An Improved Means for Displaying and Effecting Intermittent Changes of Advertisements or the like in Vehicles.
Year: 1894

page_text: Date of Application, 2nd Apr., 1894
Complete Specification Left, 2nd Jan., 1895-Accepted, 2nd Feb., 1895
PROVISIONAL SPECIFICATION.
An Improved Means for Displaying and Effecting Intermittent
Changes of Advertisements or the like in Vehicles.
I, ROBERT POULTER, of 83 Ulverscroft Road, East Dulwich, County of
London, Publisher, do hereby declare the nature of this invention to be as
follows:-
This invention relates to an improved means for displaying and effecting
intermittent changes of advertisements, or the like in vehicles.
For the purpose of my invention, I take, say a four wheeled vehicle body frame
and space it out into as many compartments as desired, each of which I cover with
a travelling sheet on rollers to move upwards, downwards, or sideways. The
rollers move intermittently by gear from one of the hind wheels of the vehicle,
the gear being so arranged that at fixed times by a quadrant, eccentric, or other
appliance, it becomes detached, or thrown out, to re-engage automatically, or by
hand or foot lever for the movement of the panels to occur.
The panels may be of cloth, transparent or other, or of an open woven fabric
with pictures or printing upon them, or upon paper, as desired, and with or without
glazed fronts to protect them.
The screens or blinds bearing the advertisements may have a continuous motion
in one direction for a succession of changes and repeats, or a number of announce-
ments can be on lengths of canvas, so that after the full lengths have been wound.
upon a roller, a reverse motion can be imparted automatically, or otherwise.
I purpose allowing the exposure to rest a sufficient time for the series to be
read by pedestrians or others, and the changes can be effected gradually, or
rapidly.
For tradesmen's vans delivering goods, the advertising will be of importance
because all, or nearly all the goods sold or supplied can be indicated, and when
necessary the interior can be lighted up to illumine the transparent pictures or
printing.
This and
A 1004
H. GARDNER,
Patent Agent, 166, Fleet Street, London,
Agent for the said Robert Poulter.
An Improved Means for Displaying and Effecting Intermittent
Changes of Advertisements or the like in Vehicles.
I, ROBERT POULTER, of 83 Ulverscroft Road, East Dulwich, County of
London, Publisher, 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 an improved means for displaying and effecting
intermittent changes of advertisements, or the like in vehicles.
For the purpose of my invention, I take, say a four wheeled vehicle body frame,
and space it out into as many compartments as desired, each of which I cover
1.J

page_text: with a travelling sheet on rollers to move upwards, downwards, or sideways. The
rollers move intermittently by gear from one of the hind wheels of the vehicle, the
gear being so arranged that at fixed times by a quadrant, eccentric, or other
appliance, it becomes detached or thrown out to re-engage automatically, or by
hand, or foot lever for the movement of the panels to occur.
The panels may be of cloth, transparent or other, or of an open woven fabric
with pictures or printing upon them or upon paper, as desired, and with or without
glazed fronts to protect them.
The screens or blinds bearing the advertisements may have a continuous motion
in one direction for a succession of changes and repeats, or a number of announce-
ments can be on lengths of canvas, so that after the full lengths have been wound
upon a roller, a reverse motion can be imparted automatically, or otherwise.
I purpose allowing the exposure to rest a sufficient time for the series to be
read by pedestrians, or others, and the changes can be effected gradually, or
rapidly.
For tradesmen's vans delivering goods, the advertising will be of importance
because all or nearly all the goods sold or supplied can be indicated, and when
necessary the interior can be lighted up to illumine the transparent pictures, or
printing.
My invention will be clearly understood by the annexed drawings.
Figure 1 is an end elevation of the mechanism.
Figure 2 an internal side elevation, and Figure 3 a general outside view of a
vehicle with panelled spaces from which the advertisements can be read with
facility.
A is a main shaft deriving motion from a chain wheel B which can be operated
in any desired manner but preferably from one of the hind wheels of a vehicle.
Ca worm on shaft A in gear with a wheel D on the axle E of which two other
wheels F, G, but oppositely mutilated are keyed in order that they rotate
together.
The wheel D has teeth all round its periphery but the other two have teeth at
intervals only for gearing into the smaller wheels H, J, respectively for effecting
the required movement to the canvas, or other screens K through the intervention
of pinions L, L.
M is a claw paul engaging a ratchet wheel N but which claw is removed from
the teeth by its tail P being pressed by a plate Q projecting from the wheel F, so
that the ratchet can rotate while the wheel teeth F are in gear.
The canvas screen or screens K are on spring rollers R which automatically roll
the canvas up under the control of the wheel F but is drawn down or unrolled in
opposition to the strain of the springs in the rollers R by the teeth of the
wheel G.
It will be observed in the drawing that I arrange two sets of canvas screens
and spring rollers in reverse positions, and on either side of the framing S, and
the second or lower set are operated by the first set of mechanism through the
intermediation of the gear T.
move in
By the arrangement of the mechanism shown, the canvas screens
alternate directions and so give as many changes in each direction as there may be
sets of teeth on the mutilated wheels F, G.
The chain wheel B is provided with a spring clutch U, so that the mechanism
is driven only when the vehicle moves forward or when the shaft A is turned in
one direction, the vehicle can thus be backed without the mechanism being
operated.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. The hereindescribed improved means for displaying and effecting intermittent
changes of advertisements, and the like.

page_text: 2. The arrangement of gears H, J, L, M, N, in combination with oppositely
mutilated wheels F, G, for alternately drawing off and for controlling the rolling
up of screens having advertisements or the like thereon and operated as set
forth.
The and do of Jau 100%
H. GARDNER,
Patent Agent, 166, Fleet Street, London,
Agent for the said Robert Poulter.