Improvements in Wagons, Carts and other similar Vehicles.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
Improvements in Wagons, Carts and other similar Vehicles.
We, THE BRISTOL WAGON & CARRIAGE WORKS COMPANY, LIMITED, of Lawrence
Hill, Bristol, Wagon and Carriage Builders, JAMES MCDONALD, of the same
place, Engineer, and WILLIAM STUDLEY HEK, 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
more particularly to the tipping of such vehicles by means of rollers working
on inclined planes.
According to our invention the underpart of the vehicle is provided with
toothed racks placed out of the horizontal and each having a roller path. Along
these racks toothed pinions are made to travel so that rollers on the same spindle
as these pinions act upon upper rollers which bear against planes on the upper
part of the vehicle, these planes sloping in the opposite direction to those above
mentioned on the under part of the vehicle. The upper part of the vehicle tips
on a pivot or pivots fixed to the under part of vehicle. To keep the body tipped
in any desired position a lever having notches cut on its lower edge, is placed
on the side of the vehicle body; the notches engage at will with a ratchet wheel
fixed to the spindle upon which the pinions and bottom rollers are fixed; when
it is not required to keep the body tipped in a fixed position this lever can be
placed in a plain grooved wheel close to or cast with the ratchet wheel. To bring
the body back from the full tipped position a hook of suitable shape, with chain
is provided, which engages in the ratchet wheel before mentioned, and which
as the spindle is turned towards the front of the vehicle, winds the chain round
the wheel, and draws the body down. The tipping gear consists of an upper and
a lower spindle, both carried in brackets. The upper spindle carries the rollers
which bear against the upper inclined planes, and roll by contact with the lower
rollers to which are also fixed the toothed pinions. The bottom or driving shaft
or spindle which carries the pinions and lower rollers terminates in a handle,
the turning of which causes the pinions to travel along the racks and the collers
to roll along the inclined planes, thus tipping the body.
The vehicle body should be fitted at the rear with a door, which is preferably
hinged at the top, and when unfastened may he opened either by means of a
lever handle or by the pressure of the load as this is being discharged.
Dated this 2nd day of June 1808
J. C. MEWBURN & ELLIS,
55 and 56, Chancery Lane, London, Chartered Patent Agents.

page_text: Improvements in Wagons, Carts and other similar Vehicles.
We, THE BRISTOL WAGON & CARRIAGE WORKS COMPANY LIMITED, of Lawrence
Hill, Bristol, Wagon and Carriage Builders, JAMES MCDONALD, of the same
place, Engineer, and WILLIAM STUDLEY HEK, 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 has reference to wagons, carts and other similar vehicles and
more particularly to the tipping of such vehicles by means of rollers working
on inclined planes.
According to our invention the underpart of the vehicle is provided with
toothed racks placed out of the horizontal and each having a roller path. Along
these racks toothed pinions are made to travel so that rollers on the same spindle
as these pinions act upon upper rollers which bear against planes on the upper
part of the vehicle, these planes sloping in the opposite direction to those above
mentioned on the under part of the vehicle. The upper part of the vehicle tips
on a pivot or pivots fixed to the under part of vehicle. To keep the body tipped
in any desired position a lever having notches cut on its lower edge, is placed
on the side of the vehicle body; the notches engage at will with a ratchet wheel
fixed to the spindle upon which the pinions and bottom rollers are fixed; when
it is not required to keep the body tipped in a fixed position this lever can be
placed in a plain grooved wheel close to or cast with the ratchet wheel. To bring
the body back from the full tipped position a hook of suitable shape, with chain
is provided, which engages in the ratchet wheel before mentioned, and which
as the spindle is turned towards the front of the vehicle, winds the chain round
the wheel, and draws the body down. The tipping gear consists of an upper and
a lower spindle, both carried in brackets. The upper spindle carries the rollers
which bear against the upper inclined planes, and roll by contact with the lower
rollers to which are also fixed the toothed pinions. The bottom or driving shaft
or spindle which carries the pinions and lower rollers terminates in a handle,
the turning of which causes the pinions to travel along the racks and the rollers
to roll along the inclined planes, thus tipping the body.
The vehicle body should be fitted at the rear with a door, which is proferably
hinged at the 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 discharged.
In the accompanying drawings:-
Figure 1 is a side elevation of a wagon in which the improvements which con-
stitute the present invention are embodied. The dotted lines show the position
of the body of the wagon when tipped.
Figure 2 is a vertical longitudinal section of the wagon taken on the line 2-2
of Figure 3.
Figure is in its right hand half a front end elevation of the wagon, and
in its left hand half a vertical cross section taken on the line 3-3 of
Figure 2.
In these figures,-A indicates the upper part or body of the wagon which is
adapted to tip on the pivot B that is fixed to the under part of the wagon.
The underpart C is provided along its two longitudinal sides with toothed
racks D. These toothed racks are arranged with an upward slope from the

page_text: horizontal towards the rear of the wagon, and they are provided with roller
paths EE on which rollers FF are adapted to run. The two rollers FF1 are
mounted on a lower spindle G which extends across the wagon and one end of
which is prolonged to the outside of the wagon where it is adapted to receive a
suitable crank handle H whereby it can be rotated when required. Upon the
spindle G there are mounted two pinions II gearing respectively with the
racks DD, and near these pinions there are also mounted upon the same
spindle G two rollers K K' which act respectively upon upper rollers L L'
that are mounted on an upper spindle M. This spindle M extends across the
wagon and is carried in brackets N N which are adapted to slide along the
racks D D and which also carry the lower spindle G with its rollers F K and
FK, and pinions I 1. The rollers L L bear respectively against planes (01
which are provided on the upper part or body A of the wagon and which slope
downwardly towards the rear of the wagon, that is to say, they slope in the
opposite direction to the racks D D¹ and roller paths E E¹ fixed to the under-
part C of the wagon. The arrangement is such that (the wagon body A being
assumed to be in the normal position shown in full lines in the figures) when it
is desired to tip the wagon body, the crank handle H is rotated towards the rear
end of the wagon whereby the pinions I l¹ are caused to travel along the
racks D D and the lower rollers K K¹ to drive by frictional contact the upper
rollers L L which are thus caused to roll towards the rear of the wagon, in con-
tact with the inclined planes 0 0¹ and thus tip the wagon body A into the
position shown in dotted lines in Figure 1. To keep the body tipped in any
desired position a lever P having ratchet notches cut in its lower edge and
which is pivoted with some lateral play at p to the side of the under part C
is caused to engage at will with a ratchet wheel Q fixed to the lower spindle G.
When it is not required to keep the wagon body tipped in a fixed position the
lever P can be placed in a plain grooved wheel R close to or cast in one piece
with the ratchet wheel Q.
To bring the wagon body A back from the full tipped position a chain S is
provided, having one end attached to a staple T fixed in the side of the body A,
and the other end fitted with a specially shaped hook U, which is caused to
engage with the ratchet wheel Q. Then as the handle H is rotated towards the
front of the wagon the chain S is wound around the ratchet wheel Q and thus
draws the body A down. When not in use the chain S and the hook U are
hung on a peg W.
The wagon body is fitted at the rear with a loose door T which is held in place
by fastenings that can be readily knocked away to release the door.
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 wagons, carts and other similar vehicles, the combination with a tipping
body and a stationary underpart of a pair or pairs of oppositely inclined planes
provided respectively on the tipping body and on the underpart and between
which planes rollers are caused to travel by means of rack and pinion mechanism,
whereby the body of the vehicle is tipped, substantially as herein before described.
2. In wagons, carts and other vehicles provided with means for tipping the
body of same, a notched lever in combination with a ratchet wheel on the pinion
spindle of the tipping mechanism, whereby the said lever by being made to
engage with the ratchet wheel will keep the body tipped in any desired position,
substantially as herein before described.
3. In wagons, carts and other vehicles provided with means for tipping the
body of same, a ratchet wheel on the pinion spindle of the tipping mechanism in
combination with a chain secured at one end to said wheel and attachable at its
other end to the said body, whereby when the chain is attached to the tipped body

page_text: and the wheel is rotated in the proper direction the chain winds upon the wheel
and draws the tipped body down, substantially as described.
4. The improved tipping wagon constructed, arranged and operating substan-
tially as described and shown.
Dated this 22nd day of February 1899
J. C. MEWBURN & ELLIS,
55 & 56, Chancery Lane, London, Chartered Patent Agents.