Sound-Producing Maching Page: 3 of 4
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1,278,152
hers 21a with the free extremities 'terminat-
ing adjacent to a cylinder 22 provided with
a plurality of lifting or contact .pins 23
alined with each slat in such a manner that
5 when the drum is revolved a tremendous
and voluminous crash is set up by the vibra-
tion and slapping of the slat extremities
against the wooden cylinder. This instru-
ment with the high speed revolving drum 22
10 imitates the cracking and crashing of wood
or timber.
The character C designates an instru-
ment used for imitating rifle or pistol shots
and comprises a plurality of light weight
15 slats 24 spaced apart in parallel relation and
pivoted upon a shaft 25 with a tension
spring returning means as illustrated in Fig.
2, and which is similar to the arrangement
of the beams 1 in instrument A. The upper
20 extremities of the slats 24 are normally in
contact with a large and heavily padded
support 26 while the other extremities of
the slats 24 are arranged adjacent to and
alined with pins 27 carried on a drum 28.
25 The sound produced by the sudden and vio-
lent contact of the members 24 against the
padded receiver effectively imitates the
crack of a rifle and with the drum 28 re-
volving at a high speed sets a volley of
30 sounds in imitation of battle.
The three instruments A, B and C are
all driven through a similar means from the
common line shaft 9, and the action of each
is independently controlled one of the other
35 by the means comprising the electrical pneu-
matic assembly which was described in con-
nection with the description of the instru-
ment A.
A device for producing the sound of can-
40 non is designated by the letter D and. com-
prises a frame 29 upon which is tightly
stretched a buck skin diaphragm 30. A sub-
stantially large beater is provided in the
form of an arm 31 carrying upon the upper
45 extremity thereof a padded beater member
32, the arm being pivoted upon a shaft 33
and having its, other extremity positioned
adjacent to:a cylinder, 34 which is provided
with a pin 35 for the purpose of displacing
50 . the beater head 32, causing it to be impinged
against the buck skin . diaphragm through
the tension of a. coil return spring 36 car-
ried upon the shaft and pressing against
the arm 31. This instrument.with its heavy
55 clapper head 32 will produce deep roaring
tones similar to the distant rumbling of can-
non.
A rain -producing device is provided and
designated herein by the letter E which de-
ro vice comprises a ,substantially large cylin-
der 37 journaled in a similar manner to the
other devices mentioned and which cylinder
may be partly filled ,with. water or with
lead shot or steel balls to 'hit acid pepperagainst the' interior walls thereof during 65
the revolution of the cylinder.
A :glass crashing device F is shown com-
prising a drum 38 may be partly filled with
broken glass to reproduce the sound of fall-
ing and cracking glass during the revolu- 70
tion of the drum.
An instrument 0 is shown in connection
with the general assembly and provided to
reproduce and imitate the tones of thunder.
This instrument comprises two substantially 75
large sheets of tin or sheet .metal suspended
from connecting arms 39 which are pivot-
ally carried by cranks on a shaft 40 suit-
ably journaled and , driven. The high
speed revolution of. the crank shaft 40 will 80
set up a 'wave like vibration through flexible
metal sheets in such. a manner as to effec-
tively produce audible tones in consonance
with the sound of distant peals and rumbles
of thunder. 85
A device H is provided for imitating the
sound of a. puffing locomotive and 'consifs
of a thin metallic diaphragm or sheet 41
suspended between a frame 42.. An arm 43 is
pivoted to a shaft and provided with a.re- 90
turn spring in a similar manner and for a
similar purpose as, described in the instru-
ment D. A drum 44 properly journaled and
driven is fitted with a pin 45 for the pur-
pose of imparting vibratory action to the 95
arm.. A great number of light metal ribs
or preferably wires 46 are arran e'd in a
cluster and in brush form from the'extrem-
ity of the arm for the purpose of lightly im-
pinging the metallic dia~phragm. This de- 100
vice will give the unmistakable tones of the
puffing of a locomotive.
A cluster of bells I is shown in connec-
tion with this theatrical device and bom-
prises a plurality of bells of all 'toes from 105
the locomotive bell to a small door bell or
buzzer, each bell is ringed electrically
through the coil and buzzer provided 'on the
bells. The locomotive bell may have its
clapper vibrated by a iagnet oi solenoid 130
as illustrated. An automobile horn or siren
47 may be connected ip for obtaining that
sound.
A battery of whistles J is provided and
arranged to be blown from a coinpressedair 115
chamber through a connecting tube 48 which
enters the bhse of each whistle. The whis-
tles vary in tone from the deep sonorous
sound of a steam boat whistle to the shriek
of a locomotive, the operator of this device 120
properly selecting the whistle to be blown
during the performance given. Each whis-
tle is provided with a releasing valve 49
which is 'controlled through the action of a
magnet 50 which may be energized by means 125
later described.
A main drive shaft 51 is jdidrnaled in a
similar manner to the drive shaft'9 aid p-o-2
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Reference the current page of this Patent.
Illo, Frank. Sound-Producing Maching, patent, September 10, 1918; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1258851/m1/3/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.