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Патент USA US3066872

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Dec. 4, 1962
E. ZIMMERMANN
TEN KEY ADDING LISTING MACHINE
Filed Dec. 28, 1959
3,066,862
~
2 Sheets-Sheet 2
IMVENTDR
ERNST Z/MMERNHNN
'8)’
iii/11s.
United States “Patent
ice
Patented Dec. 4, 1982
1
2
3,065,862
FIG. 4 is a diagrammatic vertical section of the ma
TEN KEY ADDING LHSTENG MACHINE
Ernst Zimmermann, Zurich, Switzerland, assignor to Ma
chine Tool Works @erlikon, Administration Qompany,
1Zurich-0erlikon,
Switzerland, :1 company of Switzer
an
Filed Dec. 28, 1959, Ser. No. 862,275
2 Claims. (Cl. 235—6d)
chine with both the single nought key and the double
nought key depressed at the same time.
The pin carriage comprises two plates 23 spaced from
one another between which a stationary guide rail 13
is arranged on which the upper plate rolls by means
of a roller 25. The two plates are provided with sev
eral rows of mutually juxtaposed guide slots 24 for
the set pins and with further guide slots for L-shaped
The invention relates to a ten key adding listing ma 10
Zero set pins 26, 17 and 18, one of the rows of set pins
chine, which in the usual manner is provided with a pin
being associated to each of the zero set pins. A rnov
carriage carrying the set pins and is shiftable relative to
able abutment 5 is arranged in the path of the zero set
the key board, and is provided with two nought keys, one
pins and serves for limiting the path of the pin carriage,
of which serves for the operation of a single set pin, while
when the latter moves in the direction of the arrow A
the other one is designed for Simultaneous operation of 15
under the bias of a spring (not shown) after the de
this set pin and of a second set pin adjacent to this set
pressing of one of the two nought keys 3 and 19. Each
pin in the direction of movement of the pin carriage, and
of the Zero set pins may be depressed in its guide, and
which has also an operating member for a third set pin
then moves into a position in which it is outside the
adjacent to the two aforesaid set pins likewise in the
range of the abutment 5.
direction of movement of the pin carriage.
20
In order to depress the zero set pins 26, 17 and 18
In adding listing machines of this kind it has been usual
three slides 19, 20 and 21 are provided. The end of
hitherto to provide a third nought key for the simultane
the slide 19 lies above the longer leg of the zero set
ous operation of all three set pins. Thereby the enter
pin
26, that of the slide 20 lies over the two longer legs
ing of three consecutively positioned noughts within or at
of the zero set pins 26, 17, and that of the slide 21
the end of a number is facilitated. However, as any in 25 lies over the longer leg of the zero set pin 18. The
crease in the number of keys of a machine involves a
two slides 19 and 20 form angular projections of the
complication of its operation and is particularly unde~
two stems 4 and 9, respectively, carrying the nought
sirable for the touch method, the invention has the ob
keys 3 and lit, while the slide 21 forms part of a lever
ject of allowing the simultaneous adjustment even of
11. The stems 4 and 9 are each guided in a slot of the
three noughts in one step with two nought keys only.
30 upper stationary plate 6 and carry each a guide pin 22,
With this and other objects in view which will be
which engages into a slot of a lower, likewise stationary
come apparent later from this speci?cation and the ac
plate 7 and carry each a compression spring 8. On an
companying drawings, I provide in a ten key adding list
angle piece 15 ?xed to the upper plate 6 a link 12 1s
ing machine having two nought keys, in combination: a
articulated, on which in turn the lever 11 is pivotally
pin carriage capable of being shifted to-and-fro in one
attached. The latter carries a pin 14 projecting into the
direction; a group of set pins mounted in the said pin
plane of the stems 4 and 9, and is pulled by a spring
carriage in a row in the said direction and shiftable
16 towards the upper plate 6. The stem 4 has a projec
transversely of the said direction; a ?rst main slide in
tion
27 pointing towards the pin 14, and likewise the
driving connection with one of the said nought keys
stem 9 has a downward projection 28. Both these pro
and in operative connection with a single one of the said
’ections form in the rest position of the device shown in
set pins; a second main slide in driving connection with
FIG.
1 a V-shaped yoke opening downwardly and reach
the other one of the said nought keys in operative con
ing
over
the pin 14 with clearance. The springs 8 bias
nection with both the said single set pin and another
the stems 4 and 9 upward until they abut stops 29 on the
single set pin arranged adjacent the said ?rst single set
plate 6 from below. in order to facilitate the simul~
pin; an auxiliary slide in operative connection with a 45 taneous actuating of both keys 3, 10 their adjacent
third set pin, the said other set pin lying between the
?anks 30 are positioned at an angle to the plane of the
said ?rst set pin and the said third set pin; movable
stems 4, 9.
holder means for the said auxiliary slide, the said holder
The abutment 5 is formed ‘by the end of a lever 31
means keeping the said auxiliary slide normally in a rest
pivotally mounted on the plate 7 behind the guide pin 22
position and permitting an idle movement of the said 50 and subject to the bias of a tension spring 36, on which
auxiliary slide in the said direction as well as a work
lever a cam 32 is attached. The face sloping backward
ing movement of the said auxiliary slide transversely
in FIG. 1 of this cam is arranged opposite a pin 33
of the said direction; and actuating means for the said
carrying a lever 34-, which is pivotally attached at its
auxiliary slide provided on the said main slides, the said
rear end (FIG. 1) by means of a holder 35 ?xed to the
actuating means effecting the said idle movement of the 55 plate 7, and is passed under the angular portions of the
said auxiliary slide upon actuation of a single one of
slides 19, 2t} and 21. This lever is in driving connection,
the said nought keys, and effecting the said working
in a manner not shown in detail, with the set pins guided
movement of the said auxiliary slide upon simultaneous
in the slots 24’.
actuation of both the said two nought keys.
The manner of functioning of the adding listing ma
These and other features of my said invention will 60 chine described will now be described. By depressing
be clearly understood from the following description
one of the number keys (not shown) the set pin located
of a preferred embodiment thereof given by way of ex
under it and guided in one of the slots 24 as well as the
ample with reference to the accompanying drawings, in
lever 34- are depressed, the pin 33 abutting the cam 32
which:
and forcing the same forward, while turning the lever
FIG. 1 is a perspective front view of part of an add 65 31. In the swung~out position of this lever the abut
ing listing machine in the rest position;
ment 5 lies outside the range of the zero set pins 26, 17,
FIG. 2 is a diagrammatic vertical section of the ma
18 so that the carriage moves one step in the direction
chine with the single nought key depressed and the
of the arrow A under the bias of the spring above-men
double nought key omitted;
tioned, not shown. After releasing the number key serv
FIG. 3 is a diagrammatic vertical section of the ma 70 ing for moving the set pin the lever 31 is swung back
chine with the double nought key depressed and the
by the bias of the spring 36 into a position, in which the
single nought key omitted, and
abutment 5 engages between the zero set pins 26 and 17.
arr-cases
A
At the same time the lever 31% is swung upward by the
cam 32.
The adjustment of a further number effects in
a like manner the shifting of the carriage another step;
after said step the abutment 5' comes again to he be
tewen the two. Zero set pins 17 and it}.
In this manner
numbers composed of several digits may be adjusted.
When between any two digits of a number or at the
ing a front face, a pair of main actuating members for
said pins displaceable in said adjustable direction, each
of said members having a terminal face, said terminal
face of a ?rst member being opposed in each of said
work positions to said front face of one of said pins,
whereby a displacement of said ?rst main actuating mem
ber displaces said last~mentioned pin in said direction of
adjustment, the terminal face of the second of said mem
end thereof a nought occurs, the nought key 3 is de
bers being further opposed in each of said work positions
pressed. Then the stem 15‘, as shown in
2, pushes
to the front face of said single pin as well as to that of
10
the zero set pin lying under it downwards and at the
a second
in an adjacent position whereby a displace
same time turns the lever 3d, whereby the abutment 5
ment of said second main actuating member displaces
gets in the mannc ' described out of the range of the Zero
simultaneously the two last-mentioned pins in the direc
set pins. Together with the stem 4. also the projection
tion of adjustment, a third actuating member for said
27 moves downwards. it thereby hits the pin 34 and
pins, having a terminal face opposed in each of said
moves the same slightly to the right, putting the link 12
work positions to the front face of a third pin adjacent
into an oblique position. This idle movement is how
said second pin, guiding means engaging said third actu
ever without effect on the Zero set pins of the carriage.
ating member to impart to the terminal face of said third
The latter then moves in the direction of the arrow A
actuating member a displaceability in said ?rst direction
under the action of the spring bias, until the Zero set
as well as in said direction of adjustment, drive means
pin adjacent the depressed zero set pin in the direction op
connecting each of said main actuating members with
posite the arrow A abuts the stem
Upon subsequently
said third actuating member, said last named drive means
eleasing the nought key 3 the latter moves together with
comprising cams and followers resiliently urged against
the stem 19 upward under the bias of the spring 3, and
said cams, whereby actuation of one of said main actuat
thereby releases the carriage for the termination of the
ing members displaces the terminal face of said third
step initiated. At the same time the lever 31 is swung 25 actuating member in said ?rst direction, and whereby
back to the starting position by the spring 36. The said
simultaneous actuation displaces the terminal face of said
zero set pin aojucent to the depressed zero set pin comes
third actuating member in said direction of adjustment.
into contact with the abutment 5 when the carriage is
2. A calculating machine comprising a pin carriage
shifted, and thereby prevents any further movement of
30 displaceable in a ?rst direction, drive means for displac
the carriage.
When in the number to be adjusted or at the end there
ing said pin carriage to different work positions, said drive
means comprising a series of pins mounted on said pin
of two consecutive noughts occur, the key
marked
carriage spaced uniformly from one another in said
with two noughts is depressed as shown in PEG. 3. The
?rst direction and adjustably displaceable in a direction
slide 2% connected to the stem 9 thereby depresses simul
transverse to said ?rst direction, each of said pins having
taneously two adjacent Zero set pins and the lever 34, 35 a front face, a pair of main actuating members for said
while the projection 28 pushes the pin 14 and accord
pins displaceable in said adjustable direction, each of
ingly the lever 11 slightly to the left. As already de
said members having a terminal face, said terminal
scribed hereinabove, the carriage moves to the left.
face of a ?rst member being opposed in each of said work
Since, however two Zero set pins have been depressed
40 positions to said front face of one of said pins, whereby
simultaneously this movement covers two steps.
a displacement of said ?rst main actuating member dis
When in the number to be adjusted three consecutive
places said last-mentioned pin in said direction of ad
noughts occur, the two nought keys 3 and 10 are de
justment, the terminal face of the second of said mem
pressed simultaneously. This entails the shifting of the
bers being further opposed in each of said work posi
slides ll‘), iii, and the turning of the levers 31, 34- in the
tions to the front face of said single pin as well as to
manner described. Since now 'both projections 27, 23
that of a second pin in an adjacent position whereby
engage the pin lid simultaneously, this pin, and with it
a displacement of said second main actuating member
also the lever ll, are moved downward against the bias
displaces simultaneously the two last-mentioned pins in
of the spring 16. its slide 21 comes in this working
the direction of adjustment, each of said main actuating
movement to rest on a zero set pin 18 which in FIG. 4
members having one control face inclined to said ?rst
lies immediately adjacent the zero set pin 17 depressed
direction and to said direction of adjustment, said con
by the slide 2%. Since now three consecutive zero set
trol faces of said two main actuating members being
pins have been depressed simultaneously the carriage
opposed to one another, a third actuating member for
moves three steps when both nought keys are released.
said pins having a terminal face opposed in each of
While ‘i have described herein and illustrated in the
said work positions to the front face of a third pin
accompanying drawings what may be considered a typi
adjacent said second pin, said third actuating member
cal and particularly useful embodiment of my said in
comprising a follower ?xed to said third actuating mem
vention i wish it to be understood that I do not limit
ber and resiliently engaging said two control faces, and
myself to the particular details and dimensions described
movable guiding means for said third actuating member,
and illustrated; for obvious modi?cations will occur to a 60 said third actuating member being pivotally mounted
person skilled in the art.
on said guiding means thereby imparting to the terminal
What I claim as my invention and desire to secure by
face of said third actuating member a displaceability
Letters Patent is:
in said ?rst direction and in said direction of adjust
l. A calculating machine comprising a pin carriage
ment.
displaceable in a ?rst direction, drive means for displac
ing said pin carriage to different work positions, said
drive means comprising a series of pins mounted on said
pin carriage spaced uniformly from one another in said
?rst direction and adjustably displaceable in a direction
transverse to said ?rst direction, each of said pins hav
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,042,909
Satukangas ___________ __ June 2, 1936
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