US1830044A - Refrigerating apparatus - Google Patents

Description

Nov. 3, 1931.

B. J, VANDOREN REFRIGERATING APPARATU Filed March 51, 1930 3 Sheets-Sheet 1 INVENTOR *4 ad ATTORNEY Nov. 3, 1931. 8., J. VANDOREN I 1,830,044

REFRIGERATING APPARATUS Filed March 31, 1930 s Sheets- Sheet 2 1931- I 'B. J. VANDOREN 1,830,044

'REFRIGERATING APPARATUS I I Filed March 31, 1930 I 3 Sheets-Sheet 3 INVENTOR Adm Mum ATI'ORNEY Patented Nov. 3, 1931 v UNITED STATES 1 .'r 1a:1-1'r oFFIcE I BERNARD J. FANDOBEN, 6F DAYTON, OHIO, TASSIGN 'OB TO FBIGIDATBE OOBEORATION,

or DAYTON, 0310, A oonrorm'rron or DELAWARE anrarenaa'rme AII-ABATUS Application filed m n 31, 1930. Serial 110.440,!585.

, V This invention 'relates'to refrigerating apparatus and more articularly to domestic mechanically cooled refrigerators provided with means for storing and preserving green vegetables or the like.

An object of .this invention is to provide the mechanical refrigerator, for instance of the household type, with means for storing green vegetables so that their original crlspness may be retained or restored.

Further objects and advantages of the present invention 'will be apparent fromthe following description, reference being had to the accompanying drawings, wherein a preferred form of the present invention is clearly shown. x In the drawingsi Fig. 1 is a front elevation of a-refrigerator J embodying features of this invention;

Fig. 2 is'an enlarged-cross-sectional view taken along the line 2- 2'of Fig. 1;

Fig. 3 is a vertical cross-section taken along.

the line 33 of Fig. 2;

Fig. 4 is a horizontal cross-sectional view taken along the line H of Fig. 1;

Fig. 5 is a side elevation, with parts broken away and a further enlarged scale, of the receptacle'shown in Fig. 2; a

Fig. 6 isfa side elevation, taken from the rear, of the receptacle and its support;

Fig. 7 is. anenlarged front elevation of a I portion of the receptacle'and its support, and

Fig.8 is a view in cross section showing another type of receptacle and cover therefor'embodying featuresof the present invention.

A refrigerating apparatus embodying features of this invention may include a refrigcrating apparatus, generally designated as 20 the domestic type.

which may be a mechanical refrigerator. of Thus it may include a mechanical coolmg unit, for instance of the evaporator type, generally designated as 21. This unit may be provided with refrigerant which provides temperatures below the temperatures of melting ice. The refrigerator may alsoinclude a cooling chamber or compartment 22 which may be provided with one or more'shelv'es 23 and 24 In a structure of this kind air circulates within the cooling chamber or compartment .22 and passes in contact with ing' unit 21. This action reduces the humidity of the air to-such anextent that articles placed in the compartment are liable to have an injurious amount of moisture evaporated therefrom. This is particularly true with respect to green vegetables, such as lettuce, celery, radishes, carrots and the like.-

Means may be provided in the refrigerator for storing such vegetables as those enumerated above, so that their original crispness is maintained or restored. Thus a receptacle 25 may be provided, which receptacleincludes a cover 26 so .that'the circulation of air beat 27 and 28, to the front and rear outer wires of the shelf. The wire may be provided with a downward and outward offset 29 permitting the receptacle 25 to slide into and out from under the shelf 23. The receptacle 25pre'ferably is of suflicient length to accommodate .celer of ordinary length, and of suificient widt and depth to accommodate vegetables such as head lettuceor the like. Thus a receptacle linches in length, 7 inches in width and 4 inches in depth has been found satisfactorythe mechanical cooltween the receptacle and the compartment is The cover may be, though not necessarily, separate from either the receptacle 25 or the slideways 26a. Preferably the receptacle 25 is provided with an outwardly and downwardly directed 'flange 30 which is adapted to rest on the slideways 26a. This flange may have its downwardly directed lid cut away at the rear corners as'at 32 in order to permit 'the receptacle to slide along the slideways 26a. Preferably the'cover 26 also is provided with a downwardly directed flange 31 adapted to extend around the flange 30 along the slideways 26a and with notc es at the rear corners as at 33a. The front of the receptacle may have its flange extended as shown at 35 to form a handle for pulling out the receptacle.

Preferably, the receptacle 25 may be moved or slid in either direction while the cover 26 remains stationary. Thus the outwardly extending flange 31, of cover 26, may be directed upwardly at the front end 33 thereof to thus permit the receptacle 25 to be drawn forward. In order to retain the cover 26 in position while the receptacle 25 is being pulled out, a wire 36 having its ends wrapped around as at 36a and dependnng from the slideways 26a, has been provided. Thus the outwardly extending flange 31, of cover 26, may be directed downwardly to form a curled edge 38 which is placed over the wire 36. Thus the receptacle may be slid in either direction while the curled edge 38 engages the wire 36 to retain the cover 26 in position. The cover may be removed independently of the receptacle by tilting the front end thereof, until the curled edge 38 is above the wire 36, for instance by using the portion 30b of the receptacle as a fulcrum, then removed by sliding same forward.

The receptacle 25 may be removed entirely from under the shelf without removing the cover 26, and it may be reinserted with its flanges 30 between the cover and the slideways 26a by lifting up the front end 33 of cover 26 with the rear portion 30a of flange 30 and then by sliding the receptacle into its proper position. When the receptacle is with-. drawn, the flanges 31 of cover 26 will rest on the slideways 26a until the receptacle is replaced as previously described- If desired, the rece tacle 25 and its cover 26 may be removed rom under theshelf 23 as a unit. This may be accomplished by first moving the rear portion of the receptacle upwardly until the flanged end 38 of the cover is above the wire 36, then drawing the receptacle and its cover toward the front of the shelf until said receptacle and cover are free from the slideways and shelf.

Since some or all of the structures shown are preferably porcelain enameled, it is desirable to prevent contact between the receptacle and the lining 41 of the compartment 22. This may be accomplished by providing a bumper 42 which may be made of rubber and carried by countersunk bolt 44. at the rear of the receptacle 25.

Referring to Fig. 8 there is shown a receptacle 25a which may correspond to the receptacle 25 omitting the rubber bumper. The receptacle 25a is provided with a cover 26?) which may be similar to the cover 26. However, the cover 26?; is provided with an indented portion which limits the outward movement of the receptacle 25a. Thus when the receptacle is moved outwardly until it reaches a predetermined point which I have indicated in dot and dash lines, the inside upper rear portion of the receptacle 25a will normally engage the indented portion 50 to thus prevent the entire removal of the receptacle from under the shelf. This is advantageous since it prevents the possibility of the rear portion of the receptacle falling downwardly should the receptacle be unexpectedly moved outwardly too far. However, if desired, the receptacle 2511 may be entirely removed from under the shelf by lifting the front end of the cover 265 upwardly until the indented portion 50 clears the receptacle 25a then removing said receptacle by pulling same forward.

Prefera ly, the receptacle 25a may be moved in either direction on the slideways while the cover 26?) remains stationary. In order to retain the cover 26b in position while the receptacle is being moved, the cover 260 may be provided with an outwardly directed flange 38a which may be formed in the shape of a double U having three parallel sides namely, 52, 53 and 54. Thus the flange 38a may be placed over the wire 36 with the parallel sides 52 and 53 on opposite sides of said wire. Thus, when the receptacle is being moved outwardly the side 52 of flange 38a will engage the wire 36 to retain the cover 26b in position. When the receptacle is being moved inwardly the parallel side 53 of flange 380; will engage the wire 36 to retain the cover 266 in position. The parallel side 54 of the flange 38a is adapted to stop the receptacle on its rearward movement when the receptacle reaches its proper closed position. Thus when the outwardly directed curled edge 55 of .receptacle 25a engages the parallel side 54 any further rearward movement of the receptacle is revented since the side 53 of flange 38a will engage wire 36 to act as a stop for the receptacle 25a. Thus it will be noted that the movement of the receptacle 25a is limited in the one direction by the indented portion 50 of the cover 265 and in the opposite direction by the parallel side 54 of flange 38a.

The cover 26?) may be removed independently of the receptacle 25a in the same manner as the cover 26 is removable from the receptacle 25. Also, the receptacle 25a and its cover 26b may be removable as a unit in the same manner as the receptacle 25 and cover 26 areremovable as a unit.

Ventilating means for providing a restricted circulation between the inner part of the receptacles 25 and 25a and the compartment 22 may be provided. This may be accomplished by providing one or more apertures 40 along the upper part of the receptacles 25 and 25a. In areceptacle of the size above indicated, three holes on each side of inches in diameter have been found satisfactory.

The preferred method of utilizing the retables is to wash the vegetables andthen while a certaln'amount of free moistureremains on vegetables to place the same in either the receptacle '25 orreceptacle 25a under the shelf 23 with the cover over'the receptacle. It has been found that with a limited circulation through the ventilating means that the original crispness of the vegetables is retained or restored. The construction. preferably is such that with a cooling unit of the float controlled type such as shown in the patent to R. G. Osborn, No. 1,556,708, issued October 13, 1925, and'with the cooling unit maintained at substantially 20 F. so that the air circulatin around the receptacle 25is at 45 F. satis actory results are obtained if the ventilating means permits the daily evaporation of approximately one fivehundredth by weight of the maximum vegetable content of the receptacle 25 or receptacle 25a.

Thus if the receptacles are adapted to contain 5 lbs. of vegetables, with the temperature 1 conditions above indicated it has been found that one one-hundredth of a-pound of moisture may be evaporated dailyfrom the contents of the receptacleand that under suchc'onditions the original crispness of the vegetables is retained or restored unless. the vegetables have been unduly wilted so that their cells have been destroyed.

While the form of embodiment of the invention as herein disclosed constitutes a preferred form, it is to' be understood that'other forms might be adopted, all coming within.

the scope ofthe claims which follow.

What is claimed islas follows:

- 1. A refrigerating apparatus comprising a cooling chamber, a shelf therei'n' for articles the movement of said taclennder said shelf and supported thereby for storage of ve tables or the .-like,-a cover for said receptac 'e supported by said recep-. tacle, there being ventilation means for. providing a restricted ventilation between said chamber and receptacle and means for retaining said cover in posltion when the receptacle is being moved. p

.5. Refrigerating apparatus comprising a cooling chamber, a shelf therein for supporting articles to be cooled, a removable rece tacle under said'shelf and supported there y for storage of vegetables or the like, a cover for said receptacle supported by said'receptacle, there being holes-formed by saidv receptacle in at least one wall thereof providing arestricted ventilation between said chamber and receptacle, and means for retaining said cover in position when the receptacle is, being moved. a '6. A refrigeratingapparatus comprising cooling' chamber, a shelf therein for support- I ling articles to be cooled, a removable recepa cooling chamber, a shelf therein for supcover for said receptacle supported by said-- receptacle, means .for retaining said cover in position when the receptacle is being moved in either direction, and-means for limiting direction.

In testimony whereof I hereto aflix my sig-' nature. 1

shelf, a receptacle slidable on said slideways,

a cover-for said receptacle supported by said receptacle, and means forretaming said cover in position when the receptacle is being slid.

2. Refrigerating apparatus compris ng a cooling compartment, a shelf therem forarticles to becooled, slidewa s depending from cover in on 4. Refrigerating apparatuscomprising a said shelf, a: receptacle sli ableon saidslide ways, a-cover for-said receptacle supported.

by said receptacle, and means. dependm from one of said slideways for retain sai position-when'the receptacle is being slid to- ,be cooled, slidew'ays depending from :said shelf, a receptacle slidable' on said slide- A refrigerating ap aratus comprising a cooling chamber, a shel therein for articles ways and removable therefrom, a cover for.

said receptacle supported by said remaptacle, and means for retaining said cover in position when the receptacle being slid and saidcover resting on said slideways when'the receptacle is removed therefrom.

BERNARD J. VANDOBEN.

receptacle in either a

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