Improvements in Anti-friction Bearings.
Year: 1890

page_text: Date of Application, 5th Apr., 1890
Complete Specification Left, 31st Oct., 1890-Accepted, 6th Dec., 1850
PROVISIONAL SPECIFICATION.
Improvements in Anti-friction Bearings.
I, DONALD CAMERON, of 328 High Holborn, London, in the County of Middlesex,
Manager, do hereby declare the nature of this invention (a communication to me
from abroad by Benedict Milihauser, of 425 Lackavanne Avenue, Scranton, Pennsyl-
vania, U.S.A., Gentleman) to be as follows:-
My invention relates to journal-boxes; and its object is to obviate the wear of the
journal and box and to prevent their heating. Many ways of doing this have been
proposed heretofore. The ordinary mode is to line the journal-box with one of the
so-called "anti-friction" metals compositions or materials, such as Babbitt metal,
lead, phosphor-bronze, asbestos, graphite and many others. Prior to my invention,
however, as far as I am aware, it has never been attempted to use either one of the
materials hereinafter specified for the purpose and with the result that I have
accomplished.
My invention consists in a bearing having one or both of its wearing surfaces
composed of celluloid or. zylonite. The material may be applied to the journal-box
as a lining either in sheets, strips, or separate plugs or blocks, or it may be applied
to the journal itself as an encircling sleeve, or series of collars, or strips applied
helically or lengthwise. It is preferably secured to the box or journal in any approved
manner.
My anti-friction material is easily manipulated, or may be moulded to fit the place.
it is to occupy, or may be simply cut to the proper size from sheets or blocks of
celluloid or zylonite. The material is suitable for bearings of all kinds in which a
journal rotates. It is especially advantageous for car axles, lines of shafting, marine
engine shafts, and all bearings that are subjected to long and constant use with only
occasional inspection. A bearing provided with a wearing-surface of celluloid or
zylonite will run smooth and cool with very little oil and practically never wear out.
It is preferable to apply the material to either the box or the journal only, though in
some cases it may be of advantage to apply it to both.
An important feature of my invention is the fact that by its use I dispense with
the brasses now used, which are costly to make, rapidly wear out, are liable to heat,
and require careful attention.
My anti-friction wearing surface can be applied to a cast iron or steel box, and
should it be necessary to renew it, which might occur after long use, the old lining
could be easily removed and a new one slipped in, while even if the entire box had to
be discarded it would involve but a trifling loss.
The lining may be provided with one or more projecting portions, lugs or ribs which
fit into recesses, sockets or grooves in the hox and retain it in place.
Dated this 5th day of Ail 1900
COMPLETE SPECIFICATION.
Improvements in Anti-friction Bearings.
I, DONALD CAMERON, of 328 High Holborn, in the County of London, Manager,
do hereby declare the nature of this invention (a communication to me from
abroad_by--Benedict Millhauser, of 425 Lackavanne Avenue, Scranton, Pennsyl-
vania, U.S.A. Gentleman,) to be as follows:-
-
This invention relates to journal-boxes; and its object is to obviate the wear of the
journal and box and to prevent their heating. Many ways of doing this have been
proposed heretofore. The ordinary mode is to line the journal-box with one of the
so-called "anti-friction", metals, compositions, or materials, such as Babbitt metal,
[Price 6d
.

page_text: lead, phosphor-bronze, asbestos, graphite, and many others. Prior to this invention,
however, as far as I am aware, it has never been attempted to use either one of the
materials hereinafter specified for the purpose and with the result that I have
accomplished.
This invention consists in a bearing havi ig one or both of its wearing-surfaces
composed of celluloid or zylonite. The material may be applied to the journal-box
as a lining either in sheets, strips, or separ-te plugs or blocks, or it may be applied
to the journal itself as an encircling sleeve, or series of collars, or strips applied
helically or lengthwise. It is preferably secured to the box or journal in any approved
manner.
This anti-friction material is easily manipulated and may be moulded to fit
the place it is to occupy, or may be simply cut to the proper size from sheets
or locks of celluloid or zylonite. The material is suitable for bearings of all
kinds in which a journal rotates. It is especially advantageous for car-axles
lines of shafting, marine-engine shafts, and all bearings that are subjected to long
and constant use with only occasional inspection. A bearing provided with a
wearing-surface of celluloid or zylonite will run smooth and cool with very little
oil and practically never wear out. It is preferable to apply the material to either
the box or the journal only, though in some cases it may be of advantage to apply it
to both.
An important feature in this invention is the fact that by its use the brasses now
used are dispensed with, which are costly to make, rapidly wear out, are liable to heat,
and require careful attention.
This anti-friction wearing-surface can be applied to a cast-iron or steel box, and
should it be necessary to renew it, which might occur after long use, the old lining
could be easily removed and a new one slipped in, while even if the entire box had to
be discarded it would involve but a trifling loss.
In the accompanying drawings,
Figure 1 shows a car-axle box provide with my improvements.
Figs. 2, 3, and 4 show boxes provided with slightly different linings.
A is the upper box, which may be of cast-iron or any cheap metal.
B is the journal of the car-axle, which rotates in contact with the lining C.
The box is provided with oiled waste D, as usual.
In Fig. 2 the lining C completely encircles the journal. In Fig. 3 the lining is
shown as let into the boxes to keep it in position. In Fig. 4 the lining is provided
with one or more projecting portions, lugs, or ribs c, which fit into recesses, sockets,
or grooves in the box and retain it in place.
Other ways of fastening the lining will readily suggest themselves.
I am aware that it has been proposed to use horn, ivory, glass, and paper-pulp as
anti-friction linings for bearings, but this invention has nothing to do with these,
being confined to celluloid or zylonite, or equivalent compounds.
Having now particularly described ad ascertained the nature of my said inven-
tion, and in what manner the sam is to be performed, I declare that what I
claim is :
1. A shaft-bearing having a wearing-surface composed of celluloid or zylonite,
substantially as described.
2. A journal-box having its wearing-surface composed of celluloid or zylonite,
substantially as described.
3. A journal-box having a lining of celluloid or zylonite, provided with pro-
jecting portions to enter recesses in the box and retain it in place, substantially. as
described.
Dated this 95th day of October 1800.
DONALD CAMERON,
Applicant.