Manufacturers.
Year: 1896

page_text: Date of Application, 13th May, 1896
Complete Specification Left, 19th Oct., 1896--Accepted, 9th Jan., 1897
A communication by the Firm of SCHMIDT LANGKUTT & Co., of Berlin, in the
Empire of Germany, Harness Manufacturers.
I, WILLIAM PHILLIPS THOMPSON F.C.S., M.I.M.E., of The Agency for
Foreign Patent Solicitors, 6 Lord Street, Liverpool, and 6 Bank Street,
Manchester both in the County of Lancaster, 118 New Street Birmingham in
the County of Warwick and 322 High Holborn in the County of Middlesex,
Civil Engineer, do hereby declare the nature of this invention to
be as
follows:-
This invention relates to a brake for vehicles of all kinds and consists of brake
bands which are placed round the naves of the wheels and operated from the
driver's seat by levers either rigidly connected with one another or independent of
one another, which levers are connected with the device for applying the brake by
means of a flexible connection, for instance a chain, steel rope or the like. These
vehicle brake bands are always applied equally even if the part of the carriage or
vehicle should assume an oblique position. On the operation of the brake a spring
is stretched, which on the release of the chain, again draws the latter back so that
the brake bands may be easily released.
In order to obtain a good braking action the brake band is provided on its
inner or working surface with projections of suitable material, which may be easily
replaced, and which prevent adherence of dirt and the burning of the brakes.
In carrying out the invention the brake bands are wound over or placed round
metallic rings which are suitably mounted or fastened on the wheel naves, said
bands being retained at one end by brackets which are secured on the axles whilst
the other end of each band is connected to a lever which is pivotally connected to
the bracket, so that by pulling the lever the brake band is pressed on the brake
ring.
The said levers may however in some cases be so arranged as to be connected
with one another, such as by a pin and slot, one of the levers (the right one for
instance) being extended over this connection and connected with the chain.
In the first example the levers from the two wheels are made shorter and
connected by means of a chain, wire, cord or the like with one another. The
chain is passed over a roller which is carried by a swinging support on the bottom
of the carriage and pulled backwards by a spring. At the roller a draw cord or
chain is attached with a tightening device and is carried up to the driver's seat by
means of suitable guide rollers and transfer mechanisms in order to engage there
with a treadle mechanism.
This treadle mechanism consists of an elbow lever having another arm curved
and provided with teeth on one side. Ou this curved arm a stop ring is placed
which can be clamped at any suitable point in order to thereby limit the move-
ments of the elbow lever. The tightening of the brake may thus be regulated in
order to avoid any rubbing of the wheels if the latter be covered with india-
rubber.
A pawl is horizontally arranged by the side of the elbow levers and is mounted
in a case and pressed forward by means of a spring so as to engage the teeth of

page_text: the curved arm. This pawl has a suitable slot, the rear face of which is bevelled.
A treadle bolt having its bottom end also bevelled, and which is pressed upwards
by means of a spring arranged underneath the treadle head, stands over this slot.
When the elbow lever is pressed down, that is to say, when the brake is applied,
the said pawl engages in the teeth of the curved arm and holds the lever fast in
the braked position. For the purpose of releasing the brake the treadle bolt is
pressed down, its bevelled end enters the slot of the pawl and drives the same
backwards out of the teeth of the curved arm by the engagement of the bevelled
surfaces. The spring of the swinging support before referred to then draws the
chain back and thus allows the brake band to be released.
In order to save the brake bands, to obtain a great friction, and to prevent any
burning or grinding down of the brakes, the brake bands are provided on their
inner or working surface with projections or blocks. These blocks may be made
of any suitable material such as metal, wood or the like, and either have a conical
or cylindrical form. They are arranged at certain distances apart and are
connected with the band in such a way as to be easily removable so that they can
be easily interchanged or replaced. They also prevent the accumulation of dust
and mud on the brake rings.
The arrangement for operating the brake bands may also be very well employed
for other brakes such as have hitherto been employed.
Dated this 12th day of May 1896
WM. P. THOMPSON & Co.,
Agents.
A communication by the Firm of SCHMIDT LANGKUTT & Co., of Berlin, in the
Empire of Germany, Harness Manufacturers.
I, WILLIAM PHILLIPS THOMPSON F.C.S., M.I.M.E., of The Agency for
Foreign Patent Solicitors, 6 Lord Street, Liverpool, and 6, Bank Street,
Manchester, both in the County of Lancaster, 118 New Street, Birmingham in
the County of Warwick and 322 High Holborn in the County of Middlesex, Civil
Engineer, 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 relates to a brake for vehicles of all kinds and consists of brake
bands which are placed round the naves of the wheels and operated from the
driver's seat by levers either rigidly connected with one another or independent of
one another, which levers are connected with the device for applying the brake by
means of a flexible connection, for instance a chain, steel rope or the like. These
vehicle brake bands are always applied equally even if the part of the carriage or
vehicle should assume an oblique position. On the operation of the brake a spring
is stretched, which on the release of the chain, again draws the latter back so that
the brake bands may be easily released.
In order to obtain a good braking action, the brake band is provided on its
inner or working surface with projections of suitable material, which may be easily
replaced, and which prevent adherence of dirt and the burning of the brakes.
In the accompanying drawing,
Figure 1 is a side elevation of a carriage fitted with this brake;
Figure 2 shows the fitting of a brake band;

page_text: Figure 3, the means for conveying the pull to the brake;
Figure 4 the locking device of the brake tread,
Figures 5, 6 and 7 a combination of two brakes;
Figures 8 and 9 views of a brake band with excrescences.
In carrying out the invention, the brake bands a are wound over or placed round
metallic rings which are suitably mounted or fastened on the wheel naves, said
bands being retained at one end by brackets 6 which are secured on the axles,
whilst the other end of each hand is connected to a lever e which is pivotally
connected to the bracket b so that by pulling the lever the brake band is pressed on
the brake ring.
The said lever c may however in some cases be so arranged as shown in Figures 5
and 6 as to be connected with one another such as by a piu and slot, one of the
levers (the right one for instance) being extended over this connection and connected
with a chain d.
In the example shown in Figure 1, the levers from the two wheels are made
shorter and connected by means of a chain, wire, cord or the like with one another.
The chain d is passed over a roller e which is carried by a swinging support on the
bottom of the carriage and pulled backwards by a spring f. At the roller e a draw
cord or chain is attached with a tightening device g and is carried up to the driver's
seat by means of suitable guide rollers and transfer mechanisms in order to engage
there with a treadle mechanism A.
This treadle mechanism consists of an elbow lever h h having another arm i
curved and provided with teeth on one side. On this curved armi a stop ring m
is placed which can be clamped at any suitable point in order to thereby limit the
movements of the elbow lever hh. The tightening of the brake may thus be regulated
in order to avoid any rubbing of the wheels if the latter' be covered with
indiarubber.
A pawl (Figure 4) is horizontally arranged by the side of the elbow levers A
and is mounted in a case and pressed forward by means of a spring so as to engage
the teeth of the curved arm. This pawl has a suitable slot, the rear face of which
is bevelled. A treadle bolt / having its bottom end also bevelled, and which is
pressed upwards by means of a spring arranged underneath the treadle head, stands
over this slot. When the elbow lever A is pressed down, that is to say, when the
brake is applied, the said pawl k engages in the teeth of the curved arm i and
holds the lever fast in the braked position. For the purpose of releasing the
brake the treadle bolt is pressed down, its bevelled end enters the slot of the
pawl and drives the same backwards out of the teeth of the curved arm by
the engagement of the bevelled surfaces. The spring of the swinging support
before referred to then draws the chain d back and thus allows the brake bands to
be released.
In order to save the brake bands, to obtain a great friction, and to prevent any
burning or grinding down of the brakes, the brake bands are provided on their inner
or working surface with projections or blocks as shown in Figure 8. These
blocks n may be made of any suitable material such as metal, wood or the like, and
either have a conical or cylindrical form. They are arranged at certain distances
apart and are connected with the band in such a way as to be easily removable so
that they can be easily interchanged or replaced. They also prevent the accumulation
of dust and mud on the brake rings.
The arrangement for operating the brake bands may also be very well employed
for other brakes such as have hitherto been employed.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, as communicated to me by
my foreign correspondents, I declare that what I claim is :-
1. A brake for vehicles of all kinds characterised by an arrangement of brake
bands (a) to engage round the wheel naves said bands having one end fixed to
brackets (b) mounted on the wheel axle and the other end connected to levers (c)

page_text: which are either coupled to one another or are independent and connected by means
of a chain or rope (d) running over a roller adapted to be pulled back by a spring (f),
said levers being pulled or operated by means of a chain or cord connected to the
roller (e) and running to the coachman's box, whereby the brakes may be firmly
applied, substantially as described.
2. In a brake device such as described, a treadle for operating the brake,
comprising an elbow lever (¹) provided with an arm (i) having teeth in which a
horizontal pawl (k) engagee, and a vertically movable bolt (1) bevelled at the
bottom and adapted on being depressed to engage the bevelled edge of a slot formed
in the pawl and to thus draw the latter out of engagement with said teeth,
substantially as and for the purpose set forth.
3. The arrangement on the herein described lever arm i, of an adjustable stop
ring (m) for regulating the force with which the brake bands (a) are to be applied
substantially as described.
4. The arrangement, on the inner face of brake bands such as described, of
removable blocks or projections (n) of suitable material in order to obtain a greater
friction to save wear of the bands, and to avoid a grinding down or burning of the
brakes substantially as described.
Dated this 13th day of October 1896.
WM. P. THOMPSON & Co.,
Agents.