Pumping-Engine. Page: 2 of 3
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UNITED
STATES
PATENT OFFICE,
WILLIAM CLARKSON, OF CLEBURNE, TEXAS.
PUMPING-ENGINE.
SPECIFICATION forming part of Letters Patent No. 496,294, dated April 25, 1893.
Application filed December 20, 1892. Serial No. 455,774, (No model.)To all whom it may concern:
Be it known that I, WILLIAM CLARKSON, a
citizen of the United States, residing at Cle-
burne, in the county of Johnson and State of
5 Texas, have invented certain new and useful
Improvements in Pumping-Engines; and I do
hereby declare the following to be a full, clear,
and exact description of theinvention, such as
will enable others skilled in the art to which
io it appertains to make and use the same.
My invention relatesto that class of pump-
ing engines employing a combined piston rod
and plunger acting in the same vertical line
and carrying a crank pin box and cross heads
I5 for driving the governing fly wheel.
The object of my invention is to reduce
the cost of construction of this class of pump-
ing engine, to simplify and facilitate the
mounting and dismounting of the same and
20 to afford ready access to the packing ends of
the steam and water cylinders.
It is also my object to provide an improved
adjustable yoke for operating the crank in
lieu of the sliding box and cross heads.
25 In the accompanying drawings forming a
part of this specification Figure 1, is a side
elevation partly in section. Fig. 2, is a de-
tail view showing a modification of the ad-
justable yoke.
30 Referring more particularly to the draw-
ings A, denotes the steam cylinder and B, the
water cylinder.
C. denotes the bed plate and D, a standard.
E. denotes the piston rod and plunger hav-
35 ing the steam piston C' cast integral there-
with.
F, and F', denote two arms secured to the
piston rod by screw-threaded bolts f, f', and
clamp nutsn, n'. The arm F, is rigidly secured
40 to the piston rod by the bolt f, and nut n
and the arm F', is adjustably secured to said
rod by the boltf', and nut n', said rod hav-
ing a vertical slot f2, cut therein as shown in
dotted lines to receive said bolt f'.
45 G, denotes a set screw which passes through
the rear endsof thearmsF, F', said ends pro-
jecting to one side of the piston rod as shown.
As shown in Fig. 1, I cast the steam and
water cylinders the standard and bed platein one piece, the standard meeting the steam 50
cylinder above the lower or packing end
thereof, and the water cylinder at a point
below its upper or packing end. Thus the
packing ends of each cylinder are disengaged
and readily accessible upon all sides. This 55
construction also gives greater strength be-
sides always insuring the proper alignment of
the two cylinders.
By dispensing with a multiplicity of parts
I greatly decrease the cost of construction 60
and provide a pump frame with steam and
water cylinders mounted intact and ready to
receive the piston, piston rod, and plunger
avoiding the careful adjustment necessary
where these parts are constructed separately, 65
in mounting the same afterward.
My piston, piston rod, and plunger having
the adjustable yoke are designed especially
for this construction and are readily mounted
in the same and as readily dismounted for 70
purposes of repair and renewal. To mount
the same the plunger end of the piston rod is
first passed through the steam cylinder. The
adjustable yoke is then secured in place and
the plunger mounted in the water cylinder. 75
It will be seen that by my construction the
crank is placed to one side of the piston rod
and plunger and the crank pin works in the
yoke to and from said rod.
To adjust the yoke in case of wear in the 8o
same, the clamp nut n', is first released and
the screw G, operated to move the arm F',
nearer to the arm F, until the proper adjust-
ment is made. The nut n' is then tightened
to clamp the arm in position. 85
Any desirable means may be used to con-
nect the adjustable yoke to the piston rod
and plunger besides the means shown. As
the arms F, F', are only designed to operate
the crank and valve gear they may be lightly 90o
made.
In Fig. 2, I show a modification of the ad-
justable yoke, in which the arms F, F', are
bent giving an inclined bearing surface for
the crank pin to avoid a dead center. 95
Having thus shown and described my in-
vention, what I claim, and desire to secure by
Letters Patent, is-
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Clarkson, William. Pumping-Engine., patent, April 25, 1893; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth173402/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.