Improvements in Motor-driven Road Vehicles.
Year: 1899

page_text: Date of Application, 9th Oct., 1899-Accepted, 9th Dec., 1899
COMPLETE SPECIFICATION.
Improvements in Motor-driven Road Vehicles.
I, FELIX NITSCHMANN, a Member of the Firm of A. Hoffmann & Co., of 9,
Doblhoffgasse I, Vienna, in the Empire of Austria, do hereby declare the nature
of this invention and in what manner the same is to be performed, to be particu-
larly described and ascertained in and by the following statement:-
-
This invention relates to a motor driven road vehicle in which the power is
transmitted from the motor shaft to a differential shaft or axle by either of two
belts working on two belt-pulleys mounted on the motor shaft, each belt being
arranged to drive any one of three adjacent pulleys, of which the outermost
ones are loose pulleys, whilst the inner ones serve for driving and are connected
by_spur gearing, of different speed-ratio, with the differential shaft or axle.
In the accompanying drawing, one form of a vehicle of this kind is shown
by way of example, wherein for the sake of simplicity, only the parts relating to
the invention are illustrated.
The axle bearing the two steering wheels R1, R2 is arranged at the front of
the vehicle, and to this axle is secured through the intervention of springs the
front head tube S¹ of the frame. This head-tube forms a part of the motor-
frame, in or on which the motor M is bedded or mounted.
The cover of the motor-cylinder has three openings, of which two serve for
the exhaust and inlet or suction-valves, whilst the third receives the igniter Z.
The motor shaft w is mounted in four bearings, and carries between the bear-
ings and a belt pulleys, and between the bearings and a belt pulley s',
and also carries fly wheels, n, n', at its overhanging ends.
From the motor-shaft the power is transmitted to the differential shaft or
axle D by either of the two belts r, r, which drive from the pulleys s, s¹ respec-
tively three adjacent pulleys, of which the outermost L, L₁ are loose pulleys,
whilst the inner ones are connected by spur-gearing of different speed-ratio with
the differential-shaft or axle D. On the latter are four spur-wheels, each pair being
arranged symmetrically relatively to the differential gear D₁; 2¹ serves for the
slowest, 23 for the moderate, for normal, and for the highest speed of the
vehicle.
Near the loose pulley L¹ is a chain-wheel K, which can be frictionally connected
to the said loose pulley and serves for driving the vehicle backwards.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
I claim is: -
1. A motor-driven road vehicle, in which the power is transmitted from the
motor-shaft w to a differential shaft or axle D by either of two belts which work
on two pulleys s, s mounted on the motor shaft w, and on three adjacent belt-
pulleys, of which the outermost are loose pulleys, whilst the inner ones are con-
nected, by spur-gearing of different speed ratio, with the differential shaft or axle,
substantially as described.

page_text: 2. In the road vehicle claimed in the preceding claim, the arrangement of a
chain wheel K near the loose pulley L', which wheel can be frictionally connected
to the said pulley and serves for driving the vehicle backwards, substantially
as described.
Dated this Ninth day of October 1899.
GEORGE HARRISON,
10, Staple Inn, London, W.C., Agent for the Applicant.