Improvements in Brake Appliances.
Year: 1894

page_text: Date of Application, 11th Jan., 1894
Complete Specification Left, 11th Oct., 1894-Accepted, 17th Nov., 1894
PROVISIONAL SPECIFICATION.
Improvements in Brake Appliances.
I, FRANCIS BAILEY, of Victoria Road, Battersea Park, in the County of
London, Steam Circus Proprietor, do hereby declare the nature of this invention
to be as follows:-
The object of my invention is to provide means for automatically applying a
powerful break to road vehicles more especially those of a heavy nature such as
waggons that are drawn by traction engines or the like, directly they begin to
descend a decline, and to maintain the break power according to requirements
during descent.
And to carry my invention into effect I construct my improved appliance as
follows:-Presuming that waggons of the class herein before mentioned are already
fitted with the usual block breaks suspended upon levers affixed to the under-
carriage of the waggon the said breaks when applied acting upon the periphery of
the wheels.
Upon the inside of each wheel of the forecarriage I attach in a suitable manner
a drum preferably about one third the diameter of the wheels, around each of these
two drums a suitable band break works the lower end of the band break is carried
forward and attached to the suspending lever of the block break already attached
or fitted to the waggon, the upper end of the band break is also carried forward
and connected by an adjusting screw arrangement to a lever fitted transversely upon
the forecarriage, two of these levers are fitted each reaching from a little over the
centre of the forecarriage to a position opposite the upper end of the band break
these levers are pivoted about their centres to a suitable fitting upon the fore-
carriage and the ends nearest the centre are kept in a forward position by means of
springs preferably helical attached to them and the undercarriage, and it will be
seen that when the levers are held by the springs in this position the ends to
which are attached the upper ends of the band breaks will be nearest the centres
of the wheels, the adjusting screws holding the band breaks to the levers are
adjusted so that the breaks are perfectly free when the levers are in this position.
The draw bar by means of which these waggons are usually coupled up works in a
frame hinged to the undercarriage this draw bar usually pulis against a spring fitted
within its frame so that when the waggons are pulled this spring is compressed
and allows the draw bar to be drawn forward a little. To the end of this draw
bar nearest the undercarriage I attach by means of a hinged joint another bar
which bar I carry through the undercarriage and under or through the two ends
of the two levers in the centre before mentioned. Through this inner bar I fit a
large key vertically so arranged that if the draw bar is forced in it causes the bar
attached to it to move inwards also, the key through the inner bar would then force
the two lever ends backwards against their springs and this movement causes the
other ends of the levers to move forwards and draw on the band breaks attached
to them which likewise in turn draw on the block breaks and it will be seen the
greater the grip of the band breaks the greater the force will be which drags on
the block breaks. The working of the apparatus is as follows:- -While any force
is required to draw the waggons along the spring of the draw bar is compressed
thus allowing the draw bar to pull the inner bar connected to it free of the lever
euds, but directly the waggons go forward of their own account the draw bar is
forced back which in turn forces the levers back dragging on the band breaks
and these again dragging on the block breaks, and directly the forward motion of
the waggon is checked so that any pull is again put upon the draw bar the breaks

page_text: are released or partially so in proportion as required. My improved appliance
with slight modifications may also be applied to waggons in which horses are used
by so mounting the shafts so that they force in or draw out the inner bar herein-
before described.
If the automatic arrangement is required to be temporarily suspended for backing
purposes or the like I fit a collar that may be applied between the front ring of
the draw bar and the frame which carries it so that when the collar is inserted it
keeps the draw bar fixed in a forward position.
Various modifications may be made and any suitable materials used and in cases
where the ordinary block breaks do not exist, they may be fitted or the band
breaks applied by the same means as described only used.
Dated this 11th day of January 1894.
"
COMPLETE SPECIFICATION.
Improvements in Brake Appliances.
I FRANCIS BAILEY of Victoria Road, Battersea Park in the County of London,
Steam Circus Proprietor, 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 :—
The object of my invention is to provide means for automatically applying a
powerful brake to road vehicles more especially those of a heavy nature such as
waggons that are drawn by traction engines or the like, directly they begin to
descend a decline and to maintain the brake power according to requirements
during descent. And to carry my invention into effect I construct my improved
appliance as follows:-
Presuming that waggons of the class herein before mentioned are already fitted
with the usual block brakes suspended upon levers affixed to the undercarriage
of the waggon the said brakes when applied acting upon the periphery of the
wheels.
Upon the inside of each wheel of the forecarriage I attach in a suitable manner
a drum preferably about one-third the diameter of the wheels, around each of these
two drums a suitable band brake works, the lower end of the band brake is carried
forward and attached to the suspending lever of the block brake already attached
or fitted to the waggon, the upper end of the band brake is also carried forward
and connected by an adjusting screw arrangement to a lever fitted transversely
upon the forecarriage, two of these levers are fitted, each reaching from a little
over the centre of the forecarriage to a position opposite the upper end of the
band brake, these levers are pivoted about their centres to a suitable fitting upon
the forecarriage and the ends nearest the centre are kept in a forward position by
means of springs preferably helical attached to them and the undercarriage, and it
will be seen that when the levers are held by the springs in this position the ends
to which are attached the upper ends of the band brakes, will be nearest the centres
of the wheels, the adjusting screws holding the band brakes of the levers are
adjusted so that the brakes are perfectly free when the levers are in this position.
The draw bar, by means of which these waggons are usually coupled up, works
in a frame hinged to the undercarriage, this draw bar usually pulls against a
spring fitted within its frame so that when the waggons are pulled this spring is
compressed and allows the draw bar to be drawn forward a little. To the end
of this draw bar, nearest the undercarriage, I attach by means of a hinged
joint another bar which bar I carry through the undercarriage and under or
through the two ends of the two levers in the centre before mentioned
Through this inner bar I fit a large key vertically so arranged that if the draw
bar is forced in it causes the bar attached to it to move inwards also, the key

page_text: through the inner bar would then force the two lever ends backwards against their
springs and this movement causes the other ends of the levers to move forwards
and draw on the band brakes attached to them, which likewise in turn draw on
the block brakes and it will be seen the greater the grip of the band brakes the
greater the force will be which drags on the block brakes. The working of the
apparatus is as follows:- While any force is required to draw the waggons along
the spring of the draw bar is compressed thus allowing the draw bar to pull the
inner bar connected to it free of the lever ends, hut directly the waggons go forward
of their own account the draw bar is forced back which in turn forces the levers
back dragging on the band brakes and these again dragging on the block brakes;
and directly the forward motion of the waggon is checked so that any pull is again
put upon the draw bar the brakes are released or partially so in proportion as
required. My improved appliance with slight modifications may also be applied to
waggons in which horses are used by mounting the shafts so that they force in or
draw out the inner bar hereinbefore described.
If the automatic arrangement is required to be temporarily suspended for
backing purposes or the like, I fit a collar that may be applied between the front
ring of the draw bar and the frame which carries it so that when the collar is
inserted it keeps the draw bar fixed in a forward position. Various modifications
may be made and any suitable materials used and in cases where the ordinary
block brakes do not exist, they may be fitted or the band brake applied by the
same means as described only used.
In the accompanying drawings Fig. 1 represents a plan of the fore part of an
undercarriage of waggon fitted with my improved brake appliance and Fig. 2 an
elevation of same
Similar letters denote corresponding parts. A A is the under frame. B B draw
bar frame. CC draw bar. D the inner bar hinged to draw bar. EE wheels.
Faxle. G G band brake drums. H H band brakes. I I adjusting screws for
adjusting band brakes to levers J J. KK brackets fixed to underframe for carrying
centres of band brake levers. L key through end of inner bar for driving free
ends of brake levers back. M M springs for drawing brake levers forward.
NN block brake bar to which lower ends of band brakes are attached. O block
brake hanger. PP block brakes. Q collar for inserting between ring of draw
bar and draw bar frame when brakes are not required.
Having now particularly described & 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 use in combination with block brakes attached to road vehicles of an
arrangement to band brakes so constructed that by applying the band brakes the
block brakes will be drawn upon the wheels with a force in proportion to the
friction put upon the band brakes.
(2) The use in combination with band brakes affixed to road vehicles of levers
actuated by a bar or bars connected to the drawing appliance.
(3) The improved brake appliances substantially as herein described and illustrated
in the accompanying drawings.
Dated this 11th day of October 1894.
Dated this 11th day of October 1894.
H. T. TALLACK,
10, Great Turnstile, Holborn, London, W.C., Agent for Applicant.