Lubricator Page: 2 of 5
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UNITED STATES PATENT OFFICE.
JOHN ANDREW COPPERS AND ELDREDGE EARLY BOOTH, OF DENISON, TEXAS.
LUBRICATOR.Specification of Letters Patent. Patented Nov. 22, 1910.
Application filed November 27, 1908. Serial No. 464,761.To all whom it may concern:
Be it known that we, JOHN A. CoPPERs
and ELDREDGE E. BOOTH, citizens of the
United States, and residents of Denison, in
5 the county of Grayson and State of Texas,
have invented new and useful Improvements
in Lubricators, of which the following is a
full, clear, and exact description.
Our invention relates to lubricators and
10 it has for its object to provide a lubricator
for locomotives and for steam engines, which
may be attached to the steam chest of the
engine, with a communication between the
steam chest and a chamber of the lubricator,
15 and a communication between the said
chamber and a second chamber disposed
thereunder, there being means to command
the communication between the two cham-
bers.
20 Another object of the invention is to pro-
vide a communication between the upper
chamber and the atmosphere, with means to
command the said communication, the said
means being adapted to close the said com-
25 munication at the same time the communi-
cation between the two chambers is opened.
Still another object of the invention is to
provide a storage tank having communica-
tion with the lower chamber of the lubri-
30 cator, the communication at the storage tank
being below the communication at the lower
chamber, there being another communica-
tion leading to the storage tank by which
steam may be admitted thereto.
35 Still other objects of the invention will
appear in the following complete descrip-
tion.
In this specification, we will describe the
preferred form of our invention, but we do
40 not limit ourselves thereto, as we consider
ourselves entitled to all forms and embocli-
ments of the invention which may be held
to fall within the scope of the appended
claims.
45 Reference is to be had to the accompany-
ing drawings, forming a part of this speci-
fication, in which similar characters of ref-
erence indicate corresponding parts in all
the figures, in which-
50 Figure 1 is a front elevation of parts of a
locomotive showing my lubricator applied
thereto; Fig. 2 is an enlarged sectional side
elevation of the lubricator; and Fig. 3 is a
sectional view of the lubricator on the line
3-3 of Fig. 2.
By referring to the drawings, it will beseen that our lubricator is attached to a
steam-chest 1 of a locomotive, and, as shown
in the drawings, the lubricator 2 is attached
to the forward end of the locomotive, but 60
it will be understood that if desired the lu-
bricator may be secured to other parts of the
steam chest. The lubricator 2 is divided
horizontally into an upper steam chamber
3 and a chamber 4 for the lubricant. The 65
chamber 3 is open at one end, so that it will
have communication with the steam chest 1.
A wall 5, between the chambers 3 and 4, has
an opening therein and in this opening there
is screwed or otherwise secured a valve mem- 70
ber 6, having a vertical orifice 7 therein, af-
fording communication between the cham-
bers 3 and 4, the orifice 7 being of a greater
diameter from the middle of the valve mem-
ber upwardly than downwardly. In the 75
portion 8 of the orifice which is of the
greater diameter, is disposed a stud 9, which
is secured to a valve 10, mounted on a valve
stem 11. The valve stem 11 projects up-
wvardly through an opening in a nut 12, 80
which is adapted to be screwed down into an
upwardly extending portion 13 of the lubri-
cator 2. The nut 12 has orifices 14, by
means of which communication is afforded
between the chamber 3 and the atmosphere. 85
The lower portion of the nut 12 forms a seat
for the collar 10a which serves as a valve, so
that when the collar 10, is resting against
the lower portion of the nut 12, the commu-
nication between the chamber 3 and the at- 90
mosphere is cut off. The valve 10 has a
lower surface which is adapted to close com-
munication between the chambers 3 and 4.
A spring 15 is disposed in a hollow portion
16 of the nut, the spring being adapted to 95
press down on the collar 10a to keep the com-
munication between the chamber 3 and the
atmosphere open, and the communication
between the chambers 3 and 4 closed. Ex-
tending upwardly into the orifice 7 is a 100
needle feed 17 having a point at its upper
end. The needle feed has a screw portion
18 which screws in a threaded orifice in a
neck 19 in the bottom of the lubricator 2,
a cap 20 being provided, which has screw 105
connection with the neck 19, by means of
which the needle feed may be protected and
be prevented from getting out of adjustment.
When it is desired to regulate the feed the
cap 20 is removed and the needle feed is 110
screwed upwardly or downwardly as may
be desired. A drain-cock 22 is connected976,637.
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Coppers, John Andrew & Booth, Eldredge Early. Lubricator, patent, November 22, 1910; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509098/m1/2/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.