Ice-Cream Freezer. Page: 2 of 3
This patent is part of the collection entitled: Texas Patents and was provided to The Portal to Texas History by the UNT Libraries Government Documents Department.
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UNITED STATES PATENT OFFICE.
TIOMAS JEFFERSON IIARTON, OF WACO, TEXAS.
ICE-CREAM FREEZER.
SPECIFICATION forming part of Letters Patent No. 553,158, dated January 14, 1896.
Application filed April 22, 1895. Serial No. 546,748. (No model,)To all whon it may cooceru :
Be it known that I, THOMAS JEFFERSON
IIARTON, a citizen of the United States, and a
resident of WVaco, in the county of McLennan
5 and State of Texas, have invented certain
new and useful Improvements in Ice-Cream
Freezers; and I do hereby declare that the
following is a full, clear, and exact descrip-
tion of the invention,which will enable others
oo skilled in the art to which it appertains to
make and use the same, reference being had
to the accompanying drawings, which form a
part of this specification, and in which-
Figure 1 is a top view or plan of my im-
15 proved ice-cream freezer as it appears when
ready for use. Fig. 2 is a sectional-view of
the same on the longitudinal and vertical
plane indicated by the broken line marked
x x. Fig. 3 is a sectional detail view of one
20 of the interior removable cream-cans, with
its hermetic cap or cover. Fig. 4 is a trans-
verse sectional view of the box and rotary
drum on the horizontal plane indicated by
the broken line marked y y; and Fig. 5 is a
25 sectional detail view of the interior apertured
diaphragm and rotary freezer-drum, illus-
trating a modified construction and arrange-
ment of the aforesaid diaphragm or partition.
Like letters of reference designate corre-
30 sponding parts in all the figures.
This invention relates to that class of uten-
sils which are adapted to be used either as
ice-cream freezers or churns, at the option
of the user, (sometimes called " combined ice-
35 cream freezers and churns;") and it consists
in certain improvements in the construction
and combination of parts of that particular
type of devices of that class which employ a
drum or cream-receptacle revolving upon a
40 horizontal axis, with its lower-half part dip-
ping into a stationary receptacle containing
ice or water, (cold or hot, according to the
purposes for which the machine is employed
for the time being,) substantially as will be
45 hereinafter more fully described and claimed.
On the accompanying drawings the refer-
ence-letter A designates a box made of wood
or metal of any desired size, preferably of
square or rectangular shape, and provided
50 on opposite sides with journal boxes or bear-
ings a a for the shaft b of the rotary drum
or receptacle B, said shaft b being providedwith a crank-handle b' for turning it. The
rotary drum B is of the shape illustrated
more clearly in Figs. 2 and 5-i. e., having a 55
flat rectangular top, c, a corresponding flat
and rectangular bottom, c', and curved sides
d and c', forming parts of a circle, with the
shaft or axle b as the center, so that the top
and bottom c c' really form sectors of what 60
would otherwise be a cylindrical drum B. It
will furthermore be seen that the "top" and
"bottom" are interchangeable terms, as
whether c is the top and c' the bottom, or
vice versa, will depend upon which side is 65
uppermost at a given time. The flattened
parts c and c' have large openings C and
C', closed with tightly-fitting screw-caps I)
D', or any other desired form of hermetic
closures which can be easily removed, and 70
the axis of the drum B is intersected by a
flat diaphragm or partition E half-way be-
tween and parallel to the flattened sides c
and c'. This interior diaphragm E is pio-
vided at opposite ends with slots or apertures 75
e e, impinging upon the straight heads or
ends B' B' of the drum, so that when the
drum is revolved upon its axis b the fluid
contents may pass freely through these aper-
tures e e from one compartment, X, into the So
other, X', or vice versa, in the manner and for
the purpose which will be described more fully
later on.
If this apparatus is to be used as a churn
for making butter, the cream is placed into 85
the uppermost compartment by removingthe
appropriate stopper D or D', from where it
will by gravity, when the drum is at rest, find
its way through the apertures e e down into
the lowermost chamber or compartment; but 90
when the drum is being rapidly revolved by
turning the handle b' (either by hand or by
machinery) the centrifugal force will throw
the cream with considerable force against the
opposite sides of this inner partition E, which 95
operates in this way as the "dasher" of an or-
dinary churn, causing the butter to "come"
rapidly and easily, and this process may be
still further expedited and facilitated by fill-
ing box A, in which the drum has its bearings I co
and revolves, with water of the proper tem-
perature. When the butter has been formed
it is all collected in a single batch in one of
the compartments, resting upon the central
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Reference the current page of this Patent.
Harton, Thomas Jefferson. Ice-Cream Freezer., patent, January 14, 1896; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth174194/m1/2/?q=%22%22~1: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.