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> Jan. 7, 1947;
A. w. MILLS ETAL- '
PRINTING MECHANISM
Filed Dec. 23, 1943
2,413,383
3 Sheets~$heet l
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F226. .1. '
INVENTORS
ALEERI' I“ Mu. 1.5
foam/m J. A’ABE/VM
FQgy/r 9/. FUR/WAN.
‘ATTORNEY
Jan. 7, 1947-
A. w. MILLS ET AL
2,413,883
PRINTING MECHANISM
Filed Dec. 23,, 1943
3 Sheets-Sheet 3
0
1
74
01254“
“,3I///
' INVENTORS
141.5597‘ /1{ 44/445
Eon/400 J. PABE/V?/l
FRANK J FUR/14AM
BY
,
Patented
‘is’ it’
, 2,413,883
gamma
a-
Albert W. Mills and Frank
and Edward .11. Rabenda ll. li‘nrman, llt'iidicott,
signers to llnternation, Binghamton, N. ‘11., as
chines
Corporation, New liorka allN. Business
Y., a corporation of
New York
Application December 253,, 1963,, Serial No. 535,373
5 (Ha. (6?. 101-93)
This invention relates to printing mechanism
hole
, conductor it, magnet 22, wire 23 to neg
and more particularly to printing mechanism
ative source oi? current. In columns having no
controlled by perforated record cards.
key hole, this circuit will, of coursenot be com»
The principal object of- the invention is to pro
pleted. As brush to thereafter sweeps across the
was an improved printing mechanism arranged
remaining segments it, the magnet 20 related to
for printing numerical data at high speed under
a card column will be energized at a di?erential
control, of combinations! perforations in record
cards.
time depending on the location of the hole in that
.
A further object is to provide an improved rec
ord card and coding arrangement for recording
numerical data.
‘
column. For example, with a hole in the l. posi~ '
tion the circuit is completed when brush it con
10 tacts the segment l8 designated 1, s and this clr~
cuit is traceable from positive source, brush it,
the i, 6 segment 58, wire 5?, brush iii, the 1 hole
in the card, conductor i5, magnet 2i to wire 23.
Other objects of the invention will be pointed
out in the iollowing‘idescription and claims and
illustrated in the accompanying drawings, which
disclose, by way of example, the principle of the
invention and the best mode, which has been con
It follows therefore that for holes representing
digits ii, i, 2, 3, and 12-, magnet
is not enerq
gized and magnets 29 are energized at differential
times. For holes representing digits
6, ‘l’, 8,
templated, of applying that principle.
in the drawings;
i is a central section of the improved
is
printing mechanism.
2
26
an enlarged scale detail of the operat—
ing bail mechanism.
energized and magnets
-it
andare
Q, thereafter
magnet
energized at diiifez'entiai times.
The devices contsoiled hy magnets 28 and 22 v
_
is
will
guided
now he
forexplained.
verticai reciprocation
Fig. i, the
and at its
herup=
per end supports two groups of horizontally slid
able types 226 which, with the machine at rest
The record card it of Fig. 1.5 is provided with
5-9 types
two ?elds l 6, each having six horizontal data re~ 25 occupy the position shown. That is
are above the printing line opposite platen 2i
ceiving lines i2, designated fl, 1, 2, 3, 4, and KH.
and the as types are below the printing line.
Vertical lines to, whose spacing may be closer
To select a type as the bar 25 is moved upwardly
than illustrated, designate columnar positions at
and to select a type 5-9 the bar 25 is moved down=
whose intersection with lines 52, rectangular per
'iorations may be made in accordance with the 30 wardly. The presence or absence of a key hole
KH determines for the related type bar in which
digital code shown. in this coding, the digits 0,
direction it shall travel.
‘i, 2, 3, and e are represented by perforations on
Main shaft 28 has secured thereto a pair of
the like identified lines 62, while the digits 5, 6,
complementary earns 29 which oscillate follower
7, 8, and 9 are represented by the holes 0, i, 2, 3,
it and reciprocate a link ti whose upper end is
and 4, respectively, accompanied by a key hole
on line designated KH.
pivoted, to an arm 32. This arm is secured to a
shaft so which through arm ‘at, iinlr 8E and arm
These perforations are sensed by the device
Fig. 3 is a wiring diagram.
Fig. 4i is a fragment of a record card.
diagrammatically shown in Fig. 3 as comprising
horizontal rows of brushes it and vertical con~=
ductors l5 and it. The card ii? is placed between
the conductors and brushes and the perforations
are thereby concurrently sensed by the brushes
‘40
~
as rocks a shaft 3? to which is secured an arm 88.
Arm
is connected by a link at‘ to a bail to and
arm 38 is connected by a link iii to a bail
both
Through
of which this
bails linkage,
are pivoted
whenonlink
a common
Si is elevated,
rod
bails fill and £32 rock in opposite directions about
rod is to the position shown in Fig. 2 and when
the link 3! is lowered the bails return to the po~
sition of Fig. 1.
Each type bar 25 has a link (it pivoted thereto
it making contact with a conductor 65 or it
through a perforation, The brushes it are con
nected by wires ii to segments 58 of a distributor
iii whose rotating brush it is connected to posi
tive source of current.‘ The conductors is are
at 55 and this link is connected to an interposer wired to digit selecting magnets 2| and the con
ductors it are wired to group selecting magnets 50 66 whose right end is pivoted to a bell crank lever
(ll. Interposer so is provided with hooks to and
22. After the card is placed in sensing position,
so whichecooperate, respectively with hooks on
brush it is rotated counterclockwise, and in any
levers 5t and 58 pivoted on rod til. Lever Ell is
card column containing a key hole KI-I a circuit
normally urged in a clockwise direction by a
is completed from positive source, brush 28, seg
spring 52 anchored to a block 53 on arm 32 and
ment :8, designated
. wire llybrush as, key.
lever at is normally urged in a counterclooiswise
2,418,888
>
a
.
direction by a spring 68 anchored to a block ‘55
on arm 38. Thus as the arms 32 and as rock
outwardly the arms Eli and 5! are drawn there
with through springs 52 and 5d.
'
Interposer it is normally ‘hooked in engage;
While there have beenshown and described
and-pointed out the i’undamental novel ieatures
of the invention as applied to a single modi?ca
tion, it will be understood that various omissions
and substitutions and changes in the form and
ment with lever 50 so that it is rocked clockwise ‘
details of thedevice illustrated and in its oper
with lever 5d toelevate type bar 25. Prior to, the
rocking of the parts from the position of Fig. l,
without departing from the spirit of the inven
ation may be made by those skilled in the art
tion. It is the intention, therefore, to be limited
the interposer to may be shifted to the left to
only as indicated by the scope or the following
10
uncouple it from lever 60 and engage it with lever
5! through hook at. such shifting is brought
about by energization of magnet 22 which at-'
tracts its armature as and through rod er rocks a
latch‘ 5i counterclockwise to release bell crank .
lever 5‘? whose ‘spring as will thereupon rock it >
to the broken line position of Fig. 2 and will shift
interposer its to the left.
Then when arm 38
rocks counterclockwise, the interposer at is drawn
claims.
I
g
/
it
.
-What is claimed is:
- 1. In a printing machine, a type bar having
two groups of type elements, one normally above
and the ‘other below a printing line, means for
selectively moving the bar to cause either group
of elements to successively pass the printing posi
tion, ratchet teeth carried by the bar, a pawl
structure and record controlled means for caus- _
by spring 5% and lever 5i inthe same direction
ing said pawl structure to engage said teeth dur
to lower the type bar 25, as indicated by broken 20 ing movement of the bar in either direction to
lines in Fig. 2. Brie?y then, when magnet 22
interrupt said movement and select a type ele
remains deenerglzed the type 25 moves upwardly
ment in-either group, for printing.
from its position-oi Fig. 1 to advance the 4, 3, 2, l,
2. vIn a printing machine, a type bar, a ?rst
and 0 types 25 past the printing position as thev
25 spring actuator forelevating the bar, a second
(Fig.
3)
contacts
the
d,
3,
2,
' distributor brush it
spring actuator for lowering the bar, record con
1, and 0 segments is. If magnet 22 is energized,
trolled means for selectively coupling’ the bar
then the bar 25 moves downwardly from its po-.
to either actuator whereby the bar will be selec
sition of Fig. l to advance the 9, 8, '7, 6, and 5
tively elevated, or lowered through one- of the
the printing position as the dis
‘ types 26 past
spring actuators, a pawl structure adjacent to
tributor brush 29 contacts the same segments It. 30 the bar and engageable therewith‘ to interrupt _
When- bar 25 moves upwardly, teeth 66 pass
' movement of the bar and record controlled means ~
the toe of a pawl Si and when the bar moves
for causing the pawl structure to engage the bar
downwardly, teeth 82 pass the toe of a pawl 63..
at di?erential times during its movement where
The two pawls are articulated at St and are nor
by the bar will be diiierentially positioned during
mally held out of line with the teeth $5, $2 by a
its up or down movement.
spring urged latch 65. When magnet 28 is en3'. In a printing machine, means for sensing _‘
erg'ized, its armature 86, through rod t'i, rocks
a record column in which. digits are recorded by
latch 65 to release pawls 8!, $8 to- stop the bar.
a designation in one of ?ve index point positions
This stopping action is shown in Fig. 2 where
or by such designation accompanied by a desig
pawl 8| is shown as engaging the 2 tooth 66 dur
nation in a key position, a type bar having two
ing the ascent of bar 25. If the bar were de
groups of type elements, one normally positioned
scending at such time pawl as would have en
below a printing line and including elements
gaged the '7 tooth 62 as indicated by broken lines.
representing digits ‘designated by a single desig
In the case of a zero designation‘, no tooth lid is
nation, and the other group normally positioned
provided so the type bar is not interrupted in its 45 above the printing line and including elements
ascent and the'upper end 88 strikes bar 69 to
representing digits represented by two designa
position the zero type 25 in printing position.
tions. means for normally elevating said type bar
Hammer ‘II! is thereafter actuated to take an 1 to move the elements of the ?rst group past the
impression from the positioned types.
50 printing position, means controlled by said sens
,When arm 38 rocks counterclockwise, an ex
ing means upon sensing a designation in the key
tension " carrying a pin 72 extends a spring 13
position for preventing operation of said elevat
to rock a detent ‘I4 against bell crank lever 51 to
ing means and for causing lowering of the type
hold it in normal position or rocked position
bar to move the elements of the second group past
during the actuation of the tyne bar. After the
the printing position, and means controlled by
55
parts are again restored to home position a cam
the sensing means upon sensing a designation in
15 rocks a follower ‘l6 and through link ‘I’! lever
one of said ?ve index point positions for differen
18 rocks a bail 19 to positively return bell crank
tially interrupting movement of the type bar in
41 to its latched position and to return interposer
either direction to select the related type element
46 to the position of Fig. l.
the two groups.
_
Recanitulating. the preliminary sensing of the 60 in 4.eitherof
In a printing machine, means for sensing a
key hole position KH determines. whether the
‘record ‘column in which digits are recorded by a
type bar is to move up or down and interposer
designation in one of ?ve index point positions
45 is accordingly left coupled to ball 50 or un
or by such designation accompanied by a desig
coupled therefrom and coupled to ball 42. There
nation in a-key position, a type bar having two
after the hole positions 4, >3. 2. 1. and 0 are tested
groups of type elements, one normally positioned
in order and in synchronism with the tyne bar
to one side of a printing line and including ele
movement. and unon completion of a circuit to
ments representing digits designated by a single
magnet 2| the bar is appropriately interrupi‘ed
designation, and the other group normally posi
in its ascent or descent to present the selected
tioned to another 0side of the printing line and .
70
tyne for printing. It will be appreciated ~that
including elements representing digits represented
bails 40, 42 have an invariable excursion of ?xed
by two designationsmeans for normally elevat
extent and that when a bar is stopped the inter
ing said type bar to move the elementsof one
poser 48 and lever 50 or 5| stops therewith, with
group past the printing position, meanscon
spring 52 or 54 yielding as arm 32 or 38 completes
75 trolled by said sensing means upon sensing a
its stroke.
'
1
>
2,418,888
7
ttion in the key position for preventing
operation of said eieveting means and for ceus
ing lowering oi'the type her to move the elements
of the second group post the printing position,
one means continued by the sensing means upon
sensing e, designation in one of said ?ve index
including elements representing digits repre
sented by two designations, means for normally
moving said type her in one direction to move
the elements of one group post the printing posi
tion, moons controlled by said sensing means upon
sensing o designation in the key position for
preventing operation of said moving means and
movement of the type her in either direction to
{for coming movement of the type bar in the
select the ireloteil tyne element in either of the
opposite direction to move the elements of the
two groups,
10 second group past the printing position, and
5. in a printing machine, means for sensing
mezms controlled by the sensing means upon
o. record column in which digits ere recorded by
sensing a designation in one of said five index
e, ciesignetion in one of ?ve index point positions
point positions ioi‘ di?erentielly interrupting
01’ by such designation accompanied by e desig
' movement of the type bar in either direction to
netion in e key position, o type her hoving two
select the related type element in either of the
groups of type elements, one normeiiy positioned
two groups.
to one side of e printing lineond including ele
ALBERT V7. MILLS.
' ments representing digits desieneteoi by s, single
designation, one the other group normally posi
tioned to another side of the printing line one!
20
point positions for di?erentieily interrupting
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