Advertising-Machine Page: 5 of 8
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UNITED STATES PATENT OFFICE.
VIRGIL L. HEL\, OF FORT WORTH, TEXAS, ASSIGNOR TO J. H. REGAL, OF FORT
WORTH, TEXAS.
ADVERTISING-MACHINE.Specification of Letters Patent. Patented Apr. 18, 1911.
Application filed November 15, 1909. Serial No. 528,232.To all whom it may concern:
Be it known that I, VIRGIL L. HELM, a
citizen of the United States, residing at
Fort Worth, in the county of Tarrant and
5 State of Texas, have invented a new and
Improved Advertising - Machine, of which
the following is a specification.
This invention relates to advertising ma-
chines, and more particularly to machines
10 which display cards or plates containing ad-
vertising matter, either printed or pictorial,
and the object is to provide a machine which
will automatically display advertising cards
or plates for predetermined periods of time
15 and that will continue displaying a series of
cards automatically until the motor power
stops.
Other objects and advantages will be
fully explained in the following descrip-
20 tion, and the invention will be more par-
ticularly pointed out in the claims.
Reference is had to the accompanying
drawings, which form a part of this appli-
cation and specification.
25 Figure 1 is a front elevation of the com-
plete machine. Fig. 2 is a. side elevation of
the same, and Fig. 3 is a horizontal or plan
view below the line x-x of Fig. 1. Fig. 4
is a plan view of one of the lifting slides
30 and the mechanism for lifting the slide.
Fig. 5 is a plan view of the vertically dis-
posed drum which carries the advertising
plates or cards. Fig. 6 is a broken, inverted
view of the advertising drum, showing the
35 series of holes or perforations in the rim for
regulating the time during which the plates
are held exposed in view. Fig. 7 is a detail
view of the card or plate lifting slide, being
a side elevation, and also a broken edge
40 view. Fig. 8 is a detail view, partly in sec-
tion, of the lifting slide and the mechanism
for lifting the slide and also for lowering
the slide. Fig. 9 is a detail plan view of
one of the sprocket chains, which carries the
45 lifting trips. Fig. 10 is a detail view, be-
ing a horizontal section of a guide box for
one of the sprocket chains, showing also the
releasing mechanism which permits theplate carrying drum to rotate on its axis.
Fig. 11 is an end view of the rocker-shaft by 50
which the tripping rod is drawn from the
said drum. Fig. 12 is a detail view, show-
ing the manner of mounting the coil spring
for driving the plate carrying drum. Fig.
13 is a detail view, illustrating the manner 55
of elevating the lifting slides.
Similar characters of reference are used
to indicate the same parts throughout the
several views.
This machine is provided with an upright 60
frame composed of posts 1 which are con-
nected by suitable cross beams 2, 3 and 4.
A center bearing beam 5 is attached to the
cross beams' 3. A rotating drum 6 is pro-
vided with a spindle 7 which has a socket 65
in the bearing beam 5 and in the frame
piece 8 at the top. The drum has grooved
upright bars 9 attached to the inside of the
rim and the drum has a central cylindrical
portion 10 in which there are vertical 70
grooves corresponding to the vertical
grooves in the uprights 9. There may be
any number of these grooves and a corre-
sponding number of the grooved uprights
9. The advertising plates or cards 11 are 75
vertically disposed in the two sets of grooves
above mentioned. The drum is driven by
a spiral spring 12 which is attached to the
spindle 7 of the drum and to a frame piece
68. This spring is similar to the main 80
spring of a watch or clock and is wound up
whenever the drum has rotated sufficiently
to release all the tension of the spring. This
spring drives the drum. This drum moves
periodically and the moving of the drum is 85
determined by a series of holes 13 in the
bottom of the rim or cylinder 6 and a spring
actuated rod 14. A spring 15 is attached
to a frame piece 16 and to the rod 14 by
means of a collar 17 thereon. The tendency 90
of the spring 15 is to hold the rod in one
of the perforations 13 in the bottom rim of
the drum. Means are provided for with-
drawing the rod 14 from the perforations
13. periodically. Such means will be fully 95
explained hereinafter.989,9699
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Reference the current page of this Patent.
Helm, Virgil L. Advertising-Machine, patent, April 18, 1911; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth512595/m1/5/: accessed May 26, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.