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Патент USA US3068820

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Dec. 18, 1962
D. A. KALosHlN
Filed May 2, 1960
4 Sheets-Sheet 1
Dec. 18, 1962
D. A. KALosl-HN
Filed May 2, 1960
4 sham-sheet 2
52 _
’7//// /
Dec. 18, 1962
3,068,81 0
Filed May 2. 1960
4 Sheets-Sheet 5
BY @www W
Dec. 1s, 1962
Filed May 2, 1960
4 Sheets-Sheet 4
BY @www
United States Pate t ‘Orifice
wound. The drum 11 is of sufficient width to accommo
> date said door and carries on its ends pulleys 12 for wind~
ing cables 14. The latter extend from said pulleys, over
Dimitri A. E‘íaloshin, 934 Page St., San Francisco, Calif.
~ .
Patented Dec. 18, 1952
small guide pulleys 1S down and around four pulleys 16
Filed May 2, i969, Ser. No. 25,082
6 Claims. (Cl. 109--6)
and up and are connected to the ends of the chains 3.
rThe primary object of this invention is to provide an ‘
escape preventing device which prevents a robber to es~
cape from a bank, or other building, after he has coin
rnitted a robbery.
Another object of this invention is to provide a device
of the type described which includes a door which closes
the entrance into a bank, or a building, when a micro
Normally the ilexible door 1 is wound around the drum
l1. When the latter is rotated in counter-clockwise di
rection viewing FIG. l, it winds the cables 14 about the
pulleys 12 and at the same time unwinds the door l, thus
moving the door downwardly. To return the door 1 to
its initial position, the drum l1 is rotated in the opposite
direction. lt requires one turn of the drum to unwind a
sutiîcient length of the chains 3 for the rubber apron 9 to
reach the floor.
switch is secretly operated by a bank employee.
The drum i1 rotates on stub-shafts 2t) which are sup
Another object of this invention is to provide a device 15
ported by a pair of supports 2l. An electric motor 22
of the type described in which the escape barring door
through a trainof reduction gears 23, 24, 25 and 26 op
may be opened only from the outside of the bank, or the
erates said drum, the latter gear being on the stub-shaft
building, by a switch operable by a special key.
20 near one of the supports 2i. A clutch 27 is provided
Another object of this invention is to provide a device
of the type described which includes a second escape bar 20 between said gear 26 and the drum 1i, and is so arranged
that when the door l is stopped on its downward move
ring door which automatically closes the entrance of a
ment, said clutch becomes disengaged by pushing said
bank, or a building, in case the lirst door for any causes
gear away from the drum against the pressure of spring
_23 arranged inside said drum on the stub-shaft 20 for
ofthe type described including a special secret micro 25 pulling the gear toward said drum, as shown in FIG. 3.
fails to close completely said entrance.
Another object of this invention is to provide a device
' When the gear 2d is pushed away, it presses upon and ac
switch operable by a teller of the bank, which switch and
its operation is undetectable by an outsider.
Qther objects and advantages will appear as the specifi
tuates a trouble switch 29 for the purpose as shall be here
inafter stated.
A second fiexible door 3ft is arranged in said entrance
cation proceeds and the novel features of the device will
be particularly pointed out in the claims hereto annexed. 30 hall 2 between the door 1 and the usual entrance door 3i..
In this speciiication and the annexed drawing, the in
vention is illustrated in the form considered to be the
best but it is understood, that the invention is not limited
The door 30 is of exactly the same structure as the' door
l including a drum 3l, a motor 32, a reduction gear train
33 and pulleys 34 and operating the same way.
It is
provided as a safeguard, so that in case the door 1 is
by the claims following the description, it is desired to 35 jammed, or stopped by some means before it reaches the
iloor, the second door 30 will automatically close the en
cover the inventionin whatsoever form it may be ern
trance hall 2, as shall be hereinafter stated in detail.
to such form; and it is also to be understood that in and
The door v1 is operate by a secret micro-switch which
is so arranged and concealed that its operation may not be
This invention is illustrated in the drawings forming a
part of the specification in which:
FIG. l is a vertical longitudinal cross-section of an' en 40 detected or understood by a robber, and does not create
any suspicion, or alarm in him when the teller operates
trance >to a bank, or other building showing my device in
the same during a hold-up.
operation with one door in closed position and the other
Many possible places and types of such switches may
door in open position.
be employed for that purpose. ABut after a thorough
investigation, I propose that a micro-switch 4i? for operat
ing said door 1 be placed in currency drawers 41 of each
teller. The drawer usually contains a bill tray 42 divided
FIG. 2 is a cross-section along the line 2_2 of FIG. 1.
FIG. 3 is a vertical transverse cross-section of said en
trance, showing one door in closed position.
FIG. 4 is a plan view of a currency container.
FIG. 5 is a vertical cross-section along the line 5-5 of
FIG. 4 of the currency container.
into a plurality of compartments 43, 44, 45, 46 and 47
for bills of diíierent denominations, such as one dollar,
50 tive dollar, ten dollar, twenty dollar and one hundred
FIG. 6 is an electric wiring diagram of the device.
HG. 7 is a fragmentary plan view of the drums show- - dollar bills. respectively. Bills in said compartments are
held down by spring pressed wire iingers 5t) swingable
ing the operating switches,
about a transverse shaft S1 extending the width of said
FIG. 8 is a diagrammatic back view of the drums show
tray 42. All fingers Si? are of the same size and coníigura
ing the spring levers in 4the normal positions, taken on the
55 tion. However, the viinger 50 in the compartment 47
line 8_8 of FIG. 7.
serves to operate the micro-switch 4i) which in turn sets
HG. 9 is a diagrammatic back View of the drums show
the device in action. Said finger 50 is formed with a hook
ing the spring levers in the diñerent positions.
52 extending on the other side of said shaft 5l back
In detail my device consists of a ñexible door i which
wardly and downwardly. A spring 53 one end of which
is adapted to close an entrance hall 2 to a bank or other
60 is secured to said ñnger and the other anchored to the
floor of said tray, as shown at 54, normally presses said
The door i. consists of a pair of chains 3 moving in
linger downwardly, as shown in FÍG. 5. When the ñnger
guides 5 secured to the side walls 6 of said hallopposite l
Si? is down a well concealed small electric light 55 is on,
each other.
which light'is visible only to the teller and not to any
The chains 3 are connected by a plurality of heavy metal
bars 7 of such size and arranged so closeto each other, 65 outsider. The light indicates that the micro-switch 4d is
that a man cannot squeeze himself between the same.
'ìfhe lowermost bar '7 carries extending downwardly there
from to the iloor 8 a heavy rubber apron 9.
connected with the source of current. The teller may
raise said finger to an angle of about 45 degrees without
going over the dead center. He may raise said finger .over
The door 'r extends upwardly through a ceiling 10 and 70 the angle of 45 degrees,»but he will feel that the spring
53 now pulls said tinger upwardly. The teller can keep
the upper end thereof is secured to a hexagonal drum 11
the finger Sii in the latter positionwithout operating the
of considerable size up which said door is normally
v 4
door 1. But when a holdup man demands -to give him
all the currency, the teller complies with the request. He
lets the linger to rise to the position of 90 degrees, as
shown at Sit-A, and the hook 52 contacts and operates
the micro-switch 40 which is located under said shaft 51.V
The latter micro-switch turns they light 55 otf and ac
tuates the electric motor 22 of the door 1. The motor 22
immediately forces the door 1 downwardly to close the
ated by the spring levers 96 and 71, «as heretofore has
been explained in detail. Y
A Wire 126 connects said-source of electric current with
the contact point 130 of the-trouble switch 29. VNormally
, the latter contact point is connected with the contact point
131, which in turn is connected by a wire 132 with la
contact point 133 of the switch 110. The latter point is
connected with -a point 135, when the pressure of the leaf
spring keeps fthe switch close-d. If said pressure Áis released,
The pulley 34 of the second door 30 carries a pin 70 10 the point 133 becomes connected with =a point 136. From
on its outer surface near the periphery thereof which op
erates a spring lever 71 consisting of two prongs 72 and
»73. The lever 71 rocks a shaft 75 to which the same is
Y the Vpoint 135 current flows 4th-rough a wire V’13.7 to ~a point
13S of .the micro-switch 40 in a teller’s Vcurrency drawer.V
The latter point is normally connected with Ythe point 139
The shaft 75 operates simultaneously two
which is connected by a wire 140 to the light 55 and
switches 76 and 77. The switch 76 reverses the motor 32 15 therefrom by a wire 141 to the wire 128 and the source of
and the switch 77 cuts off the ñow of current to the same,
and turns on alarm signals 78 and 79 which may be a
When .the teller yoperates the switch 40 as heretofore
siren and a' bell respectively. A timing device j81 is in
cluded in the electric circuit of said alarm Vsignals to de
has'been explained in detaiL‘the point 138 becomes con
nected vvi-th »the point 141, and current runs through wires
lay the’sounding of the alarm signals for ten seconds after 20 142 and 143 .to the motor reversing switch 105. The
the stop switch 77 has been turned on. The lever 71 is
operated when the door reaches the ñoor to set the motor
V32 for raising the second door 30.
The pin 70 «also operates'a third switch 88 by a leaf
spring 89 extending over said'switch and in the path of
said pin. The pin 70 normally presses the spring 89
Adownwardly -to close the switch 88, butwhen the drum 31
rotates in the clock-wise direction looking at FIG. 8 to
motor 22 turns the drum 11; The pin 95 carried by said ,
`drum rises and releases >the pressure of the spring 111
from the Athird switch 110.V Thereupon the .point'130 is
placed -in communication with «the vpoint 136 which is
connected by a wire 145 with the cut-olf switch 106, which
is closed. The latter'switchis connected by la wire `14,6 Y
to the wire 143 and, hence, tothe motor 22. Therefore,
the micro-switch 105 need not be held in operative posi
tion more than a very short `time needed to give the motor
close said door, the pin'70 moves upwardly and releases
said spring `89, thus opening the switch 88. The latter 30 22 av good start. Then »the third switch 110 sends the Y
current through the above described circuit.
remains open until the dooris lifted and .the pin 70 .again
When the door 1 reaches the floor, .the pin 95, 'after
vcloses said switch by said spring 89.
having made `an almost Vcomplete circle, pushes the lower .
The first ‘door 1 has the Ysame arrangement of a pin
prong 98 of the spring lever 96 upwardly 'and rocks the ,
95 on the drum 11 which operates a spring lever 96 hav
ing two prongsl 97 and> 98, said'lever being secured 'to -a 35 shaft 100. The latter 'actuates lthe reverse switch .105'
shaft 100.. 1 The latter shaft is adapted to operate simul- " setting the same for the reverse rotation of the motor and
the stop switch 106 cuts off 'the' dow of currenttherc‘
_. taneously two switches 105j=and 106, the lirst of which
through.V` VThe downward movement of the
1 stops
reverses the motor and the other cuts oû‘ the ñow of
and the latter remains in such position until a general
current to the same, 4andgin .additionthereto turns on alarm
release switch 150 is operated. i Atrthe ysame 'timefthe'
@signals 7s and 79. A third switçh 11o is nso provide-d
stop switch 106 turns on current to .the wire 151, .con
in connection with said door 1 which is normally kept ~
nected to the timing device 81 and the signal devices 78 Y
i Yclosed by a leaf spring 111 operable by said pin 95.
and 79.Y The wire 152 completes lthis circuit by connect# Y
WhenV the door starts to rotate and the pin releases the
ing the latter device to the wire 128.
leaf spring 111, 'the switch 110 opens.
The switch 150 is loperated by a special key which is inf;
The'spring lever 96 is provided with an extension 115 to 45
possession of :one of the employees of the bank. But said `
which is fulcrumed a secondary lever 116 with freedom
switch is located preferably in the hall 2 near the entrance
y ~ of swinging upwardly only.; The secondary lever carries Y
door thereof and out ofthe reach of any person locked in '
Y a linger 117 fulcrumedïto’the end thereof. The finger 117
the bank by `the door 1 or 30; When the-alarm signals
ris arranged for swinging downwardly only and is returned
50 are sounded and -thezpolice have arrived, then the key is- Y ~ .
to its normal position by »a spring 118.
given to a policeman-‘on the outside through said door 1
The extension 115, secondary lever 116 and Ithe finger
117 extend to the Vpulley'34 of thesecond door- 30V'and
017130. ' The policeman turns the key `and therebyopenates
are operated by its pin 70 as follows. '
the general release Iswitch 150.V The latter Y'has -a pluralityV Y j
for reversing the rotation of the motor 22.
operated theV point 156 is brought inrcommunicationwith f ' '
ía' point- 157 which isconnected togtherwire 143V leading _
of contact points for various purposes which shallrbe
When the door. 1 is going down, the spring lever 96>
remains in its downward position, as shown’in FIG.; 8, 55 gradually described hereinafter.
The wire 145 is connectedV byrwire 155 to ia contact .
until itis lifted by Ythe »same pin on its >upward swing when
point 156 of »the switch 150. VWhen the latter switch is A, 'Y
the'door 1 reaches the door, vthus' resetting the switch 105
If the Vdoor v1 should Ystop for some Vreason on its-way
"down, the second door immediately starts to go down.
to said reversible switch 105.Y The motor raises the doorl
1 up. .The pin 95 Itravels inwacounter-cl-ockwise direc-_? „
»and the secondary lever 116 and swings the same downfY
Y pushing
tionV and the
Í 96prongv
97 downwardly,
Yand therebyYY1
wardly, thus rocking the Vshaft 100 and swinging `the springY I ' '
lever 96 upwardly. VThe shaft 100 Yoperates the ¿switches ' ^
YThe pin 70 on its downward motion meetsthe, linger> 1,17
i Y 105 and i106 the first of which reverses thernotor, thus 65 Y, for the initial Vposition hereinbefore described.
_ :ij If for somereason »the door 1 stops before' reaching the; Í `
,permittingY the door/gto be
delivered tofsaid motor.
lifted when the current is Y
Electric WiringV Diìagrç'zïk
ñoor,rthe1gear;26, being pushed away bythe clutch _27,
' ï _¿ ¿as Yhereinbeforei has been described, operates theY switch
29 to place ,the contact pointj130in communication with
the point 160 _connected by a wire 161 with Ya point Y162 inY " Y
Y Y 'I'he electric
diagram shown in FIG. Y6,»inclurdes -70 said general release switch 150'whichLpoint isnormally
a wire 125 connecting a source of electric current with
in communication with a point 163 in ythe Vsame switch.
, wires 127 and 128 leading to reverse switches 105 and 75',
The latter point is connected by a wire 165 .to a point
whichV reverse the flow of current to motors 22 and 30
166 of the switch 88 of 'the second motor 32. VThe latter .
respêctively. The .reverse switches 105 `and 76 are oper
switch normally'keeps fthe point 166 in communica-tion
with the point 167 which is connected by «a wire 168 to
the cut-off switch 77. The latter completes 'the circuit
through to a wire 170 and iîie reversible switch 76. The
motor 32 closes the second door 30. When `the door 38
motor for closing the first door; and a general release
switch for raising the first and the second doors.
4. In an escape preventing device of the class de
scribed, a combination of two flexible doors arranged
-and 79. A wire 17S connects said switch 77 with ‘the wire
-above an entrance into a building, comprising a first door,
a iîrst drum upon which said ñrst door is normally
wound, a ñrst electric motor for unwinding the drum and
lowering said first door to the ñcor of said entrance and
151 for the purpose of operating said devices.
The second door 38 is also raised by the operation of
the general release switch 150. When the pressure of
the spring 89 on the switch 88 is released, the point 167
for winding said first drum and raising the first door; a
switch for reversing the rotation of said first motor and
a switch for cutting the motor 0E, means operable by
said drum for simultaneously operating said two switches
of said switch becomes connected with `a point 178.
when the first door reaches the -iioor of an entrance; a sec
ond door, a second drum upon which the latter door is
reaches the floor, the pin 70, through the spring lever 71,
operates the switches 76 and 77, reversing the switch 76,
cutting the motor off and ‘turning on `the alarm devices ’78
When `the general release switch 150 is operated, the
following circuit is established: from wire 126 by wire 179
to the point 178, point 167, wire 168, a wire 180 to points
’181 and 182 in said general release switch, which be
come closed, by a wire 183 lto ,the wire 178 `and »the motor
wound, a second electric motor for lowering and raising
said second door, a switch for reversing the rotation of
said second motor, a switch for cutting the last men
tioned motor ofi, means operable by said second drum
32, thus raising the door 30.
for simultaneously operating said last mentioned two
At the same time the first door 1, which is partially 20
switches when the second door reaches the fioor of the
closed, is raised in the following manner: current runs
means operable by the second drum and associ
from the wire 26 `to the point 138, point i60, Áa wire 185
ated with the means operable by the ñrst drum for simul
to points 186 and 187 of the general release switch; line
taneously operating said first mentioned switches for re
188 to the line 143 and `the motor 22, thus raising the
versing the rotation of the first motor and for cutting the
door 1.
same eti if the first door fails to reach said floor, and
I claim:
means for actuating said second motor for lowering the
1. An escape preventing device for a building, having
second door when the first door fails to reach said floor.
an entrance hall with a floor, comprising a first door
5. In an escape preventing device of the class described,
normally located above said hall, means for lowering
said door to said door to close an area in said building,
a combination of two doors arranged above an entrance
into a building in spaced relation to each other, an elec
means for raising said door, a second door arranged in
tric motor for raising and lowering each door for closing
spaced relation to the first door above said hall, means for
an area in said building to lprevent egress therefrom;
lowering and raising the second door, means associated
means associated with each motor for stopping the same
with the first door for actuating the last mentioned means
when the respective door reaches the floor; a switch in
to lower the second door when the first door fails to reach
side of said area for actuating the motor of one door to
said floor, means located within said area for actuating
lower the same to the door; means associated with the
the means for lowering the first door, and means outside
motor of the last mentioned door for actuating the motor
of said area lfor actuating the means for raising said
40 of the second door for lowering the same to the floor,
whenever the first door fails to reach the floor; means for
2. An escape preventing device for a building, having
reversing the rotation of said motors; and a means for
an entrance hall with a floor, comprising a first door and
actuating said motors for raising said doors.
a second door normally located above said hall, each door
6. In an escape preventing device of the class de
having an electric motor for lowering said doors to said
ñoor to close an area in said building and for raising said 45 scribed, a combination of two flexible doors arranged
above an entrance into a building in spaced relation to
doors above said hall, a switch located inside of said area
each other comprising a first ñexible door, va first `drum
for actuating the motor of the first door to lower the lat
for winding said first door, a first electric motor for lower
ter to the licor, means associated with the motors for ac
ing said first door to the floor `of said entrance for barring
tuating the second motor for lowering the second door
only if the first door fails to reach the floor, and means 50 the exit from an area in said building; means associated
with the first mentioned drum for stopping said ñrst motor
outside said area for actuating said motors for raising said
and for reversing its rotation when the first door reaches
the ñoor; a second flexible door, a second drum for wind
3. An escape preventing device for a building, having
ing said second door, a second electric motor for lower
an entrance hall with a ñoor, comprising a first door 1o
ing said second door and for raising the same, means for
cated above said hall, an electric motor for lowering s_aid
stopping said motor and for reversing its rotation when
door to the ñoor of said hall to close an area in said build
the second door reaches the floor; means for stopping the
ing, and for raising said ñrst door; a second door ar
first motor and means for actuating the second motor
ranged above said hall in close vicinity of the first door,
for lowering the second door when the first door -fails to
a second electric motor for lowering said second door to 60
reach said floor.
said ñoor and for raising the same; means for reversing
References Cited in the file of this patent
the direction of rotation of the first motor and means for
stopping the same; a first lever associated with the first
door for actuating the last two mentioned means when
Canda _____________ __ Mar. 31, 1891
the ñrst door reaches the door; means for reversing the 65 1,181,307
Hankulich ___________ __ May 2, 1916
direction of rotation of the second motor land means for
Hill _______________ __ Oct. 20, 1925
stopping the same; a second lever associated with the sec
McLellan ___________ __ Apr. 17, 1928
ond door for actuating the last two mentioned means
Ruschmeyer __________ __ Sept. 16, 1930
when second door reaches the ñoor; means associated
Stande _____________ __ Sept. 4, 1934
with the ñrst door for actuating the second motor when 70
the first door on its downward motion fails to reach the
ñoor, said first lever having an extension for operating
said first lever by the movement of the second door; a
secret switch within said building for actuating the ñrst 75
Silver ______________ __ Sept. 26,
Stelter ______________ __ Mar. 4,
Morrison ____________ __ Sept. 30,
'Stern et al. __________ __ Feb. 24,
Purdy ______________ __ Sept. l2, 1958
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