US1644981A - Refrigerator construction - Google Patents

Description

.Qct. 11 1927.

L. G. COPEMAN REFRIGERATOR CONSTRUCTION Filed Jan. 17, 1924 3 Sheets-Sheet 2 INVENTOR. Z5051 6.- (a 06721472 W ATmRNEx- I L. G.'COPEMAN REFRIGERATOR CONSTRUCTION Filed Jan. 17, 1924 rk Q l l l I I l |||0\||||l|'| llvlmluulllllllllllllw 0 a c a l l l l I'll l l l I l ll w o p lflrllilhlolll IJIIIIIIE n. v u n m +.n Wm

IN V EA) TOR. .ZZbyY 6 [4019mm Oct. 11, 1927.

Patented Oct. 11, 1927.

UNITE sitar @EFFECE.

LLOYD G. COPEMAN, 0F FLINT, MICHIGAN.

REFRIGERATOR CONSTRUCTION.

Application filed January 17, 1924. Serial No. 886,882.

casting stone onto fibrous material has been described in my previous application Serial No. 681,901, and need not be here described in detail. Means are provided however for mechanically uniting the cast stone shell to the wooden front so as to form a complete unit of the outer shell comprising a wooden front with a cast stone side, top and bottom walls. One advantage of using a wooden front is that the inner shell which partitions off the ice chamber and food chamber from the rest of the refrigerator may be abutted against the wooden front, thereby insualting the ice chamber and food chamber from the exterior walls of the outer shell. As is well known, wood is a very good heat insulating material and in cast stone refrigerators of this character, it is necessary that the interior be thoroughly insulated from the exterior as stone is a very good conductor of heat.

Another advantage of the wooden front is to provide a more suitable medium to support the hardware and fittings.

Still another advantage is that the wooden front is better suited to withstand the shocks incident to the slamming of the doors.

In the drawings:

Fig. l is a front elevation of a refrigerator constructed in accordance with my invention.

Fig. 2 is a horizontal sect-ion taken on the line 2-2 of Fig. 4.

Fig. 3 is a vertical section taken on the line 3-3 of Fig. 2.

Fig. 4 is a section taken on the line 4- l of Fig. 3.

Fig. 5 is a fragmentary perspective View of one corner of the refrigerator front, showing the reinforcing angles secured thereto.

The refrigerator comprises the cast stone outer shell a and the cast stone inner shell Z). The entire front 0 of the refrigerator is of wood and provided with suitable door openings so that access may be had to the ice chamber and the food compartments. Secured to the back side of this wooden front 0 are perforated angle irons (Z. These angles are located about the four sides of the front and the outer shell is cast directly onto the wooden front, the cement flowing around the angle irons and passing through the holes 6 in the upright web of the angle irons.

Since these angle irons are permanently secured to the front by means of screws or other fastening devices, the stonework of the outer shell is cast directly onto the wooden front and this forms a unit construction of the outer shell which comprises a wood front and cast stone top, bottom and side walls.

The refrigerator here illustrated is commonly known as a sideicer. The inner shell which divides the ice chamber from the food compartments is. substantially L shaped, and is shown distinctly in 4. This inner shell is assembledto the open back of the outer shell and abuts the Wooden front of the refrigerator. The angles 10, are secured to the wooden front and this inner shell is fitted therein so that the front of the said inner shell will rest on the horizontal angle and is held against sidewise movement by the vertical angles. The back plate f is fitted into the opening in the back of the outer shell, and the inner shell is provided with a plurality of bosses g in which are anchored the'tapped bushings k; screws 2' pass through this sheet metal back 7" and into the tapped bushings for holding the inner shell in place within the outer shell. Suitable insulating material j is rammed in between the inner and outer shells and around the ice chamber for further insulating the interior of the refrigerator from the outside atmosphere.

A perforated fiber sheet is cast within the stonework and serves to reinforce the same. This construction of course is similar application Serial No. 653,090 and need not be described here. The ice chamber m is of usual construction and in fact, the general shape and arrangement of my refrigerator may be varied without departing from the spirit of my invention, whichis to cast an outer shell of stonework onto a wooden front and to telescope the inner shell within the outer shell, the wood front serving to insulate the two shells.

hat I claim is:

1. A refrigerator, in which the outer Shell to the construction described in my previous V of another material having a reinforcement reinforcement and the remainder of the shell is a solid cast stonework and the front is mechanically united theretoand cast into the stonework. r

2. A refrigerator, in which the front is a wooden member having a perforated angle isofstonework cast onto such reinforcement.

3. A refrigerator, having the. outer shell constructed of stonework with a wooden front united thereto; and an inner shell of stonework elescopical y" suppor e w spect to the outer shell and abut-ting up Vagainstthe wooden front of the refrigerator.

' 4i. A refrigerator, having an outer shell of reinforced.stonework united with a front of material having a low heat conductivity, and an inner shell supported in spaced relation with respect to the stonework outer shell by abutting against the Wooden front.

In testimony whereof I have affixed my signature.

LLOYD e. COPEMAN.

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