Improvements in Wagons, Carts, and other similar Vehicles.
Year: 1896

page_text: Date of Application, 11th June, 1895
Improvements in Wagons, Carts, and other similar Vehicles.
We, THE BRISTOL WAGON AND CARRIAGE WORKS COMPANY LIMITED of
Lawrence Hill, Bristol, Wagon and Carriage Builders, JAMES MCDONALD of the
same place, Engineer, and WILLIAM STUDLEY HEк also of the same place,
Foreman Wheelwright, do hereby declare the nature of this invention to be
as follows:-
This invention has reference to wagons, carts and other similar vehicles and its
object is to construct them in such manner that the load can be discharged from
the rear end of the vehicle without tipping the vehicle or that the discharge of the
load can be ensured or facilitated in vehicles that can be tipped.
The invention consists in fitting in the interior of the vehicle body a transverse
vertical bulkhead or partition arranged to move freely along said interior by means
of chains operated by toothed or worm gearing or by means of a screw and nut
a rack and pinion, a series of levers or other suitable means.
When for example we employ chains and toothed gearing we may connect the
chains to the lower part of the bulkhead, carry them round pulleys at the rear of
the vehicle and then back under the vehicle to drums at the front of same these
drums being either parallel or tapered. The drum, spindle or shaft is rotated by
means of toothed or other gearing operated by a handle. By turning the handle
the chains are put in motion and the bulkhead is thus pulled along the inside of the
body to the rear so as to discharge the load.
The vehicle body should be fitted at the rear with a door which is preferably
hinged at top and when unfastened may be opened either by means of a lever
handle or by the pressure of the load as this is being pushed out.
J. C. MEWBURN & ELLIS,
55 and 56 Chancery Lane, London, Chartered Patent Agents.
We, THE BRISTOL WAGON AND CARRIAGE WORKS COMPANY LIMITED of
Lawrence Hill, Bristol, Wagon and Carriage Builders, JAMES MCDONALD of the
same place, Engineer, and WILLIAM STUDLEY HEк also of the same place,
Foreman Wheelwright, 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 bas reference to wagons, carts and other similar vehicles and its
object is to construct them in such manner that the load can be discharged from
the rear end of the vehicle without tipping the vehicle or that the discharge of the
load can be ensured or facilitated in vehicies that can be tipped.
The invention consists in fitting in the interior of the vehicle body a tranaverat:.

page_text: vertical bulkhead or partition arranged to move freely along the said interior by
means of chains operated by toothed or worm gearing or by means of a screw and
nut, a rack and pinion, a series of levers or other suitable means.
When for example we employ chains and toothed gearing we may connect the
chains to the lower part of the bulkhead, carry them round pulleys at the rear of
the vehicle and then back under the vehicle to drums at the front of same these
drums being either parallel or tapered. The drum spindle or shaft is rotated by
means of toothed or other gearing operated by a handle. By turning the handle
the chains are put in motion and the bulkhead is thus pulled along the inside of the
body to the rear so as to discharge the load.
The vehicle body should be fitted at the rear with a hinged door or tailboard
which when fastened may be opened either by means of a lever handle or by the
pressure of the load as this is being pushed out.
Referring to the accompanying diagraminatic drawings which illustrate a wagon
constructed with the improvements forming the subject of the present invention;
Figure 1 is a side elevation of the wagon; Figure 2 is a plan of the same, and
Figure 3 is a front end elevation of the wagon body without the wheels.
In these figures, 1 represents the wagon body, 2 is the transverse vertical bulk-
head or partition which in accordance with this invention is fitted in the interior
of the body 1 and can be moved freely along in the said interior; the said bulkhead
or partition is maintained in the upright or vertical position during such movement
by means of projections 2" attached to or forming part of the bulkhead or partition
and having suitable guidance in or on the sides of the wagon.
When, as shown by way of example in the figures, chains and toothed gearing
are employed to move the sliding partition 2 along the interior of the wagon; two
chains 3, 3 are fastened to the lower part of the sliding partition 2 near its ends.
These two chains 3, 3 are carried along the bottom or floor 1" of the vehicle around
pulleys 4, 4 which are arranged at the rear of the wagon, and preferably form
enlargements of a cylindrical roller 4 mounted in bearings or brackets 5, 5 carried
by the ends of the side longitudinals 6, 6 of the wagon. From the roller 4 the
chains 3, 3 are led back under the floor 1 of the wagon to drum 7, 7 arranged near
the sides of the front of the wagon.
Slats or strips 3 of wood or other suitable material may be arranged across from
chain to chain as shown being fixed at or near their ends upon the chains 3 in any
suitable manner. These slats or strips 3 have for object to support or assist in
supporting the load between the chains and to reduce the friction of the load as it
is being pushed out along the floor of the wagun.
A chain 8 fixed centrally to the lower front part of the sliding partition 2, is led
forward to a drum 9 arranged centrally at the front end of the wagon body. The
two side drums 7,7 and the central drum 9 are fixed on one common shaft or
spindle 10 which is carried in bearings 11, 11 and extends across the front part of
the wagon outside the wagon body; a suitable hole is provided in the frout end 1
of the wagon to allow of the free passage of the chain 8. The shaft 10 has keyed
on it at one end a toothed wheel 12 with which there gears a pinion 13 keyed on a
short shaft 14 carried by the side of the fore part of the wagon. Upon the shaft 14
is also keyed a toothed wheel 15 with which gears a pinion 16 keyed on a shaft 17
also carried by the side of the fore part of the wagon. The outer projecting end
of the shaft 17 is made square for the reception of a crank handle 18 which is
also made to fit upon the square outer projerting end of the shaft 10. The double
purchase obtained by operating the crank handle 18 when placed upon the shaft 17
is intended for the purpose of discharging heavy loads, whilst the single purchase
obtained by operating the crank handle 18 when placed upon the shaft 10 as shown
in Figures 1 and 3 is intended for the purpose of discharging light loads at a higher
rate of speed, and for returning the sliding partition 2 back to its normal position
at the front end of the interior of the wagon body.
The single purchase is also useful for completing the discharge of a load which
has been started or discharged in part by the operation of the double purchase.

page_text: The mode of discharging a load from a wagon or vehicle of this kind is as
follows:-The handle 18 is placed on say the shaft 17 and is rotated so as to turn
the drums 7, 7 to wind up the chains 3,3 (the chain 8 at the same time unwinding
from the drum 9) whereby the sliding partition 2 is pulled along the inside of the
body to the rear so as to discharge the load by pushing aside the tailboard or
door which may be hinged at the top or at one side, or be capable of removal
altogether.
When the load has been discharged the handle 18 is then turned in the reverse.
direction so as to revolve the drum 9 to wind up the chain 8 (the chains 3, 3 at the
same time unwinding from the drums 7, 7) and thereby return the sliding partition 2
to its normal position at the front of the interior of the wagon body which is then
ready to receive a fresh load.
The side drums 7, 7 are preferably made taper as shown so as to take up a greater
length of chain during each successive revolution, with the object of moving the
sliding partition and consequently discharging the lond at a continually increasing
speed in proportion as the bulk of the load and therefore its resistance diminish by
progressive discharge.
The central drum 9 should be made correspondingly taper so as to enable the
same to unwind a length of chain equal to that being wound up on each of the side-
drums 7,7.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed, we declare that what.
we claim is :-
1. In a wagon, cart or other similar vehicle, a transverse vertical partition or
bulkhead adapted to be moved along in the interior of the vehicle by means of
mechanism carried by the vehicle so as to push out and discharge the load from the
said vehicle, substantially as described.
2. In a wagon, cart or other similar vehicle, a transverse vertical partition or
bulkhead adapted to be moved along in the interior of the vehicle by means of
chains attached to the said partition or bulkhead and operated by winding drums,.
substantially as hereinbefore described and shown in the accompanying drawings.
for the purpose specified.
3. The combination or arrangement of parts constituting a load discharging
apparatus for wagons, carts or other similar vehicles, substantially as herein before
described and shown in the accompanying drawings.
Dated this 9th day of March 1897.
J. C. MEWBURN & ELLIS,
55 and 56 Chancery Lane, London, Chartered Patent Agents..