve 58 is pulled away from its annular seat 60. This action causes liquid form-ula 43 to be pulled from the supply container 44 into the cylinder 5S in the manner of a pump. The upward movement of the piston 72 thus acts las a suction pump to recharge the cylinder 55 4and make it ready for the next dispensing.
The dispensing of -the non-refrigerated formula part from the second chamber 26 is accomplished in exactly the same manner as for the refrigerated liquid part. In the second chamber 26 there is of course the heating element 30 which is controlled by the adjustable thermostat 31 so that the liquid art in that chamber is heated to a desired degree to cause a tempering of the refrigerated liquid and make the combined liquid formula parts as they are dispensed to have a temperature which is conducive to immediate feeding to a baby. As shown in the second chamber 26 there is included an inclined rack 94 disposed above the heating coils 30. A container or carton 95 has a supply or reservoir of the second liquid formula part 96. This liquid 96 may be distilled water which would be mixed with a concentra-ted first liquid part 43. A bracket 97, comparable to the bracket 46 in the refrigerated first chamber 19, is adapted to hold the container 95 in its inclined position on the inclined rack 94. The container 95 i-s provided with a removable cap 9S to permit filling of the container or reservoir with the second liquid formula part 96. A first conduit means 99 joins the outlet of the container 95 with'a liquid discharge and dispensing means 100 which is comparable to the liquid discharge and dispensing means 54 located in the first chamber 19. A valve clamping member 101 is provided in the first conduit 99 to open or close the passageway through the conduit. If it is desired to wash or clean the various parts in this food dispensing apparatus at a time when there is liquid formula in either of the reservoirs 44 or 95, the clamp valve members 53 and 101 should be closed to permit removal and washing of the measuring kand dispensing cylinder and pisto'n as well as the discharge nozzles without loss of formula. A spring-retained check valve 102 is provided in the first conduit 99 within the second chamber 26 to thereby permit an automatic closing of the conduit when the measuring and discharging means discharges liquid or an automatic opening of the conduit when the measuring and -discharging mean-s has liquid discharged from it in the manner as described for the device 54. The heated liquid is delivered through the conduit 99 to a cylindrical housing 103, which as stated for the device 54, includes a cap member 104 through which a piston rod 105 slides. A hand engaging knob 106 is provided on the top end of the piston rod which projects up through the -top 17 of the cabinet 10 and an operator thus manually controls the discharge of heated liquid in the same manner as he controls the discharge of refrigerated liquid. Here again, a limit rod 107 having a cap 108 provides for the adjustment of the amount of heated liquid delivered to the infants feeding bottle 91. A liquid inlet 109 is provided on the lower side of the cylinder 103 and at an annularly spaced apart position on the cylinder 103 there is also provided a liquid outlet 110. A secon-d conduit means 111 joins the outlet with a spring-retained check valve 112 which is in effect a part of the conduit 111. A discharge nozzle 113 is joined to the outer end of the check valve 112 and provides for the downward delivery of the measured quantity of heated liquid formula part through the intermediate shelf '18 and directly into the top of an infants feeding bottle 91. The discharge nozzles 70 and 113 are disposed in side-by-side relationship to one another as shown in FIGURE 2 of the drawings. A bracket 114, comparable to the bracket 83, holds the cylinder 103 in fixed position within the second chamber 26.
It is apparent from the description of the device herein that measured quantities of pre-stored refrigerated and heated liquid formula parts may be severally directly delivered to an infants feeding bottle. The combined liquid parts act to temper each other and the resultant formula is ready for immediate feeding to an infant at the proper temperature. Numerous details of construction may be varied throughout a wide range without departing from the principles disclosed herein and I therefore do not propose limiting the patent granted hereon otherwise than as necessitated by the appended claims.
used, comprising a generally vertically disposed cabinet having an upper part and a lower part, a first refrigerator chamber on one side of the lateral center of said upper Vpart and a second chamber on the other side of the lateral center of said upper part, said chambers having a common verticalk wall adjacent the lateral center of the cabinet, a bottle receiving chamber in said lower part of the cabinet disposed beneath the common vertical wall between the first :and second chambers in the upper cabinet part and extending a distance to each side thereof, a liquid dispensing means in said first refrigerator chamber, a liquid dispensing means in said second chamber, a liquid container in said first refrigerator chamber adjacent said dispensing means in said chamber, a liquid container in said second chamber adjacent to said dispensing means in said chamber, each of said containers tilted within said chambers and connected at their bottoms to said dispensing means, a dispensing nozzle extending downwardly from each dispensing means in each of the first and second chambers into the top of the bottle receiving chamber in the lower part of the cabinet, and a bottle in said bottle receiving chamber directly below said dispensing nozzles whereby the arrangement of the chambers and the tilting of the containers produces a sanitary dispenser which avoids residues of liquid formula parts in the dispensing means to thereby avoid the dispensing of stale or spoiled infants formula.
2. A sanitary storing and dispensing device for infant formula as set forth in claim 1 in which each dispensing means includes a pump having a vertically disposed operating rod extending upwardly from each of the iirst and second chambers Iand through the top of the cabinet.
3,. A sanitary storing and dispensing device for infant formula as set forth in claim 1 in which said dispensing means includes adjustable means for controlling the amount of liquid formula part dispensed by each of said 4 dispensing means by said pumps.
4. A sanitary storing and dispensing device for infant formula asset forth in claim 1 in which each dispensing means includesV a pump having a vertically dfsposed operating rod extending upwardly from each'of tlierst and second chambers land an operating handle Yfor each vof said vertically disposed operating rods to effect operation of said pumps.
5. A sanitary device for the storing and dispensing of infant formula of the type having at least two liquid parts, one liquid part of which must be kept refrigerated until used, comprising |a generally vertically disposed 10 cabinet having an upper part and a lower part, 'a` iirst refrigerator chamber on one side of the. lateral center of said upper part and a second chamber on the `other side of the lateral center of said upper part, Vsaid chambers having a common vertical wall adjacent the lateral center of the cabinet, a bottle receiving chamber in said, lower part of the cabinet disposed beneath the common vertical wall between the first Iand second chambers in the upper cabinet part and extending a distance toeach side thereof, a liquid dispensing means in said first refrigerator chamber, a liquid dispensing means in said second chamber,
-a liquid container in said first refrigerator chamber adjacent said dispensing means in said chamber, a liquid container in said second chamber adjacent to said dispensing means in said chamber, each of said containers connected to said dispensing means, means delivering liquid from each dispensing means in each of the iir-sty and ksecond chambers into the top of the bottle receiving chamber, in the lower part of the cabinet, and a bottle in said .bottle receiving chamber directly below said delivery means.
References Cited UNITED STATES PATENTS 441,628 11/1890 Coon et a1 22a-,14,6
2,698,703 1/'1955 Harvey 141-104 X 2,784,879 3/1957 Fischer zzz-482x 2,979,233 4/1'961 smith et e1. 22a-135 3,105,616 10/1963 Krup zzz-,135x
ROBERT B. REEVES, Primary Examiner. F. R. HANDREN, Assistant Examiner.v
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