Improvements in Apparatus for Automatically Displaying Advertisements, Pictures, and the like.
Year: 1893

page_text: Date of Application, 1st Sept., 1893
Complete Specification Left, 20th June, 1894-Accepted, 1st Sept., 1894
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Automatically Displaying
Advertisements, Pictures, and the like.
I, CHARLES KERR MARR of 3 Milk Street Buildings in the City of London,
Gentleman, do hereby declare the nature of this invention to be as follows:-
This invention relates to that class of automatically acting advertising machines
wherein a series of rectangular or other shaped drums or cylinders are used to
display advertisements pictures and the like, the said drums being periodically
rotated through the instrumentality of clockwork mechanism in order to expose to
view a number of different advertisements in one and the same space and the
present invention has for its object improvements in the electrical mechanism
described in the Specification filed under the Letters Patent granted to George
Cook and myself Number 24053 A.D. 1892 for rotating the cylinders or drums in
conjunction with the clock.
The improved apparatus consists of a solenoid the two soft iron cores of which
are connected to a frame carrying a magnet and which frame is capable of
movement in a vertical direction.
The frame has a pawl loosely centred on its lower part and the said pawl has a
tooth or heel which in the operation of the apparatus acts on a number of ping
spaced at equal distances apart around one face of the periphery of a disc secured
on the spindle of the advertising drum or cylinder a similar number of pins being
fixed in the other face with which a tooth or ratchet made on a loosely centred
lever engages so as to prevent the disc from turning backwards. One such solenoid
is provided for each advertising drum or cylinder in the machine the number of
pins in the disc corresponding to the number of advertisements row of pictures or
the like it is desired to display.
The coils constituting the solenoids are connected to a battery and in the circuit
a clock is placed in conjunction with which a contact making and breaking cam or
lever is provided the said lever having preferably three arms to each of which one
end of a spring is attached the other end being provided with a pin projecting
through the arm and which through the action of the clock on whose dial spindle
the lever is fixed is caused to periodically make contact with a series of pins in the
circuit the effect of which is at each contact to raise the frame carrying the pawl
from the last operated on pin in the drum turning disc.
Immediately the pin of the spring in any arm of the lever or cam is by the clock
moved out of contact with any pin connected to a solenoid the circuit is broken and
the frame carrying the pawl drops by its own weight and the drum or cylinder is
turned through an arc so as to display another advertisement picture or the like.
Dated this 31st day of August 1893.
CRUIKSHANK & FAIRWEATHER,
62, St. Vincent Street, Glasgow, Agents.

page_text: Improvements in Apparatus for Automatically Displaying
Advertisements, Pictures, and the like.
1, CHARLES KERR MARR, of 3 Milk Street Buildings, in the City of London,
Gentleman, 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 that class of automatically acting advertising machines
wherein a series of rectangular or other shaped drums or cylinders are used to
display advertisements, pictures and the like, the said drums being periodically
rotated through the instrumentality of clockwork mechanism in order to expose to
view a number of different advertisements in one and the same space and the
present invention has for its object improvements in the electrical mechanism
described in the Specification filed under the Letters Patent granted to George Cook
and myself No. 24053 A.D. 1892 for rotating the cylinders or drums in conjunction
with the clock.
As illustrated by the accompanying drawings, Figure 1 being a front elevation
of the improved advertising apparatus, Figure 2 a rear elevation with the back of
the casing removed, Figures 3 and 4 front and side elevations of details of the
electrical mechanism, and Figure 5 the clockwork mechanism and electrical con-
nections, the improved apparatus consists as particularly shewn by Figures 3 and 4
of a solenoid A the two soft iron cores B of which are connected to a frame C
constituting a magnet armature and which frame is capable of movement in a
vertical direction.
b
The frame C has a pawl D loosely centred on its lower part and the said pawl
has a heel E on it which in the operation of the apparatus acts on a number of
pins a spaced at equal distances apart around one face of the periphery of a disc F
secured on the spindle of the advertising drum or cylinder G a similar number of
pins 6 being fixed in the other face with which a tooth made on a loosely centred
lever H engages so as to prevent the disc F from turning backwards. One such
solenoid A is provided for each advertising drum or cylinder G in the machine the
number of pins in the disc F corresponding to the number of advertisements, row
of pictures or the like it is desired to display.
The coils constituting the solenoids A are connected to a battery and in the
circuit a clock I is placed in conjunction with which a contact making and breaking
cam or lever J is provided the said lever having preferably three arms to each of
which one end of a spring J' is attached the other end being provided with a pin J'
projecting through the arm and which, through the action of the clock on whose
dial or other spindle the lever is fixed, is caused to periodically make contact with
a series of pins K in the circuit the effect of which is at each contact to raise the
frame C carrying the pawl D from the last operated on pin in the drum turning
disc F.
Immediately the pin of the spring J¹ in any arm of the lever or cam J is
by the clock moved out of contact with any pin K connected to a solenoid the
circuit is broken and the frame carrying the pawl D drops by its own weight and
the drum or cylinder G is turned through an arc so as to display another
advertisement picture or the like.
The cam L which causes the spring M to transmit the electric current from the
battery wire to the lever J is the same as that described in the aforementioned
Specification.

page_text: Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. The combination of parts constituting the improved mechanism for actuating
the drums or cylinders of apparatus for displaying advertisements, pictures and the
like, substantially as hereinbefore described.
2. In apparatus of the class set forth the combination with the solenoid A,
core B and armature C of the pawl D and toothed disc F on the drum spindle and
contact making and breaking devices operated by clockwork for periodically
transmitting an electric current through said solenoid, substantially as described.
3. In apparatus of the class set forth the combination with a clock movement of
the contact making and breaking cam levers J with spring arms J' and the contact
pins K in a battery circuit arranged to operate, substantially as described.
Dated this 19th day of June 1894.
CRUIKSHANK & FAIRWEATHER,
62, St. Vincent Street, Glasgow, Agents.
CRUIKSHANK & FAIRWEATHER,
62, St. Vincent Street, Glasgow, Agents.