US949692A

US949692A - Ice-cream freezer.

Info

Publication number: US949692A
Application number: US41515708A
Authority: US
Inventors: Elmer I Young
Original assignee: POLAR STAR Co
Current assignee: POLAR STAR Co
Priority date: 1908-02-10
Filing date: 1908-02-10
Publication date: 1910-02-15
Anticipated expiration: 1927-02-15

Description

E. I. YOUNG. ICE CREAM FREEZER.

APPLICATION FILED FEB. 10, 1908.

Patented Feb. 15, 1910.

E. I. YOUNG.

ICE CREAM FREEZER. v

APPLICATION FILED FEB.10, 190s.

Patented Feb. 15, 1910.

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s'ra'ilns ELMER I. YOUNG, OF NEW YORK, N. Y., ASSIGNOR TO POLAR STAR COMPANY, A CORPORATION OF PENNSYLVANIA.

ICE-CREAM FREEZER.

To all whom it may concern:

Be it known that I, ELMER I. YOUNG, of New York city, New York, have invented a new and useful Improvement in Ice-Cream Freezers, which invention is fully set forth in the following specification.

This invention relates to improvements in ice-cream freezers, the general objects being to provide a freezer, especially adapted to household use, which shall be of simple, clurable and cheap construction, easily operable, and the parts of which may be readily assembled and disassembled.

The novel points in construction and combination of elements constituting the present invention, and which contribute to the attainment of those objects, may be more readily explained and understood by reference to the accompanying drawings, wherein I have shown what is now believed to be the preferred embodiment of the invention, and wherein- Figure 1 is a perspective View of the freezer with portions of the walls of the icereceptacle and cream-can broken awa to more clearly show the parts within; Fig. 2 is a detail perspective view illustrating the connections between some of the elements; Fig. 3 is a vertical sectional view of the freezer, the line of section extending through the axis of the cream-can; and Fig. 4 is a horizontal section on line 4-4, Fig. 3.

5 is an ice-receptacle preferably in the form of a bucket of cylindrical shape. It may be constructed of wood, compressed fibrous composition such as commonly used in making buckets and other receptacles, but (especially for freezers of small size) I prefer to use metal, such as galvanized iron or tin. As illustrated in the drawings, the edge of the upper open end of the ice-receptacle is strengthened by bending the sheet metal around wire 6.

7 is an opening in the side of the receptacle for the overflow of salt-water, the edge of this opening being strengthened by a wire in a manner similar to that above explained.

S is a. cross-bar extending across the open end of the ice-receptacle; it may take any suitable form, such as a casting, but, as illustrated in the drawing, is preferably made of a piece of heavy sheet metal stiffened and strengthened along its edges by bending said Specification of Letters Patent.

Application fiIed February 10, 1908.

Patented Feb. 15, 1910.

Serial No. 415,157.

edges over a wire 9. At one end of the cross-bar the projecting ends 1010 of wire 9 are bent downward through openings l1l1, respectively, in the wall of the icereceptacle, and then upward into contact with the under-side of the cross-bar, thus forming a hinge attaching one end of said bar to the ice-receptacle. At the other end of the cross-bar the wire 9 is looped and bent to form a handle or grip 12 and projections 13-43, the latter adapted to spring over and grip under the rib around the edge of the receptacle, thereby holding the detachable end of the cross-bar in engagement with the ice-receptacle while the freezer is being operated. The handle or grip 12 of the wire stands out clear of the outer surface of the ice-receptacle so as to be easily grasped in disengaging the parts of the freezer. About mid-way of its length the cross-bar has therethrough a squared opening 15 surrounded by an up-turned flange 16, the purpose of which will be hereafter explained.

17, which will be hereinafter designated the cream-can, is a receptacle for the cream or other mixture to be frozen. As shown in the drawing, it is of cylindrical form and is provided with a cover 18 for closing its upper open end, the lower edge of said cover being adapted to bear against an outwardly projecting rib 19 around the can near its open end.

21 is an elongated flange or tube extending upward from the top of cover 18 about a central opening therethrough, this flange preventing salt-water or other foreign material from finding its way down through the top of the can into the cream-receptacle.

22 is a stub-axle passing through the bottom of the can at about the center thereof and soldered or otherwise rigidly secured in place; this stub-axle also passes through and is soldered or otherwise secured in an opening in the center of a bulged washer 23, which latter is secured around its edge to the bottom of the can. The projecting end of the stub-axle 22 engages and is adapted to turn in a socket 241 fixed to the bottom of the ice-receptacle, the lower edge of the bulged washer 23 resting and turning against the annular lip of said socket. A socket 255, square in cross-section, extends longitudinally through a portion of the length of the stub-axle 22, opening at the upper end of the latter into the interior of the creamcan 17.

Within the cream-can there is located a beater or scraper-frame, which, as most clearly shown in Fig. 2, may be formed of fiat strips of metal bent at their

ends

26, 27, to overlap in a horizontal position, the

vertical portions

28, 29, being bent to present inclined blades with relation to the inner surface of the wall of the cream-can as the latter rotates in the direction indicated by the arrow in Fig. 4:.

30 is a hollow shaft or spindle passing through and secured by solder or otherwise in vertical openings through the

overlapping ends

26, 27 of the strips of the beater or scraper frame. The lower extremity of this tubular shaft or spindle fits over a bearing on the bottom of the cream-can formed by the end of the stub-axle 22 projecting upwardly within the cream-can, while the upper end of said tubular spindle extends upward through the tubular flange 21 on the cover 18, and has a squared extremity 40 over and about which the squared socket 15 of the cross-bar 8 is adapted to engage and prevent rotation of said tubular spindle and the beater and scraper frame attached thereto, and also serving to hold the cream-can and its associated parts in their vertical position during operation of the freezer.

31 and 32 are beater blades soldered or otherwise secured to the tubular spindle 30.

33 is a shaft or spindle extending vertically within the tubular spindle 30, and having its lower extremity squared or flattened at its sides to fit into the squared socket 25 of the stub-axle 22. At its upper end shaft 33 is bent at right angles in a horizontal direction and carries a knob or handle 34, thus providing a crank which may be turned to rotate the cream-can, while the beater or scraper frame and blades 31, 32- attached to the tubularspindle 30, are held against rotation by engagement of the socket 15 with the squared upper end 410 of said shaft 30.

In separating the parts the shaft 33 is first withdrawn by pulling upward thereon. The free end of the cross-bar 8 is then disengaged from the rib around the upper edge of the ice-receptacle by an outward pull on the handle 12; cross-bar 8 is swung upward disengaging socket 15 from the squared end 40 of tubular spindle 30. The cream-can and parts within may then be lifted out of the ice-receptacle and the cover 18 removed. The tubular shaft and parts fastened thereto may then be lifted out of the cream-can, the lower end of said tubular'shaft readily disengaging itself from the bearing formed by the inwardly projecting end of the stub-axle 22, which latter rotates in said lower end of the tubular shaft when the freezer is being operated. As will be apparent,this proceeding may be reversed in re-assembling the parts of the freezer.

Vith the parts assembled, as shown in Fig. 1, it will be apparent that rotation of the handle or knob 34, will cause the shaft 33 to rotate the cream-can by reason of the squared lower end of said shaft engaging the squared socket 25; during this operation the tubular shaft 30 and parts fixed thereto will remain stationary; by reason of the squared opening 15 of cross-bar 8 fitting about the squared upper end 40 of the tubular shaft.

l/Vhat I claim is 1. In an ice-cream freezer, the combination of an ice receptacle; a cream-can having a bearing fixed to its bot-tom wall and mounted to rotate on an upright axis in the ice receptacle; a tubular spindle extending axially within the cream-can, the lower end of said'spindle engaging and being held in position by said bearing, and the upper end of said spindle projecting through the top of the cream-can; means engaging said projecting end of the spindle to prevent it from rotating with the can; beating or scraping means carried by the spindle within the cream-can; a driving shaft adapted to be removably extended through the tubular spindle and at its inner end connecting with the cream-can to rotate the latter; and means at the upper end of said driving shaft to rotate the same-and with it the cream-can.

2. In an ice-cream freezer, the combination of an ice receptacle; a cream-can having a bearing fixed to and projecting upward from the bottom wall thereof, said cream-can being mounted to rotate on an upright axis in the ice-receptacle; a tubular spindle extending axially within the creamcan, its lower end engaging about the upwardly projecting bearing to hold the spindle in position, and the spindle at its upper end projecting through the top of the cream-can; means engaging said projecting end of the spindle to prevent it from rotating with the can; beating or scraping means carried by the spindle within the cream-can; a driving shaft removably extending through the tubular spindle and at its lower end engaging the upper end of the bearing within the spindle to rotate the cream-can; and means at the upper end of said driving shaft to rotate the same.

3. In an ice-cream freezer, the combination of a cream-can, a tubular shaft carrying beating or scraping means axially mounted therein, and a cylindrical bearing carried by the bottom of the cream-can, said bearing extending upwardly within said can and journaled for rotation in the lower terminal of the tubular shaft.

4. In an ice cream freezer, the combination of a cream-can; a bearing carried by the bottom of said can, said bearing being cylindrical and extending upwardly within said can; a removable tubular shaft carrying beating or scraping means axially mounted in said can, the lower end of said shaft and said bearing being rotatably connected together; and a driving shaft adapted to be removably extended through said tubular shaft to engage said bearing.

5. In an icecream freezer, the combination of an ice receptacle, a cream-can rotatably mounted therein; beating or scraping means axially mounted in said creamcan, the lower end of said means being tubular; a bearing carried by the bottom of said cream-can, said bearing extending upwardly within said can and journaled for rotation in the tubular end of said means, and a driving shaft adapted to be removably extended through said tubular end and at its inner end to engage said bearing to rotate the cream-can. v

6. In an icecream freezer, the combination of an ice-receptacle, having a bearing rising centrally from the bottom thereof; a cream-can; a tubular shaft axially mounted in said cream-can; a stub axle passing through the bottom of said cream-can and secured thereto, the portion beneath said bottom engaging said bearing, and the portion above said bottom journaled for rotation in the lower terminal of said tubular shaft, and a driving shaft adapted to be removably extended through said tubular shaft and at its lower end to engage said stub axle to rotate said cream-can.

7. In an ice-cream freezer, the combination of an ice-receptacle; a center bearing in the bottom thereof; a cream-can rotatably mounted on said center bearing in said icereceptacle; a tubular shaft carrying heating or scraping means axially mounted in said cream-can; means carried by the bottom of said cream-can to engage the lower end of said tubular shaft to prevent lateral dis placement thereof; a cover for said creamcan, said cover having a flange to engage the upper part of said tubular shaft to prevent lateral displacement of said can; means for holding said tubular shaft stationary; and means for rotating said cream-can.

8. In an ice-cream freezer, the combination of an ice-receptacle having a bearing rising centrally from the bottom thereof; a cream-can; a tubular shaft carrying heating or scraping means axially mounted in said cream-can; a bearing carried by and passing through the bottom of said cream-can, the portion below said bottom engaging said bearing in the ice-receptacle and the portion above said bottom journaled for rotation in the lower terminal of said tubular shaft; means for holding said tubular shaft stationary; a cover for said cream-can, said cover having a tubular neck to engage the upper part of said tubular shaft to prevent the lateral displacement of said cream-can and to engage said means to prevent the longitudinal displacement of said creamcan; and means for rotating said cream-can.

In testimony whereof I have signed this specification in the presence of two subscribe ing witnesses.

ELMER I. YOUNG.