AN IMPROVED SELF- LUBRICATING AXLE FOR CARRIAGES AND OTHER VEHICLES
Year: 1867

page_text: LETTERS PATENT to George Haseltine, of the "International Patent
Office," No. 8, Southampton Buildings; Chancery Lane, in the County
of Middlesex, Civil Engineer, for the Invention of "AN IMPROVED SELF-
LUBRICATING AXLE FOR CARRIAGES AND OTHER VEHICLES."-A communication
from abroad by Silas Safford Putnam, of Dorchester, Massachusetts,
United States of America.
Sealed the 16th April 1867, and dated the 2nd March 1867.
COMPLETE SPECIFICATION filed by the said George Haseltine at the
Office of the Commissioners of Patents, with his Petition and Decla-
ration, on the 2nd March 1867, pursuant to the 9th Section of the
Patent Law Amendment Act, 1852.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, GEORGE
HASELTINE, of the "International Patent Office," No. 8, Southampton
Buildings, Chancery Lane, in the County of Middlesex, Civil Engineer, send
greeting.
WHEREAS I am in possession of an Invention for "AN IMPROVED SELF-
LUBRICATING AXLE FOR CARRIAGES AND OTHER VEHICLES," and have petitioned
Her Majesty to grant unto me, my executors, administrators, and assigns,
Her Royal Letters Patent for the same, and have made solemn Declaration
that it has been communicated to me from abroad by Silas Safford Putnam,
of Dorchester, Massachusetts, United States of America.

page_text: NOW KNOW YE, that I, the said George Haseltine, do hereby declare
that the following Complete Specification, under my hand and seal, fully
describes and ascertains the nature of the said Invention, and in what manner
the same is to be performed, in and by the following statement, reference
being had to the accompanying Sheet of Drawings forming a part of this
Specification:-
The said Invention consists chiefly in a chamber within the end of the
axle filled with a packing of fibrous or porous material saturated with lubri-
cating substance, which is fed through an opening or openings to the bearing
surface of the axle, and the said Invention also consists in forming a chamber
in the collar of the axle which is filled with packing saturated with lubricating
substance, which passes through a suitable opening or openings to the bearing
surface at the inner end of the axle box.
DESCRIPTION OF THE DRAWINGS.
Figure 1 is a longitudinal section through the hub of a carriage wheel
having my improved axle applied thereto; Figure 2 is a view of the axle
detached. Like letters refer to corresponding parts in each of the Figures.
A is the axle box, which is held tightly in place within the hub B by
means of the screw nut C, and is prevented from turning by ribs or pro-
jections a, which fit into grooves made to receive them. The outer end of
the axle box is provided with a flange 3 and finished with a projection 4,
which forms the end of the hub, and serves to protect the screw nut D which
holds the wheel in place upon the axle E; the end of this axle is bored out to
form a chamber b, the mouth of which is closed by the screw nut D; this
chamber 6 (the length of which corresponds to that of the bearing surface of
the axle) is filled with a packing composed of cotton waste, sponge, or other
fibrous or porous material, saturated with oil or other lubricating substance;
care slots or openings communicating with the chamber b, and through these
openings the oil or lubricating substance is fed by the packing to the bearing
surface of the axle in a manner similar to that in which the oil is fed up by
the wick of a lamp; d is an opening communicating with the chamber b,
through which or the openings c, the oil or lubricating substance may be
introduced to saturate the packing. The collar F at the inner end of the
bearing surface of the axle is provided with a chamber e for containing
saturated packing, over which is fitted an annular plate or washer f, having
openings g through which the oil or lubricating substance is fed to the
bearing surface at the inner end of the axle box. It will thus be seen that
when the chambers 6 and e are filled with a packing of fibrous or porous

page_text: material, saturated as above described, the revolution of the wheel will cause
the oil or lubricating substance to be fed through the openings c, g, into the
bearing surfaces of the axle and axle box, lubricating them throughout
their whole length as required. Where an axle so constructed is employed
the lubricating substance will not require to be renewed for a great length
of time.
Having thus fully described the said Invention as communicated to me by
my foreign correspondent, and shown how the same may be conveniently and
advantageously carried into practice, I claim the chamber 6 within the end of
the axle filled with a packing of fibrous or porous material, saturated with
lubricating substance, which passes through a suitable opening or openings to
the bearing surface of the axle, substantially as described.
Also providing the collar F with a chamber e for containing packing
saturated with lubricating substance, substantially as and for the purpose set
forth.
Also the axle box A, provided with a flange 3 and finished with a pro-
jection 4, which forms the outer end of the hub in combination with the
screw nut C for confining it tightly in place within the hub, substantially as
described.
In witness whereof, I, the said George Haseltine, have hereunto set my
hand and seal, this Second day of March, in the year of our Lord
One thousand eight hundred and sixty-seven.
GEORGE HASELTINE. (L.s.)
Witness,
W. ROB. LAKE,
8, Southampton Buildings, W.C.