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Патент USA US2136711

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Nov. 15, 1938.
Original Filed Oct. ll, 1926
9 Sheets-Sheet 1
Nòv. l5, 1938.`
Original Filed Oct. l1, 1926
Nov. ï5, 19.
A. D. lFeoLLms-
Original Filed Oct. ll. 1926
9 Sheets-Sheet 3
Nov. l5, 1938.
originai Filed oct. 11, 192s
9 Sheets-Sheet 4
@Maw @um
Nov. 15, 1938.
Original Filed 00t- ll, 1926
9 Sheets-'Sheet 5
Nov. l5, 1938.
A. D. RoLLlNs
ÍOriginal Filed Oct. ll, 1926
9 Sheets-Sheet 6
A. D, RoLLlNs
Original Filed Oct. l1. 1926
9 Sheets-Sheet '7
Í712/622 for»
„Ärcé ß ßollz'feß'
Nov. 15, 1938.
koriginal Filed om.Á 11, 192e
`9 sheets-sheet 8
Nov. 15, 1938.
A. D. RoLLlNs
2,136,711A y
Original FiledV Oct. ll. 1926
9 Sheets-Sheet 9
I?? Vefe für'
Patented Nov. 15, 1938
Arch D. Rollins, Chicago, Ill., assignor, by mesne
assignments, to Temporator Company, Chicago,
Ill., a corporation of Illinois
Original application October 11, 1926, Serial No.
‘ 140,721. Divided and this application October
5, 1934, Serial No. 747,107 -
(Cl. 177-338)
6 Claims.
My invention relates to dispatcher and con
trolling means for timing and controlling factory
One object of ~ my invention is to
provide improved factory control means whereby
5, a central station may at all times be informed
of conditions in the work in various parts of the
factory. Another object is to provide such means
whereby by a simple system of signals, ’a central
station may bekept informed as to the specific
10` progress of specific pieces or jobs of work going
on through the various parts of the factory. An
other object is the provision of a central station,
and a plurality of sub-statio-ns in quick and easy
communication with the central station, whereby
the central station may by signal receive from
and impart to the sub-stations necessary infor
mation. Other objects will appear from time to
time in the course of the specification and claims.
This application is a division of my original
20 application Serial No. 140,721, filed October 11,
1926, now Patent No. 1,976,248 issued‘October 9,
ure 2;
Figure 19 is a section on the line IB--IS of Fig
ure 2;
, ,
Figure 20 is a detail view of a modification;
Figure 21 is an elevational View of a system
showing a central station or sending set and a 10
plurality of receiving sets;
Figure 22 is a schematic diagram illustrating
the electrical connections of a typical system.
Like parts are indicated by like characters
throughout the specification and drawings.
It will be understood that 1 employ a number
of sending and receiving units, of which one may
be a central station and the others branch sta
tions. The mechanism of the various units are
similar, the differences between them being 20
largely in matters of wiring and circuit.
`Referring for example to Figures 1, 2, 3, and 4,
matically in the accompanying drawings, where
shown as of sheet metal, consisting of the bottom '
plate A1, the upstanding circumferential side wall 25
A2, the ledge A3, inwardly projecting therefrom
and the flange A4 upwardly projecting from the
ledge A3. The ñange A4 is at each end inwardly
and then upwardly continued, to form the up
sending or receiving units;
Figure 2 is a section on the line 2--2 of Fig
ure 1;
standing wings A5.- >
`Figure 3 is a section on the line 3-3 of Fig
ure 2;
` Figure 4 is a section on the line 4--4 of Fig
In it is rotatably mounted the pin‘B2, provided
Figure 5 is a section on the line 5-5 of Fig
ure 3;
Figure 6 is a plan view with parts removed of
the interior mechanism of the unit with the hous
ing removed;
Figure 7 is a bottom view of the same mecha
Figure 8 is a section on the line 8-8 of Fig
ure 6;
Figure~9 is a section on the line ,9-9 of Fig
Figure 10 is a section on the line lU-IIJ of Fig
ure 8;
Figure 11 is a section on the line I l-I I of Fig
Figure 12 is a section on the line l2----l2 of Fig
Figure 13 is a section on the line 13-13 of Fig
ure 12;
Figure 14 is a section on the line lll-«I4 of Fig
At each end of the base A is positioned a block
B, held in position for example by the screws B1.
l ure 3;
Figure 1 is a perspective view of one of the
Figure 17 is a detail view of a contact sleeve;
Figure 18 is a section on the line l8-l8 of Fig
A generally indicates a base member, herein
I illustrate my invention more or less diagram
Figure 16 is a section on the line I6-l6 of Fig
ure 12;
Figure 15 is a rear view of an indexing device;V
with a key aperture B3 at its outer end and with
a hook element B4 at its inner end. 135 is any 35
suitable member for preventing axial movement
of the pin B2, the pin being grooved as at B3.
The wall A4 is cut away as at B'Z to permit the
rotation of the hook B4.
Resting upon the ledge A3 and centered by the 40
flange A4 is any suitable housing member, gen
erally indicated as C, including a generally ver
ticalrear wall C1, a short vertical front wall C2,
a rearwardly inclined forward face C3, a hori
Zontal top C4 and end walls C5. Positioned in 45
the forward front face C3 is any suitable indexing
mechanism, including the fixed stop D and the
rotating member D1 provided with the Various
apertures .D2 overlying the fixed indicating sym
bols D3. D4 is a push bottom positioned in the 50
same'inclined forward face C3 of the housing and
D5 is a glass or lens> preferably red.
The housing face is forwardly upset as at D”I
apertured as at D3, the upset portion being adapt
ed to receive a pane of glass D9 to close such B5
D10 are headed pins on the inside of
the ends of the housing, such pins being adapted
to be engaged bythe hooks or latches B4.
Mounted on the bottom of the base member A
is the block E of insulating material upon which
are a plurality of contact strips 4E1 held for ex
ample by the screws E2, the block as a‘whole being
held in position by the screws E3.
Mounted on
the inside of the rear wall of the housing area.
10 plurality of holding clipsv E5 adapted to receive
the Contact holding plugs E5 of insulatingma
K5 of the quick acting magnet K1, in which are
mounted the switch leaves K10, K11, K10 being pro
vided with a terminal insulated block K12, K14
are ears projecting outwardly from the switch
bracket K5. To them is pivoted the switch con
trolling lever, one arm of which K15 is adapted to
engage the block K12 on the leaf K10, and the
other arm of which K15 is adapted to be drawn
„ „to the core K8 of the electromagnet K7 in re
sponse to its electric actuation. The leaf K10 is 10
in such case thrust into contact with the leaf K11,
Mounted in such plugs are the spring ì the switch being thus closed in response to and
during actuation of the electromagnetic coil K".
The magnet K has mounted on the insulating
sition on the base. E0 are any suitable conduc
block K9 the switch leaves K20, K21 (Fig. 7).
tors, communicating with the plungers E", which
Secured to the opposite side of the member G2,
extend to the dial mechanism above described. adjacent one end thereof, is the insulating block
Mounted between the upwardly projecting L\(Fig. 12) , held for example by the screws L1, and
wings A5 is a supporting structure comprising end provided with nine contact sleeves L2 substantial
` terial.
pressed plungers or pins E", adapted to engage
the contact strips E1 when the housing isv in po
plates G, connected by the transverse members
G1, G2 riveted or otherwise secured thereto. The
member G1 is flanged at front and rear as at
ly identical with the contact sleeves H1 earlier
described. This is shown particularly in Figures
6, '7 and 12.
G3, G4, the lower flange G4 being substantially
Secured to one of the end plates G of the
shorter than the upper flange. The member G2
is flanged at each edge as at G5, G5. The flanges
G2, G5, G6 are notched at intervals as at G", the
width of the flanges at the bottom o_f the notches
cradle, for example as shown in Figures 3, 5 and
being substantially equal to the flange G4. The
end members G are slotted at three points as at
G10, these slots overlying the transverse slots G11
in the wings A5, the intersecting slots permitting
adjustment of the relation of- the'opposed plates.
G12 are any suitable securing bolts Vwith the nuts
G14, the inner washer G15 rand the outer washer
G15, as shown in Figure 19.
Secured to the upper edge of the lower side of
the member G1 are a plurality of blocks I-I of
insulating material apertured to receive a plu
rality of contact sleeves H1 which are upwardly
‘slotted as at H2, vas shown in Figure 17.
such sleeve has secured at its lower end, as shown
in Figure 16, any suitable wire or conductor.
Secured to the lower'edge of the rear of the
member G1 are a plurality ofïblocks H3 similar
to the blocks H and provided with similar slotted
contact sleeves H1.
Riveted or otherwise secured -to the member
G2 adjacent the upper portion >of the bottom
thereof -is the bracket member J, to which is se~
5`óï cured the insulating block J1, to which are' se
cured the clip and conductormembers J2, as»
sociated with -which is a light J3, herein shown
as a standard telephone light.
The light J3 is
centered beneath theglass or lens D5, earlier
; mentioned, and secured adjacent the opposite end
of the members G2 is the similar bracket member
J5 with the insulating block J7 in which is mount
ed a double switch comprising three stationary
leaves or contacts J2, J9, J10, between which are
located the two movable leaves J11, J12, provided
with the insulating spacing members J13, J14.
It will be understood that the switch is positioned
beneath the switch button D4, and that a pressure
upon the button D4, will move the switch leaves
J11, Jia
Secured to the lower face of the member G2
6, is a bracket member M mounted upon the 25
flange M1 inwardly projecting from the plate G.
The bracket carries the electro-magnet M2 with
the core M3. M4 is a reset shaft rotatably mounted
in the plates G and extending from end to end
of the cradle, it being held at the ends for ex 30
ample by the screws M5 passing through the
plates G. Mounted thereupon is the arm M5
and the plate M7 opposed to the core M3 of the
electro-magnet. It is to be understood that actu
ation of the electro-magnet will draw the arm
M5 toward the core M3, and thus rock the shaft
M4. M9 indicates a stop member with the ter
minal lug or hanger M9 adapted to limit the
downward movement of the lever M5 when it
drops in response to gravity during inactivity of 40
the magnet. It will be understood that the reset
shaft M4 carries a plurality of levers M10, ar
ranged to cooperate, respectively, with the lock
ing pawl levers O3, hereinafter referred to, for
the purpose of simultaneously releasing all of 45
said pawls when the shaft is rocked due to ener
gization of magnet M2. Furthermore, the said
levers Mlo may be adjusted and positioned as a
group, with respect to said locking pawl lever, by
slightly depressing or by bending the ñange M9
of the stop M0.
Mounted upon the members G1, G2, and seating
in the slots G7, are a plurality of indicator units
and a single advance unit. The indicator units
are identical and but one will be described. Each
such indicator unit, shown in detail for example
in Figures 8, 9 and 10, consists of a side plate
N with a forward flange N1 at right angles there
to and an upper flange N"2 likewise at right angles
to the plate. The side flanges N1 and N2J thus 60
partiallt7 enclose the mechanism mounted on
the plate N, and they are so shaped and propor
tioned that when several units are assembled in
juxtaposed position on the cradle unit, said flange
cooperates with the exposed face of the next
adjacent unit, to aid mounting the proper rela
intermediate the brackets J and J5 are two identi
tive Apositions of the several units on said cradle
cal quick acting `magnets K, K1, each comprising
structure, and more particularly with respect
to the windows in the face plate through which
the indicating characters are visible, Mounted
upon ,the flange N2 is the bracket N3 carrying
the electro-magnetic coil N4 with its core N5. It
also carries the insulating block N5 carrying
three contact pins N'Z adapted to engage the con
tact sleeves H1 in the block H.` It is to be further 75
a bracket member'K2 having an outwardly turned
flange K3 to which is secured a contact block K4
and the switch bracket K5. K9, K4, K5 areherein
shown as secured together by the screw K5, the
inner end of which serves also to support and po
sition the magneticcoil K'Yfby axial engagement
`T with its »core K9. Mounted on the switch- bracket
It will be understood that the indicator mem
ber P3 may be provided with any desired sym
noted that the side plate of each unit is cutaway
at N23 to permit the units to straddle the reset
shaft M4 as shown in Figures 8 and 9.
bols, the indicator strip and the wheels upon
which it is mounted being aligned with the glass
D1, the forward flanges N1 of the plate N being
Pívoted to the plate N, as at N2, is- the lever N3,
l having a portion N10 opposed to the coreN5 of the
electro-magnet. At the lower end of the lower
arm of the lever is pivoted, as at N11, a supple
mental lever having an upper arm N12 and a
vlower arm N13 having a rocking or cam surface
cut away as at N21 to render the signals visible.
Figures 12, 13 and 14 illustrate theV advance
unit` adapted to control the advance -or move
ment of the successive individual indicator units,
in response for example to dialing. The advance
units include a frame structure substantially
identical with that of the indicator units, includ
N14 opposed to a lug N15 on the plate N. The
upper arm of the lever N12 is normally moved to
the right, asshown in Figure 9, by the tension
spring N15. It carries a dog Nl'l‘normally moved
in clockwise direction by the spiral spring N18
against the guide or stop N10. N20 is a stop to
ing the side plate N with the forward flange N1 at
right angles to it, and the‘upper flange N2 also
at right .angles to the plate. The same bracket
limit the movement of the dog.l N22'is a stop on
N3 carries an identical electro-magnetic coil R '
Counter-clockwise direction of rota
tion of the sleeve and ratchet wheel is prevented
with its core R1 and the insulating block R2 with
the three contact pins on each side adapted to
engage the contact sleeves H1 in one of the
blocks H.
ASimilarly, the lever N0 is pivoted as at N8 to
by the pawl O3 pivated as at O‘1 to the plate and
normally held in operating position by the tension
spring O5. It will be understood’that at each
actuation of the electro-magnet N‘1 the number
to the core R1 of the electro-magnet. The lower
end of the lever has pivoted to it, as at N11, the
supplemental lever with the upper arm N12 and
the plate N to limit the turning of lever N9.
O is a shaft fixed upon the plate N upon which
is mounted a sleeve O1 to which is ñxed a ratchet
l Wheel O2.
the plate N and supports a portion N10 opposed
the‘lower. arm N13 with its rocking or cam sur
N10 will be drawn to the core N5 and the lower
arm of the lever N9 will be rotated clockwise, as
face N1‘1 opposed to the lug N154 on the plate.
The upper arm N12 is normally moved to the
right, as shown in Figure 12, by the tension spring
shown in Figure 9, the lever arm N13 will engage
the stop N15 and rotate about the pivot N11. The
dog N11 will be thrust along the guide N19 to en
gage the ratchet teeth of the wheel O2, imparting
to the wheel and sleeve O’1 a movement in clock
wise direction. The stop N20 limits this move
ment to a distance substantially equal to the
asf1 length of one of the ratchet teeth, the pawl O3
overriding one tooth and engaging the next tooth
to prevent rotation of the sleeve in the opposite
direction. It will be understood that the reset
shaft ML1 with its lever M10 will, upon its counter
N10 and carries the dog N17.
reduced shaft portion forwardly extending from
the end of the thicker portion of the shaft. The
reduced portion is squared >at the end as at S2
and provided with a lock spring clip S3.
Surrounding the shaft S, S1 is the sleeve S4
conforming thereto. Mounted about that por
tion of the sleeve which surrounds the thicker
portion S of the shaft is the ratchet wheel S5,
the spacers S5, the stop members S7 adapted to
engage the fixed >stop P5 on the plate N, andthe
indicator discs S8 with the indicator strip S2, the
structure being substantially the same asA that
shown in Figure 11 and employed for the indi
40 clockwise rot-ation as shown in Figure 9, move the
pawl O3 into inoperative position, thereby releas
ing the ratchet wheel and permitting retrograde
rotation of the sleeve O1.
The sleeve O1, as shown in Figure 9, the control
of the rotation of which has above been described,
' carries the following indicator mechanism.
` The> portion of the sleeveS‘1 which surrounds
the reduced portion S1 of the shaft carries a
number >of elements below described and ter
minates in al squared portion S10 upon which is
mounted a disc S11 surrounded by the spring S12, 50
the inner end of the spring penetratingV a slot
S1l1 of the disc and the outer end being secured
vidual indicator units.
P, P1
are cupped wheels with the outwardly turned
rims or ilanges P2, upon which is positioned the
indicator strip P3. P‘1 is a stop element associat
with the wheels P, P1 and adapted to engage
50A ed
the fixed stop P5 on the plate N at ‘the limit of
, rotation of the wheels. The stop P‘1 also engages
the insulating block P0 on the end of the “off
normal” switch leaf Pr1 mounted in the insulating
to the member S15 inwardly projecting from the
wheel S10 ñxed on the square portion S2 of the
shaft S and held in position by the spring lock
member S3. The stop member S’1 is adapted to
engage the ñXed stop P5 on the plate N `and to
actuate the switch levers S18, S19 identically as the
stop member P‘1 actuates switch levers P1 and P9.
‘The parts above described are substantially 60
identical in form and operation to the corre
sponding parts shown in Figure 11 and found in
Referring to Figure l0, when the stop
P‘1 is engaging the ñxed stop P5, and prior .to ro
tation of the indicating assembly, it is in engage
‘1 block P5.
ment with said block` P0 and is holding the
lswitch leaf P1 out of contact with the‘opposite
60" switch leaf P3. As soon as the assembly is ro
tated from normal position and as soon as the
`stop P‘1 clears the block‘Pß, the “off normal”
switch is closed and remains closed until the
said- stop returns to lits initial position. `The
6511 squared portion O10 of the shaft O carries-the
plate P10, thereby fixed against rotation. >Be
tween the plate P10 and the sleeve O1 is the spiral
spring P11 adapted normally to rotate the sleeve
O1 in counter-clockwise direction, as shown in
the individual indicator units.
Mounted on the lower portion of the shelf N2 is
the sheet metal bracket T to which is securedY 651
the Vblock T1 of insulating material, centrally
apertured as. at T2 to- permit the passage of the
reduced portion` of the sleeve S4. Secured to the
outer face of the block T1 are the shield mem
705 Figs. 9 and 11, this tendency being normally
checked by the interposition of the pawl O3. P12
is a pin which passes through the wheels P, P1,
the stop Pl1 and the ratchet wheel O2, and through
flanges O11, O12 on the sleeve O1, thus holding the
entire assembly against relative rotation.
S is a shaft secured to the plate N and Sl is a
bers T3, 'I'1 positioned back to back, as` shown 70
in Figure 13, the outer rim «T5 of the member T4
extending outwardly around and surrounding thev
spring S12.
Mounted on the block T1 concentrically about
the central aperture T2 is the contact ringT5
secured for example by the screws TY' and having
the outwardly projecting rim or fiange T8.
Mounted concentrically about it are a plurality
of contacts T9, each including the hollow sleeve
, T10 passing through the block T1, the outwardly
projecting portion T11 and the inwardly turned
portion T12. T1'1 is any suitable wiring connec
tion extending from such contacts to the contact
pins T15 in the block T16 secured to the bracket
10' T (Fig. 12). It will be understood that there is
a pin and a wiring connection for each of the
indicator units.
Mounted about the reduced portion of the
sleeve S4 are any suitable insulating rings U,
115 held in position by the locking member U1 and
having mounted thereupon three wipers U2, U3,
U4. The wiper U2 is adapted to wipe the outer
face'of the iiange T2. U3 and U4 wipe the oppo
site sides of the inwardly turned portions T12 of
l the contact member T9.
Referring to Figure 20, which is a modified
form of the operation of the structure shown for
example in Figures 8 and 9, the upper arm N12
of the supplemental lever pivoted to the lower
25 end of the lever N9, has pivoted to it a dog N25
having an upwardly extending ear N25Vto which
is secured-the single tension spring N2I1 which
carries out the function of both of the springs
N15 and N18, as shown in Figure 9, drawing the
; lever arm to the right and imparting a clockwise
movement to the dog N25.
As illustrated in Figure 15, the indexing de
vice has at the rear a plurality of spring contacts
insulated from each other, of which two V1, V2
;are operated by the cam V3, which in turn is
actuated by the Vturning of the rotating member
The cam V3 is positioned so as to hold the
spring contacts V1, V2 apart when the indexing
device is at rest. The spring contacts V4, V5 are
, closed and opened by the lever V5 in the usual
manner. The spring contacts V2 and V5 are
electrically connected as at V7.
Figure 21 illustrates a schematic layout of a
central station and sub-stations, of which three
are shown.
W indicates a switch-board panel of insulating
Mounted thereon are a plurality of
multiple jacks W1 and pilot lights W2, each pair
representing a different sub-station which may be
_identified by numbers, as shown. Secured to
' each jack W1 are a plurality of wires, later to
be described and generally indicated as W3, which
extend to- the sub-stations œ.
Y is the control station having a phone plug
Y1 connected to the wire cord Y .
The use and operation of my invention are as
One of the objects of my invention being to
provide improved factory control means whereby
a central station may at all times follow up the
work in various parts of the factory, and whereby
means of communication between a central sta
tion and sub-stationsl are provided, I have de
veloped a system whereby from a plurality of
sending stations information may be sent to a
central receiving station, it being understood that
the receiving station can send and the sending
stations can receive. I thus provide a complete
system of factory communication. The general
operation of the device will be clear from Figure
22, a schematic layout or wiring diagram in which
only two stations are shown, one of which may
be considered the main receiving or central sta
tion and the other, one of the supplemental
‘ stations.
In practice, each station includes a receiving
and sending mechanism, housed as shown for
example in Figures 1 and 2 and 21, with a dialing
mechanism on the forward face of the housing
C and a 4transparent window adapted to permit
the- observation of one symbol at a time upon
each of the plurality of indicating cylinders or
strips employed.
When an operator wishes to send a message
from any of the sub-stations, he presses the but
ton D‘1 which actuates the switch leaves J11, J12.
'I'he effect is to close the circuit through the pilot
light W2 on the switch~board W, along the con
ductive line d from the battery d1 along the con
ductor d2, the light W2 and line d3, through the li)
leaves J11, J11 back along the conductor d4 and
back through d5 to the battery d1. The light W2
is preferably positioned only at the central station
switch-»board and serves to indicate that an op
erator at a sub-station is trying to communicate.
The central operator then takes the plug Y1,
which may be a regular telephone plug connected
to the central station, and plugs it into the mul
tiple jack W1, thereby closing the circuit through
the line d from the battery d1, the jack W1, line e, 25
wire e1 through the light J 3 showing through the
red lens D5 on the face of the sub-station X, the
wire e2, spring leaves J8, J11, back through the
wire d3, the' jack W1, wires e3, d5 to the battery
d1. At the same time the circuit is closed through 30
the pilot light W2, independently of the closure
of the manually operated switch button D4, the
circuit being made from the battery d1 through
the wires d, d2, pilot light W2, wire d3, the jack
W1, lines e3, d5 back to the battery. At the same 35
time the sub-station and the main station are
so connected that any actuation of the dial of the
sub-station will actuate the identical indicating
members and actuate the advance units of the
two stations identically so that identical signals 40
will appear at both stations, thus enabling the
sender to check his message.
Accordingly when the light J3 is illuminated,
the sender, knowing that the connection has
been made, proceeds to dial his message by ac 45
tuating the rotating member D1 with its aper
tures D2 overlying the fixed indicating symbols
D3. The operator places his ñnger in the aper
ture over the desired number or letter to be in
dicated and rotates the member D1 until his
finger engages the stop D. The operation of this 50
mechanism being the same as that commonly
employed in that of automatic telephones, I have
made no detailed description of this feature.
By rotating the member D1 in clockwise di 55
rection, the arm V6 moves out of contact with
the leaf spring V4, thereby closing the contact
leaves V4, V5 and making electrical connection
through the relay coils K1 of the station X and
coil K1 of the central station Y. A circuit is 60
established from the battery d1 through the line
d, multiple jack W1, line e, wire f, the relay mag
net K1, wire f1, f2, the spring leaf contacts V4,
V5 of the sub-station indexing dial, lines f3, d1,
d5 back to the battery d1. Electrical connection
is also made from the battery d1 through the 65
wires d, f4, the relay magnet k1 of the central
station Y, lines f5, f5, the switch-board jack W1,
lines f7, f2, Contact leaves V4, V5, lines f3, d4, d5
back to the battery d1. Magnetizing of relay coil 70
K1 causes switch leaves K10, K11 to be closed,
thereby establishing an electrical circuit from
the battery d1, wire d, switchboard jack W1, wires
e, f, contact leaves K11, K10, the line g, magnet
R, lines U1, d5 and back to the battery. Through 15
¿plug Y1 `through 719, thence to k relay magnet,
this impulse the magnet R attracts the upper
portion N1o of the lever N9, which actuates the
arms N12, which by its rocking motion of its cam
-surface N1‘1 of the lower portion N13 against the
lug N15 moves the dog N17 to the left, thereby
engaging a tooth of the ratchet wheel S5 and
turning the sleeve S4 in clockwise direction. As
thencethrough 112, f4 topositive battery d1.
Y Thus relay magnets K, ld receive impulses
from either dial X or Z which cause these re
lays in turn toj supply impulses from positive i
batterythroughrd, through jack W1, through e,
also from positive battery through wires f4, h2
through contactsK21 and R21, >thence through
contacts on ,armature ,of relay K2“ and .1620,
soon as the assembly is rotated and as soon as
the stop Slclears the switch contacts S18, S19,
10 the switch is closed and establishes an electri
» through i2 and i', thence through wiper arm U4, _l .
cal circuit, which willbelater described.
>By turning of the sleeve S4, the wipers U3, U4,
`are moved into contact with a contact sleeve T9,
thereby establishing an electrical connection
15 through the magnet NL11 of the indicator unit
`farthest to the left. Through magnetizing of
the relay coil k1 of the central station, the con
tact leaves k1”, 1G11 are closed and thereby estab
lish a circuit from the battery d1, wires d, f4,
20 contact leaves k10, 7611, wire g3, the magnet coil r
of the advance unit of the central station Y,
wires g4, g5, d5 and back to the battery. Through
`this electrical impulse, the magnet 1“ of the ad
vance unit of the central station causes the
1,25 switch leaves S19, S19-to be closed and moves wip
` `er U4 into contact with a contact sleeve t9, con
nected bythe line i3 with the magnet n4 of the
indicator unit farthest to the left. By the clos
ing ofthe switch leaves S19, S19 electrical con
30 nection is made from the battery d1 through the
Wires d, f4, Q6, the red light §30 of the central
station Y, wire Q7, contact leaves S191 S19, wires
g8, Q4, Q5, d5 back to the battery.
As soon as the operator of the substation X
35 allows the rotating member D1 of the dial to
return to its original position, the cam V3 rotates
and closes and opens contact leaves V1, V2fas
many times as the number dialed.
circuits ‘are thereby made from the battery d1,
wire d, jack w1, wire e, relay magnet K of the
substation X, wires h, h1, contact leaves V1, V2
of the dial, wires f3, d'1, d5 back to the battery,
and another circuit from the battery d1_through
the wires d, f4, h2, relay contacts k2“, 1621, wire
i2, wiper u‘1‘oi the. advance unit of the central
station Y, Wire i3, magnet 11.4, wires g4, g5,_d5 and
back to the battery.
As soon as the Vdial at X
station is moved >by `the operator into-'the off
normal or operative position, negative battery is
50 fed through d5, d4, i9 through the dial contact V5
into dial leaf spring V4, thence through f2, f1,
energizing K1. The current divides between f1
and f2, and also travels through f1 through jack
W1 along the lines f6, f5, to energize the >elec
55 tromagnet K1, thence through -the lines f4 and d
_to the battery. Likewise the energy returns from
K1 through f, through e, through jack` W1 to
wire d, to positive battery. It is seen, therefore,
that K1, k1 are energized simultaneously and
rc?,- on each advance unit through the wire i9, "
i1 on each station X and Y, through the indi
cator unit .magnet N4, n4 toV negative battery
through g1, d5. and g4, g5 and d5.
The so-called reset magnets M2, m2 are oper- Z
`ated. in parallel any time that the buttons m4 and
D‘1 are depressed.l The leaf springs m5 and J9, 7'11
receive energy as described above. 'I‘his parallel
operation of electromagnets M2 and m2 only oe
curs when the plug with thecord attached `is in
sei-,ted -inV jack W1, since the wire and contact 7‘6, `
jl through J9, i9 provides the paralleling of the
electromagnets M2, m2 as herein set forth. Like
wise the wire i5 leading to plug Contact je.
Magnetizing of the magnet coils N4, n4 causes
the switch> leaves'P”, P9 ofthe substation X and
the contactleaves p", p9 of the central station Y
to be closed, thereby Vestablishing two signal cir
cuits, one through the pilot light W2. which will
be later described, and another through the light „30
J1() of the central station. \
Each successive dialing will advance wipers U4,
w1 `to the `next following contact sleeves T9, t9,
each of which is connected by a wire i1 or i9 with
a magnet N4 or n? of an indicatorunit, as shown ¿.6
in Fig, 22.
Shouldthe operator of the substation X desire
to correct a message, by pressing of the push but
ton D4> electrical circuits are made through the
reset magnets M2, m2 of both stations, one circuit 40
from theY battery d1-,throughthe Wire d, jack W1,
wires e, i1, reset magnet M’g2 of the substation X,
wire j2, switch leaves ,110, J12‘, wires d4, d5 and back
to the battery. `Anothercircuit from the battery
,d1 through `the wires d, f‘1, i3, reset magnet m2 of
the central station Y, wires i4, i5, contact i6 of the
telephone plug Y1, spring. contact :i1 of the jack W1,
wire-i9, through the jack W1, wires i9, i2, spring
contact J10, U12, wires d4, 01.5 back to the battery.
After receiving ofthe message, the operator of 50
the central station presses next the push button
m4 of the receiving and sending device, thereby
closing a switch, generally indicated as m5.
switch is similar in construction to the one em
ployed at the substation, but has only two spring 55
leaves. By closing of the switch m5, electrical cir
cuits are made, one from the battery d1 through
Likewise d5, d4, ,19 supplies direct negative bat
the wires d, f4, 7'3, reset magnet m2, wire i4, reset
switch m5, wires m6, g5, d5 and back to the battery.
Another circuit from the battery d1 through the 60
wire d, jack W1, wires e, i1, reset magnet M2, wire
i9, jack W1, wire i8, spring contact i7 of the jack,
contact 7'6 of the plug Y1, line i5, reset switch m5,
wires m6, g5, d5 back to the battery.
tery to dial at station X.
When the cam V3 on either dial X or Z is ro
After resetting the station, operator of the cen
tral station pulls out the plug Y1. Should any
60 are in parallel.
Likewise, dial Z is wired in par
allel with the dial at station X, through f1 and
f6. Also g5 supplies negative battery to dial Z.
tated a number of times predetermined by the
digit dial, the contact springs V1 and V2 close.
V2 receives negative battery through d5, d4, I9
and supplies negative battery to V1, thence
through h1, wherein the current divides into 71.
and he. The current passing through h ener
gizos relay magnet coil K, returning to battery
through 4, through d, to positive battery. Like
75 wise h5 through jack W1 through h5, h4 in the
of the indicator units or advance unit of a sub
station fail to function properly and any of the
spring contacts P2, P9, or S111, S19 keep in contact
with each other, the pilot light W2 will stay alight,
being in circuit with the battery d1 through the
wires d, d2, pilot light W2, wires d4, m10, spring
leaves P9, l?7 or S111, S19, wires m11, g1, d5 and back
to the battery.
The equipment is laid out in such a manner
that any one of the various outlying stations X
terminates upon an individual line jack W1. By
inserting thel plug Yl in any of the jacks w1, the
central station receiving and recording equip
ment is connected to any of the X stations as
desired, so that a message may be transmitted
from any outlying station to the central station.
Likewise, a message can be transmitted from the
central station to any outlying station.
I claim:
separate wheel release means for each wheel car
ried by the shaft, an actuating arm including an
armature, a magnet carried by said supporting
structure and operably positioned with respect to _
the armature, means for defining the position of
the armature when the magnet is deenergized to
thereby position all of said arms with respect to
the respective units, and means for energizing the
magnet to simultaneously clear all the wheels.
4. In a station for a dispatcher system, a sup
1. In a station for a dispatcher system, a sup
porting structure, a plurality of indicator units,
means for removably mounting said units on the
means for removably mounting the units on said
supporting structure, each of said units including
supporting structure, each of said units including
15 an indicating wheel biased to normal non-indicat
ing position, means for advancing said Wheel,
means for locking said wheels in advanced posi
tions, and reset means for the wheels including
a reset shaft mounted in the supporting struc
20 ture and common to all said wheels, separate le
ver arms on the shaft for each wheel, and means
for rocking the shaft to simultaneously clear all
the Wheels.
2. In a station for a dispatcher system, a sup
25 porting structure, a plurality of indicator units,
means for removably mounting said units on said
structure, each of said units including an indi
cating wheel biased to a non-indicating normal
position, means for separately advancing said
30 wheels, means for locking the wheels in advanced
positions, and means for resetting the wheels to a
normal position including a shaft carried by the
supporting structure and common to al1 the units,
separate wheel release means for each Wheel car
ried by the shaft, an actuating arm carried by
said shaft, and means cooperating therewith to
define the normal inoperative position of all of
said wheel releasing means.
3. In a station for a dispatcher system, a sup
40 porting structure, a plurality of indicator units,
means for removably mounting said units on said
structure, each of said units including an indicat
ing wheel biased to a non-indicating normal posi
tion, means for separately advancing said wheels,
45 means for locking the wheels in advanced posi
tions, and means for resetting the wheels to a
normal position including a shaft carried by the
supporting structure and common to all the units,
porting structure, a plurality of indicator units,
a side plate having mounted thereon an indicat
ing Wheel biased to normal non-indicating posi
tion, means for advancing the Wheel, and means
for locking the wheel in advanced position; a re
set shaft mounted in a supporting structure and
extending transversely of all of said units, the side
plates of said units being cut away in transverse
alignment to straddlingly engage said shaft, and
means carried by the shaft for simultaneously re
leasing all of the wheel locking means when the
shaft is rocked.
5. In a station for a dispatcher system, a sup
porting structure, a plurality of indicator units,
means for removably mounting said units there
on, each of said units including a side plate, and
indicating mechanism mounted thereon, said side
plates being provided with íianges at the edges [30
thereof, said flanges extending substantially per
pendicularly to the plate to partially enclose the
indicator mechanisms mounted thereon.
6. In a station for a dispatcher system, a sup
porting structure, a plurality of indicator units,
means for removably mounting said units there
on, each of said units including a side plate, and
indicating mechanism mounted thereon, said side
plates being provided with flanges at the edges
thereof, said ñanges extending substantially per
pendicularly to the plate to partially enclose the
indicator mechanisms mounted thereon, and
being dimensioned to contact the outer face of
the side plate of the next adjacent unit when
assembled on said supporting structure to insure 45
proper relative positioning of said units.
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