Improvements in Ball Bearings.
Year: 1888

page_text: Date of Application, 31st Oct., 1888-Accepted, 31st Oct., 1889
COMPLETE SPECIFICATION.
Improvements in Ball Bearings.
We, EMERICH VON SKERTICE, Head-Engineer of Andrassy Strasse No. 76 and
LUDWIG VON FÖLDESSY. Engineer of Kalman Gasse No. 16 Budapest in the Empire
of Austria-Hungary do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement :-
This invention relates to ball bearings, and is intended to remove the insufficiency
for high speeds inherent to the ball bearings heretofore employed, in which the load
balls are either guided by means of rings and consequently, in the case of high
speeds, impaired in their forward rolling, or the rings are simply dispensed with,
whereby the movement is likewise prejudiced through the resulting sliding friction
between the single carrying balls.
Referring to the accompanying drawing illustrating the improved bearing, Lare
load balls held at the proper distance from one another by means of guide balls F
which also serve to transimit the rolling movement of the load balls in the proper
sense to each other. The movement of a loaded ball is always initiated only in a
small segment A in order to prevent different speeds being simultaneously transmitted
to one hall. The cavity B in steel ring R serves to retain the load balls on the
surface A. The guide balls are prevented from coming in contact with the said ring
owing to their revolution in the contrary direction. The guide balls are held by the
load balls towards the shaft or axle as shewn by the contact lines T T, and receive no
direct load, the circle K, drawn through their centres being smaller than that through
the centres of the load balls.
The guide balls, which roll in the guidings D D, are taken along by the load balls
rolling in the guiding (, the said guidings being formed of the casing.
As in the improved bearing, the balls progress only at half the speed of the
revolution of the ring, the circumference of the guiding in the casing being moreover
larger than that of the ring, the shaft revolves several times during one revolution of
one of the balls.
The material, mounting arrangement, and number of balls or series of balls depend
in each case on the particular requirements.
The improved arrangement renders any lubrication completely superfluous as, owing
to the minimal friction, the bearing cannot become hot even with the highest load and
greatest possible number of revolutions.
The improved ball bearings are applicable for railway vehicles, tramcars, engine
shafts, guide rods, step bearings and for various similar purposes.
Having now particularly described and ascertained the nature of this inven-
tion, and in what manner the same is to be performed we declare that what we
claim is:
A ball bearing, consisting of a suitable number of load balls L and guide balls F
adapted to operate in combination with a ring R, and a casing having guidings C
and D D, substantially as and for the purpose set forth.
EMERICH VON SKERTICH.
LUDWIG VON FÖLDESSI.
By Huelser & Co.,
Attorneys.
EMERICH VON SKERTICH.
LUDWIG VON FÖLDESSI.
By Huelser & Co.,
Attorneys.