IMPROVEMENTS IN POWER STORING BRAKES
Year: 1880

page_text: LETTERS PATENT to Walter Brierley, of Halifax, in the County of York, and
T
Blackburn, in the County of Lancaster, Patent Agent, for an Invention of
"IMPROVEMENTS IN POWER STORING BRAKES." A communication from abroad.
by George Leuffgen, of Berlin, Kingdom of Prussia, German Empire.
PROVISIONAL SPECIFICATION left by the said Walter Brierley at the Office
of the Commissioners of Patents on the 7th July, 1880.
WALTER BRIERLEY, of Halifax, in the County of York, and Blackburn, in the
County of Lancaster, Patent Agent. ".IMPROVEMENTS IN POWER STORING BRAKES."
A communication from abroad by George Leuffgen, of Berlin, Kingdom of Prussia,
German Empire. ".
My Invention relates to improvements in power storing brakes, in which the
power necessary to brake the car or machine is stored up in a spiral or blade
spring, and the object of my improvements is to use the power so stored in the
spring to afterwards facilitate the starting or beginning of locomotion or rotation. :
I attain this object by the mechanism as follows:-
On one of the axles of the car or the main shaft of the motor are fixed two
friction wheels or toothed wheels, two other frictions or toothed wheels can be
brought in contact with them by the reversing mechanism. These friction or
toothed wheels are attached to two shafts, which cannot move in their position one
against the other, and are suspended on hangers.
In one construction a spiral spring is tentered directly by a wheel, or indirectly
by a wheel and gear, and a lever holds the tentered spring, and the mechanism can
be reversed so that the other friction or toothed wheel' then comes in contact,
whereon the tension of the spring facilitates the beginning of the locomotion of the
car or of the rotation of the shaft.
When a blade or flat spring is used, it is held by friction or toothed wheel and a
counter shaft by means of a lever, or by the friction or toothed wheel by means of
other gear; the stopping and reversing is done in the same way as above.

page_text: 1881.
WALTER BRIERLEY, of Halifax, in the County of York, and Blackburn, in the
County of Lancaster, Patent Agent. "IMPROVEMENTS IN POWER STORING BRAKES."
A communication from abroad by George Leuffgen, of Berlin, Kingdom of Prussia,
German Empire.
My. Invention relates to improvements in power storing brakes, in which the
power necessary to brake the car or machine is stored up in a spiral or blade
spring, and the object of my improvements is to use the power so stored in the
spring to afterwards facilitate the starting or beginning of locomotion or rotation.
I attain this object by the mechanism as follows:-On one of the axles of the
car or the main shaft of the motor are fixed two friction wheels or toothed wheels,
two other frictions or, toothed wheels can be brought into contact with them by
the reversing mechanism. The friction or toothed wheels are attached to two
shafts, which cannot move in their position one against the other, and are suspended
on hangers.
In one construction a spiral spring is tentered directly by a wheel, or indirectly
by a wheel and gear, and a lever holds the tentered spring, and the mechanism can
be reversed so that the other friction or toothed wheel then comes in contact,
whereon the tension of the spring facilitates the beginning of the locomotion of the
car or of the rotation of the shaft. When a blade or flat spring is used, it is held
by friction or toothed wheel and a counter shaft by means of a lever, or by the
friction or toothed wheel by means of other gear; the stopping and reversing is
done in the same way as above.
Such being the nature and object of the said Invention, I will now proceed
to describe the same in detail, & have hereunto annexed Drawings illustrated
thereof.
This Invention relates to improvements in power-storing brakes, in which the
power necessary to brake the car or machine is stored in a spring, in order that the
power stored in the spring may afterwards be used to facilitate the starting of
locomotion or rotation. The above object is effected by the mechanism illustrated
in the accompanying Drawings. Figs. 1 and 2 show an arrangement wherein a
spiral spring is used, and Figs. 3 and 4 illustrate the use of a flat spring, and
Figs. 1 and 3 are side elevations, and Figs. 2 and 4 sections through the breaking
mechanism.
On one of the axles A of the car or the main shafts of the motor are fixed' two
friction wheels or toothed wheels B, two other friction or toothed wheels C or C¹
can be brought in contact with them by the reversing mechanism. These friction
or toothed wheels are applied to two shafts E, which cannot move in their position
one against the other, and are suspended on the hangers D.
a
In the construction shewn in Figs. 1 and 2, the spiral spring F is tentered.
directly by the wheel C, or indirectly by the wheel C₁, by means of the gears G.
When the lever H, Fig. 1, which holds the tendered spring is fixed, the mechanism
can be reversed, so that the other friction or toothed wheel then comes into contact,
whereon the the tension of the springs after releasing the lever H facilitates the
starting of the locomotion of the car or of the rotation of the shaft. In the
construction shown in Fig. 3 and 4, the flat spring F is tendered by the friction
or toothed wheel C and the counter shaft I by means of the lever K, or by the
friction or toothed wheel C¹ by means of the gear G; stopping and reversing is
done in the same way as above.
Having thus fully described the nature and particulars of this Invention, I would
have it understood that I claim the construction and use of mechanism herein

page_text: described, whereby power is stored in a spring and afterwards used to facilitate the
starting of locomotion of a car or rotation of a shaft to which such mechanism is
applied, substantially as set forth.
In witness whereof, I, the said Walter Brierley, have hereunto set my hand and
•
seal, this First day of January, in the year of our Lord One thousand eight
hundred and eighty one.
Witness,
HERBERT TURNER,
Clerk to Walter Brierley,
Patent Agent,
Halifax.
WALTER BRIERLEY. (L.S.)