Improvement in Motors for Operating Churns. Page: 2 of 3
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UNITED STATES PATENT OFFICE.
THOMAS J. CRUMIP, OF BUENA VISTA, TEXAS, ASSIGNOR OF ONE-HALF HIS
RIGHT TO DAVID T. POUNDS, OF SAME PLACE.
IMPROVEMENT IN MOTORS FOR OPERATING CHURNS.
Specification forming part of Letters Patent No. 199,187, dated January 15, 1878; application filed
December 10, 1877.To all whom it may concern:
Be it known that I, TuoAS J. CRUxrP, of
Buena Vista, in the county of Shelby and
State of Texas,have invented certain new and
useful Improvements in Motive Power for
Churns; and I do hereby declare that the fol-
lowing is a full, clear, and exact description
thereof, which will enable others skilled in the
art to which they appertain to make and use
the same, reference being had to the accompa-
nying drawings, and to letters of reference
marked thereon, which form a part of this
specification.
My invention has for its object to furnish a
simple and effective motive power for operat-
ing the dashers of churns; and it consists of
a suitable frame-work provided with a fly-
wheel, operated by a pitman attached to a
bar projecting from brackets on the side of
an ordinary rocking-chair, said fly-wheel be-
ing provided with cogs upon one side, which
mesh into the cogs on a smaller wheel, which
carries a crank for operating the dasher of
the churn, a suitable belt being arranged upon
the rim of the fly-wheel and around a small
pulley for setting in motion a rotary fan, all
as will be hereinafter more fully described, and
pointed out in the claims.
Referring to the drawings, Figure 1 repre-
sents a front elevation of my invention, and
Fig. 2 represents a detail view of the same.
Similar letters of reference occurring on the
several figures indicating corresponding parts.
A represents the frame-work, to the upper
part of which is attached, in suitable bearings,
the wheel B, which is provided upon one side
with a cog-wheel, a, which meshes into the
cogs upon the smaller wheel b, as shown, said
wheel B being alsoprovidedwith a groove upon
its circumference, in which is adjusted the
belt c, which operates the rotary fan C upon
the end of the pulley D, journaled in the lower
part of the frame A.
Upon the outer end of the shaft carrying
the wheel B is attached a crank, d, which is
provided with a small friction roller or wheel,
e, at the lower end, and which, operating in
connection with the curved spring E, serves
to throw said crank over the dead-centers, said
crank being also provided with a flexiblespring-pitman,f, which is attached to the le-
ver or bar F, the rear part of which is fitted
into a staple, g, upon the lower side part of
the rear upright of the rocking-chair, and is
held securely in position by a crank, ii, which
turns down over the same at the front side
part of the chair. A crank, i, is also attached
to the small cog-wheel b, which carries a
hinged pitman, j, secured, by means of a
sleeve, k, to the dasher of the churn, as shown
in Fig. 1.
It will be observed that, by occupying the
chair and rocking the same, motion is im-
parted to the lever F, thereby rotating the
wheel B by means of the crank d and pitman
f, which, in turn, rotates the small wheel b,
which actuates thedasher of the churn through
the medium of the pitman j, while at the same
time the revolutions of the wheel B set in
motion the rotary fan C, serving to prevent
flies from settling around or falling into the
churn during the operation of churning.
It will also be observed that the chair is held
at one point by means of the small spring-rods
1, which are screwed into the floor, and the
upper ends of which pass through holes in the
rockers of the chair at the center, thereby pre-
venting the chair from being moved out of its
position while being rocked.
It will further be observed that the curved
portion of the spring E, acting upon the fric-
tion-roller e, serves to throw the crank d past
the dead - center at every revolution of the
wheel B.
By means of my above-described improve-
ments I am enabled to furnish a most simple
and effective motive power for operating
churns, enabling the operator to control and
put in motion the mechanism without fatigue
or trouble.
Having thus described myinvention, I claim
as new and useful-
1. The lever F, attached to and operated by
the rocking-chair, in combination with the pit-
manf, crank d, and wheel B on the frame A,
substantially as and for the purpose described.
2. The combination of the wheel B, operated
as described, with the wheel b, having pitman
j, substantially as and for the purpose specified.
3. The combinationofthe wheel B, provided
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Crump, Thomas J. Improvement in Motors for Operating Churns., patent, January 15, 1878; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth166750/m1/2/?rotate=90: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.