Combined Hand-Brake and Continuous Automatic Brake for Railway Waggons and similar Vehicles.
Year: 1897

page_text: Date of Application, 8th Nov., 1897
Complete Specification Left, 8th Aug., 1898-Accepted, 5th Nov., 1898
Combined Hand-Brake and Continuous Automatic Brake for Railway
Waggons and similar Vehicles.
We, REUBEN THOMAS PRESTON, of the Firm of J. Stone & Co., of Deptford, in the
County of Kent, Engineers, and FRED PLATT, of 59, Skelton Road, Forest Gate, in
the County of Essex, Engineer, do hereby declare the nature of this invention to be
as follows:-
The object of this invention is to construct and combine hand brake gear and
continuous automatic brake gear in such manner that a railway waggon or other
vehicle fitted therewith can form part of a train the other vehicles of which are
fitted with continuous automatic break gear without causing any break in the
continuity of the automatic continuous brake action; while the brake on such goods
waggon or other vehicle can also be independently worked by hand from either side.
For this purpose we provide a lug on the transverse brake shaft and in connection
therewith fitting loosely on said shaft we provide a three armed lever, two arms of
which connect with the usual push rods to the brake blocks, while the third arm is
connected to the automatic brake cylinder piston rod. Or in some cases we provide
a two-armed lever only one of the arms of which is extended to connect with the
piston rod or the like of the automatic brake. The hub or nave of either of these
levers has a lug which when the lug on the transverse brake shaft comes against it,
in the action of operating said shaft by one of the hand levers, causes the brake to
be applied. On the other hand when the piston rod from the automatic brake
cylinder moved it causes the lever to move around the shaft and applies the brake
without turning the shaft or interfering with the position of the hand levers, which
are in the off position.
By a reverse arrangement the shaft may be formed with a recess and the nave of
the two or three armed lever with a key or lug working therein.
T: Dith daw of Naxambor 1807
Combined Hand-Brake and Continuous Automatic Brake for Railway
Waggons and similar Vehicles.
We, REUBEN THOMAS PRESTON, of the Firm of J. Stone & Co., of Deptford, in
the County of Kent, Engineers, and FRED PLATT, of 59, Skelton Road, Forest Gate,
in the County of Essex, Engineer, do hereby declare the nature of this invention

page_text: 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 this invention is to construct and combine hand brake gear and
continous automatic brake gear in such manner that a railway waggon or similar
vehicle fitted therewith can form part of a train the other vehicles of which are also
fitted with continuous automatic brake gear without causing any break in the
continuity of the automatic continuous brake action, while the brake on such goods
waggons or other vehicle can also be independently worked by hand from either side.
For this purpose we provide a lug on the transverse brake shaft and in connection
therewith, fitting loosely on said shaft, we provide a lever connected with the usual
push rods to the brake blocks and also connected to the automatic brake cylinder
piston rod with a so-called lost motion or equivalent device. The hub or nave of this
loose lever has a lug which when the lug or its shaft comes against it in the action of
operating said shaft by one of the hand levers usually fitted on it, causes the brake
to be applied. On the other hand when the piston rod from the automatic brake
cylinder is moved it causes the lever to move around the shaft and applies the brake
without turning the shaft or interfering with the position of the hand levers which
are in the off position.
By a reverse arrangement the shaft may be formed with a recess and the nave of
the lever with a key or lug working therein.
Fig. 1 is a side view and Fig. 2 an end view showing an arrangement of our
invention as applied or adapted to vehicles having the brake blocks fitted on one
side only and where the hand levers A A¹ push rods D 11 brake blocks E, E¹, with
their hangers F, F, and the connections between the hand levers are formed in the
manner described in the Patent Specification No. 4726 of 1896 viz. by the
rods K and K and the double armed lever L; the brake shaft B also extends from side
to side of the vehicle. For the purpose of this our present invention the brake
shaft B is provided with a lug B₁ as shown more clearly in the detail views Figs. 3
and 4 the latter being a section on line A, B, of Fig. 3. The usual double armed
lever CC to which the push rods D D¹ connect is according to our invention formed
with a third arm C¹ and is made to fit loosely on the shaft B. The hub or nave of
this loose three armed lever CC C¹ has a lug C2 which when the lug B¹ on the
shaft B comes against it in the action of operating said shaft by one of the hand
levers A or A¹ causes the brake blocks E and E¹ to be applied. On the other hand
when the piston rod from the automatic brake cylinder, in this example the rod N
of the vacuum brake cylinder N¹ is moved, that is to say in this example moved
upwards by the destruction of the vacuum in said cylinder, the three armed
lever C C C connected thereto by the slot link N2 (for the purpose of permitting a
lost motion) is caused to move around the shaft B, the lug C2 moving away from
the lug B¹ and applies the brake without turning the shaft or interfering with the
position of the hand levers A A¹ which are in the off position, resting on the
set off G of the racks G and G¹.
By a reverse arrangement illustrated by Figs. 5 and 6 the shaft B is formed
with a recess B and the nave of the three armed lever CC C¹ with a key or lug
working therein.
.
Fig. 7 is a side view, Fig. 8 an end view and Fig. 9 a plan of another form, in
which a two armed lever is mounted loosely on the brake shaft B, one long arm C¹
being connected to the piston rod N of the vacuum brake by a forked end acting in
one direction on a pin N2 as shown, that is to say so that the hand brake can be
applied without moving the piston. The lever arms C and C¹ are on a sleeve or long
nave one end of which is formed with a projection or annular lug C2 see Fig. 10
while the shaft B at this place is formed with a lug B₁ as in Fig. 4.
When one of
the hand levers A or A¹ that are fixed on the shaft B is operated the lug B¹ comes
against the lug C² on the lever sleeve or nave and puts on the brake. The other and
shorter arm C on the sleeve on the shaft B is by means of levers and rods connected
to the push rods and brake blocks E, which latter are suspended in the usual

page_text: hangers F. Upon the end pivot of the short lever C is mounted the double armed
lever C, to which are jointed the rods D2 D2 that by means of the two armed
levers DS DS and the rods D' and D of adjustable lengths are connected to the brake
The brake
blocks E which in this example are applied to both pairs of wheels.
blocks are connected transversely in pairs as shewn. The hand levers A and A¹ fixed
on the brake shaft B as stated are connected transversely by the rods K and K¹ and
the double armed lever L as in Patent Specification 4726 of 1896.
The brake
Fig. 11 is a side view, Fig. 12 an end view and Fig. 13 a plan illustrating the
either side hand brake combined with the ordinary automatic continuous Westing-
house brake. The whole of the brake work with exception of the two hand levers A A¹,
brake shaft B and brake shaft lever C and brake racks G and G¹, is precisely the
same as in vehicles fitted with the aforesaid Westinghouse brake only.
shaft B extends from side to side of the vehicle and has its bearings in the usual
brackets on the underframe; the usual double armed lever C is however loose
thereon, its nave being formed with a projection C2 that comes against a projec-
tion B on the shaft B. The lever C is connected to the rods D D¹, the former heing
connected to the suspension links D and main brake gear, thus applying the
hand brake to both ends of the vehicle simultaneously. Or the lever C may be
one armed and connected to the push rods of the main brake gear so that when
the hand levers A A¹ are allowed to fall down the hand brake is applied to one end
of the vehicle only. The two hand levers are by the rods K and K¹ connected to
the double arned lever L as in the previous examples. The piston rods N have
each a slot N2 for permitting the lost motion required.
Fig. 14 is an end view shewing how the hand levers A A¹ may be connected
to the levers or links L L which have their fulcrum in the bracket M and to
the levers or links L L which are at one end jointed to the rods K K¹ and
levers L L and at the other end are jointed together, their joint bolt being free
to slide up and down in a slot M¹ in the bracket M; the action is equivalent
to that of the double armed lever L in the previous examples viz. :-that the
hand levers spread apart if one of them is pulled away from the side of the
waggon.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed, we declare that what we
claim is :-
Providing the brake shaft B, which is fitted with hand levers, with a projection
or recess that engages with a projection on a lever which is loose on said shaft
and is connected to the brake block push rods and is also by lost motion gear
connected to the piston rod of an automatic continuous brake cylinder, in such
manner that the hand levers may be actuated for braking without affecting the
piston rod, and so that the latter may be actuated without affecting the hand levers,
substantially as described, and as illustrated in the accompanying drawings.
Dated this Eighth day of August 1808
JENSEN & SON,
77, Chancery Lane, London, W.C., Patent Agents.