IMPROVEMENTS ON BREAKS OR MACHINERY FOR STOPPING OR RETARDING CARRIAGES
Year: 1848

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, THOMAS
VICTOR ALLIER, of Quai Saint Michael, in the City of Paris, in the Kingdom
of France, send greeting.
WHEREAS Her present most Excellent Majesty Queen Victoria, by Her
Royal Letters Patent under the Great Seal of Great Britain, bearing date at
Westminster, the Tenth day of December, in the ninth year of Her reign,
did, for Herself, Her heirs and successors, give and grant unto me, the said
Thomas Victor Allier, my exors, admors, and assigns, Her especial license,
full power, sole privilege and authority, that I, the said Thomas Victor Allier,
my exors, admňors, and assigns, or such others as I, the said Thomas Victor
Allier, my exors, admors, or assigns, should at any time agree with, and no
others, from time to time and at all times during the term of years therein
expressed, should and lawfully might make, use, exercise, and vend, within
England, Wales, and the Town of Berwick-upon-Tweed, my Invention of
." IMPROVEMENTS ON BREAKS OR MACHINERY FOR STOPPING OR RETARDING
CARRIAGES;" in which said Letters Patent is contained a proviso that I, the
said Thomas Victor Allier, shall cause a particular description of the nature of
my said Invention, and in what manner the same is to be performed, to be
inrolled in Her said Majesty's High Court of Chancery within six calendar
months next and immediately after the date of the said in part recited Letters
Patent, as in and by the same, reference being thereunto had, will more fully
and at large appear.
NOW KNOW YE, that, in compliance with the said proviso, I, the said
Thomas Victor Allier, do hereby declare that the nature of my said Invention,

page_text: and the manner in which the same is to be performed, are fully described and
ascertained in and by the following statement thereof, reference being had to
the Drawings hereunto annexed, and to the figures and letters marked thereon
(that is to say)
The Invention relates to arrangement of apparatus to be applied to railway
and other carriages for checking and controlling their speed, but. in order that
the Invention may be most fully understood, I will proceed to describe the
Drawings hereunto annexed. In Sheet 1, 'A is a lever by which the driver of
the engine may put in motion the 'apparatus, and it is connected at one end by
a pin to the link B. This link B is joined to the chain E, and the other end
of the chain is connected to the rod D. C is a click or catch which takes into
the teeth on the boss U of the lever A, so as to prevent the running back of
the chain E, except when allowed to do so by the releasers of the click C.
This click moves upon a pin, as shewn, and to it is affixed a chain O, the end
of which is fixed to the tail piece Q, as a spring. Dis a connecting rod con-
_necting the carriages so as to protect them from the shock produced by the
carriages knocking against each other, and at the same time to allow for the
changes of position produced by the curves. There is one of these rods D, to
-each of the carriages; it slides between friction rollers. F. G are toothed
wheels fixed upon the inner end of the axles of the wheels of the carriages.
H (see the detached views) is a ring affixed to the rod D, and to which is con-
nected the ring I of the levers J, which levers J turn upon a pivot P, which
.passes through the hole T in the lever J. In the centre of this lever J is a
hole K, which, when the apparatus is in action, is taken into by the teeth of
the wheels G. The shape of the end of this lever is shown in the Drawing at
.L and M, the under part of which is roughed so as to catch to the ground
when caused to act upon it, and retard the progress of the train of carriages.
And it is the mode of bringing these levers J in contact with the ground that
constitutes the peculiarity of this part of the Invention. N is a chain by
which the apparatus may be thrown out of action. It is passed over and
affixed to a roller S with a handle, and the roller with the chain N is kept in
its position by a catch, which is held in its position by a pedal Q. P, the axis
.upon which the lever J turns. It is fixed to the framing. At R is shown the
mode of connecting the rods D together.. T is the hole of the circular lever J,
through the fixed pivot P passes. .V. is a moveable socket arranged so as
that the rods D may be disconnected readily in the event of any accident hap-
pening to the carriages.
In the apparatus shown in the Drawing Sheet 2, the lever A is not shown;
but it may be applied to this in a similar manner to that described with

page_text: respect to Sheet No. 1. Dis the rod, which is similar to the one shewn in
Sheet No. 1. It moves between the friction rollers; but its motion is limited
by the hinged lever H, which only allows it to advance to the point where the
double ring. M is taken into by the projections S on the axle 7. These
hinges H are the same at each end of the carriage. F are friction rollers. to
guide the rod D.
G is a cylindrical plug, to which the chain and the spring
K is affixed in the tubes. The plug G is acted upon by the spring K,
to keep the chain always in the middle of the tube. The outer end of
the spring K is affixed near the outer end of the tube L, as shown, H is
a moveable hinged lever, to which is affixed the spring hook T. This
hinge in turning lowers the hook T, which carries one of the rings of the
double rings M, M, and puts the hook T in contact with one of the teeth or
projections placed on the front axle q. I is a presser fixed upon the ends of
the cross piece P, and pressing upon the hind wheels. J are grooved moveable
rollers placed upon the cross piece between the two bind wheels. Over these
rollers pass the chain N from the tubes L, and keep them below the axle
tree. L are tubes fixed at each side of the framing of the carriage, and below
the framing of the carriage in these tubes work the springs K, the plug G, and
also the chains N, which pass in through the middle of the spring, and slide
over the rollers F. M, M, are two rings to which the chain N is affixed. The
upper ring is carried by the hooks T; the lower one is that which is taken
into by the projections S in the front axle q. N is a chain which when it is
required to put a drag upon the wheel is brought in contact with the projec-
tions S on the axle, and is taken into by them, and is drawn by and rolls over
the front axle, and in being drawn over the axle they cause the pressers i, i,
to press upon the wheels, and at the same time the spring K closes up, and by
that causes greater opposition. P is the cross piece, to which is affixed the
pieces i, i, and the grooved rollers J. This cross piece J is connected to springs,
which when the apparatus is not at work keep the pieces i away from the
wheels. Qis the front axle, having thereon teeth or projections S, which work
into the lower ring M, and in turning roll the chain N, attached to the wheel,
over itself, and the more the chain is rolled over the greater will be the
pressure of the pieces i, i, upon the wheels, and the more the springs K will
oppose. If the speed of the train of carriages be greater than usual, then the
spring at the bind part will be brought into operation. R are connecting
links. S are the projections on the axle q, and T, the spring hook which car-
ries the lower wheel M, and which holds the hinge H. It will be seen that
by the use of this apparatus carriages may be gradually stopped without pro-
ducing any shock or concussion to the parties within the carriages, and that

page_text: the more the front axle will draw over the chain the greater will be the
pressure of the pieces i, i.
Having thus described the Invention and the manner of performing the
same, I would have it understood that I do not confine myself to the precise
arrangements herein shown, so long as the character of the Invention,be
retained.
But what I claim is the arranging apparatus for retarding and stopping
carriages as herein described.
In witness whereof, I, the said Thomas Victor Allier, have hereunto
set my hand and seal, this Sixth day of June, One thousand eight
hundred and forty-six.