Improvements in Traction and other Self-moving Engines.
Year: 1892

page_text: Date of Application, 6th Aug., 1892
Complete Specification Left, 8th May, 1893-Accepted, 10th June, 1893
PROVISIONAL SPECIFICATION.
Improvements in Traction and other Self-moving Engines.
We, ROBERT HENRY FOWLER, of The Steam Plough Works, Leeds, in the
County of York, Engineer and GEORGE SCHOFIELD TUER, of the same place,
Draughtsman, do hereby declare the nature of this invention to be as follows:-
The invention is applicable to traction and other self moving engines in which
the driving power is transmitted from the crank shaft to the hind axle by means of
intermediate shafts and gearing, and has for its object, the mounting of such engines
on springs. We prefer to apply our invention to an intermediate shaft which is as
nearly as possible in the same vertical plane as the hind axle and to the wheel
through which this shaft is driven and to the wheel it drives.
The above driving wheel revolves on a circular boss or bearing on the body of
the engine and through this boss a shaft passes. This circular boss or bearing
forms a slide for the shaft bearing. Projections are formed on the driving wheel
which projections engage and slide in recesses in a driving plate. In this driving
plate other recesses receive or engage in projections formed on a driven wheel,
carried on the shaft mentioned above which is carried in suitable bearings free to
slide in the above mentioned circular boss and which are rigidly connected by
connecting rods to the hind axle bearings, which are also free to move in slides
fastened to the body of the engine. By this arrangement of driving plate and
gearing the power is conveyed to the hind axle and allows for the free movement
of the hind axle due to the play of a spring or springs which are interposed between
the hind axle and the body of the engine and at the same time ensures the pitch
lines of the gearing always truly working together.
In arrangements heretofore used for effecting the above object, the connecting
rods mentioned above have been alternately in compression and tension due to the
action of the springs which injuriously affects the wearing parts; to overcome this
we carry the hind axle bearings by means of links on two compensating levers
mounted centrally on a pin to which a spring or springs are coupled with suitable
means of adjustment; by the combined action of these levers and the spring or
springs, the movement of each end of the hind axle or of each hind axle bearing
due to the action of the spring or springs, must be equal and the links connecting
the compensating levers and hind axle bearings are always in tension, while the
connecting rods are relieved of the strain due to the unequal action of the springs.
We fix the brake drum on the intermediate shaft so that the action of the springs
has no effect on it.
Dated th th 1 SA 1900
JOHN WAUGH,
Agent.
COMPLETE SPECIFICATION.
Improvements in Traction and other Self-moving Engines.
We, ROBERT HENRY FOWLER, of The Steam Plough Works, Leeds, in the
County of York, Engineer, and GEORGE SCHOFIELD TUER, of the same place,
Draughtsman, 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 is applicable to traction and other self-moving engines, in which
power is transmitted from the crank shaft to the hind axle, by means of an
intermediate shaft and gearing, and has for its object the mounting of such engines

page_text: on springs in such a manner as allows for the free movement of the hind axle due
to the play of the spring or springs, and at the same time to ensure the pitch lines
of the gearing always truly working together.
In order that our invention may be fully understood, we will describe the same in
detail by making reference to the accompanying drawings in which
Fig. 1 is a vertical section of a traction engine showing our improvements.
Fig. 2 a longitudinal section through line a. b.
Fig. 3 a modification of the spring arrangement, and
Figs. 4, 5, and 6 enlarged details of driving gear.
The driving shaft A. of the engine is mounted in the usual position, and through
the ordinary intermediary gearing, drives the wheel A¹ which is free to revolve on
the boss B. secured to the side plates of the engine. Passing through the said
boss B is an intermediary shaft C free to move vertically in boss B, and on the
shaft C is keyed the spur pinion D, gearing with the spur wheel E, mounted on
the boss of bevel wheel F. keyed on the hind axle G in the ordinary manner.
On
the before mentioned wheel A¹ are formed the projections H. H. engaging with
slides J. J. formed on the driving plate K, and on the opposite side of the driving
plate K. are formed other slides L. L. engaging with projections L' L' formed on
the before mentioned pinion D.
The bearings C¹ C₁ supporting shaft C. are rigidly connected by rods M. M. to
the hind axle bearings N. N. which are free to move vertically in slides secured to
the side plates of the engine.
By the arrangement of the driving plate and gearing constructed as before
described, the power is conveyed to the hind axle G and allows for the free
movement of said axle in a vertical direction, due to the play of the springs O. and
at the same time ensuring the pitch lines of the gearing working truly together.
In arrangements heretofore used for effecting the above object, the connecting
rods have been alternately in compression and tension, due to the unequal action of
the springs, thereby injuriously affecting the wearing parts.
By our improvement the hind axle bearings N. N. are connected by the
links P. P. to the compensating levers Q. Q mounted centrally on pin R supported
by rod S. connected to springs O. as shown by Fig. 1, or a spiral spring S₁ may be
utilized for the purpose when mounted on the rod S in the manner as shown by
detail Fig. 3, such springs being capable of adjustment by means of nut T.
By mounting the hind axle & in the manner described, the movement of each
end of the said axle, or of each hind axle bearing N. due to the action of the
springs or spiral springs S₁ is equal, and the links P. P. connecting the
bearings N. N and compensating levers Q. Q. are always in tension, the connecting
rods M. M being relieved of the strain due hitherto to the unequal action of the
springs.
Having now particularly described and ascertained the nature of our inven-
tion, and in what manner the same is to be performed we declare that what we
claim is :-
1. In a traction or other self-moving engine the combination of the driving
shaft A with the intermediary shaft C. driving plate K. wheel A' and wheel E.
arranged substantially in the manner and for the purpose herein before described.
2. In a traction or other self-moving engine, the combination of the links P. P.
compensating levers Q. Q. and springs with the hind axle G all arranged
substantially in the manner shown and described.
Deted this 5th dow of Mo- 1009
JOHN WAUGH,
Agent.