US720856A - Ice-cream freezer. - Google Patents

Description

` No. 720,856. PATBNTED mm1?, 190s.

` s. SWEENEY.

ICE CREAM FREEZER.

MPLIUTION FILED AUG. a; 1902.

U0 MODEL. l I 2 SHEETS-SHEET 1.

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' s. SWEENEY.

-IGB CREAM FREEZER.

APPLIoATIoN Hum AUG. s, 1902. '11o MODEL. l 2 SHEETS-SHEET z.

' UNITED STATES PATENT EETCE..

SAMUEL SWEENEY, OF PITTSBURG, PENNSYLVANIA.

ICE-CREAM FREEZER.

SPECXFICATION forming part of Letters Patent No. 720,856, dated February 17, 1903.

Application filed August 8, 1902 Serial No. 118,860. (No model.)

ful Improvement in loe-Cream Freezers, ofV

which improvement the following is a specication.

My invention relates to ice-cream freezers. The objects of my invention are, rst, to

produce a device the-receptacle to contain' the freezing mixture of which is provided with a removable'cover; second,to provide a knife or scraper adapted to remove the cream from the inner surface of the cream-receptacle without abrading or removing any of the tinning therewith, and, thirdly, to provide in such types of machines a combined whipper and agitator; and to accomplish these several objects my invention consists in the novel combination and arrangement of parts hereinafter more specifically described, reference being had to the accompanying drawings, forming part hereof, in which like reference characters indicate like parts wherever they occur, and in which- Figure l indicates a longitudinal section of my improved freezer. Fig. Zis a transverse section of the same, and Fig. 3 is a detail of the cream-receptacle and hollow shaft.

Referring to said drawings, l indicates an exterior cylinder forming the receptacle to contain the congealing or freezing mixture. The said cylinder is provided with an apertured cap or cover ci, adapted to be secured to the body of the cylinder at @c by the wire clamp h, by bolts, or in any other suitable manner. At the point where said cap engages the body of said cylinder' a rubber gasket c is interposed to produce a water-tight joint. This cap a is removable to enable easy access to be had to the interior of the receptacle for the purpose of charging the freezing mixture therein, cleaning out said receptacle, or for any other desirable purpose. The end of said cap is provided with a centrally-disposed aperture d, through whichone end of the cream-receiving receptacle 2 projects, and the end of the body portion of said cylinder 1 opposite thereto is provided with an aperture e, in which one end of the hollow shaft 3 projects andis secured upon the adjustably-disposed end of the bracket 4, nuts f g and gaskets h and il serving to form a watertight joint at such points. The outer enlarged end j of shaft 5 is secured to the adjustably-disposed end of the bracket Ll, which .is adaptedl to be adjusted to any angle desired and held in such position by means of asetscrew k, the opposite end'of said shaft 5 being seated in the bearing l, formed in the member 6.

A hollow roll 8, mounted on one member of the U -shaped shaft 9, is located in the interior cylinder or cream-receptacle 2 on one side of the hollow shaft. The said roll 8 is provided with series of slits m m, which serve as agitators or whippers upon the cream during the rotation of the roll and the interior and exterior cylinders, the said roll being frictionally driven by impact with the inner surface of the cream-receptacle in the same direction to the rotation of the cylinder in which it is mounted. During the rotation of said cylinders and roll the cream contained in the 'interiorcylinder is uniformly acted upon by the roll and is pasted or'impressed thereby upon the interior surface of the cream-receptacle and thoroughly frozen thereon and is then removed therefrom by the blade or knife 10, which coincides in length with the cream-receptacle and is secured therein in such manner that the edge of the blade is in contact with the inner surface of said cream-receplLacie. The said knife is preferably formed of any suitable hard wood or of a blade formed of hard Wood inserted or carried by a metal support, the action of the Wood upon the metal sides of the creamreceptacle largely preventing the danger of abrading the same or removing any part of the tinning in scraping off the cream. A series of brace-clamps l1 are secured in the cream-receptacle, one end of the same encircling the hollow shaft and such brace-rods serving to act or operate as whippers during the freezing operation. As the cream is scraped off the sides of the creamreceptacle it drops into the bottom thereof, from which it may be readily dipped or removed by removing the lid l2vv of the creamreceptacle.

The apparatus may be secured to a table or other support by the clamp 13.

Having described my invention, what I IOO claim, and desire to secure by Letters Patent, 1s

1. In an ice-cream freezer, the combination of an exterior receptacle to contain the freezing mixture rotatably mounted on a shaft and having a removable top, a cream-receptacle mounted on the same shaft-as said exterior receptacle, and adapted to rotate therewith, a hollow friotionally-driven roll mounted in the interior of said cream receptacle and means to secure the removable cap of said exterior cylinder.

2. In an icecream freezer, the combination of an exterior cylinder adapted to contain the freezing mixture and rotatably mounted upon a shaft and having a removable top the said exterior cylinder being secured upon an` ad- SAMUEL SWEENEY.

In presence of- CLARENCE A. WILLIAMS, JOHN H. RoNEY.

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