Improvements in Bearings for Vehicles and Machines.
Year: 1892

page_text: Date of Application, 27th June, 1892-Accepted, 17th Sept., 1892
COMPLETE SPECIFICATION.
Improvements in Bearings for Vehicles and Machines.
HERMAN OTTO ALBERT EMIL GRÜNBAUM, Dentist of 31 Wingfield Road,
Stratford, in the County of Essex, England, 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 :-
My process of ball bearing possesses the following features of novelty: 1) To
prevent balls from dropping out on the wheel being removed, or when parts of
machinery are put under repair. 2) To prevent axle breaking, or to retain the
wheel in its place, even should the axle be broken. 3) To prevent wheels from
slipping off and yet to enable its sudden removal when necessary. 4) To enable
the heaviest vehicles to adopt ball bearing with advantage.
To carry this into effect I supply the axle, see drawing at b, with an axle tube c,
either in parts or entire, extending right on to the axle-tree, where it forms either
an entire whole with the carriage spring-box c. u, or is adjusted to the axle-tree
and fastened by means of either screws d, clamps, bolts, capping, or in other suit-
able manner. My ball bearing may adapt either a number of smaller balls, a. b,
encircling the axle-tube, or may consist in a stronger method, namely, a flattened
or so called cone-ball a, through the centre of which the axle-tube passes, forming
thus one entire piece with the cone-ball. This cone-ball, if applied to cranks or
other parts of machines may exist without a tube. In either case, the cone-ball or
the smaller balls whether for vehicles or machinery generally are thus retained and
are plying within a box c, which encircles the axle-tube, or the crank, if for
machinery, and which box may be made either of one piece, or of two halves, and
if applied to machines, this box forms part of the connecting rod. If more than
one of these ball boxes be required for one axle such are joined together then by
means of another, round or square or otherwise shaped tube f, which latter is
forming thus an oil chamber g, for self-lubrication. This oil box together with the
ball boxes passes through the wheel box h, where it is securely retained by means
of two metal disks i, the outside one of which is provided with a cone-pin k, well
fitting into a corresponding cavity drilled into the outer end of the axle l, which
pin is to lessen any extreme pressure of heavy laden vehicles upon the ball bearing.
Old axles as well as wheels still in use may thus be utilised. The metal disks i
are fastened to the wheel box, either by screws m, bolts or otherwise suitable.
The oil feeder n, passes through the wheel box into the oil chamber. The entire
mechanism is perfectly secured against grit, which, if entering at all through a
small aperture at o. o. will settle harmlessly within a cavity p, provided therefor.
The wheel box may be much flatter, affording thus more room of displacement in
the carriage body, as well as to lessen the damage arising through collisions.
Where suitable, these cone-pins alone, may be applied as a bearing, sufficiently
strong and the least possible friction causing, without any extra balls being needed.
These cone-pins may consist either as detached pieces or forming one solid part
with the disk or part of mechanism with which such are connected.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare, that, what I
claim is;
1) The mode or modes of constructing this ball bearing as herein described.
2) The mode or modes of applying this ball and cone-pin bearing for the
NumRaces
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page_text: 3) The mode or modes of adapting this ball bearing in a variety of shapes and
manners for purposes as specified in the title as heretofore described and indicated
by the drawing.
Dated this 27th day of June 1809
H. O. A. E. GRÜNBAUM.