close

Вход

Забыли?

вход по аккаунту

?

код для вставки
Oct. 15, 1946.
J. LE R. BANKS
2,409,237
TOY TYPEWRITER
mm May 2. 1945
2 Sheets-Sheet 1
61
'1} 10 21';
1'1' 4'0 42 41152 63 3mm:
an
Oct. 15, 1946.
J_ LE; ‘R, BANKS
'
‘
_ 2,409,237“
TOY TYPEWRITER
Filed Maya, 1945
.
0'2‘
I.
O
6
‘ '2 Sheets-Sheet 2
--
'
r
I
‘
I
,46 4g 40
'
-
_'‘___'F _ _ _ _ _ _______—-,_—.___/‘___ _"\_-'_“‘\_______‘1
‘2825 29
"W],/ MQ”
' %z
arm/Ml?"
'
Patented Oct. 15, 1946
2,409,237
UNITED STATES PATENT OFFICEv
2,409,237
TOY TYPEWRITER
Joseph Le Roy Banks, Baltimore, Md., assignor
to Joseph L. Schilling, John C. Doig, and Irving
G. Rubin, doing business as J. L. Schilling Co.
Substituted for abandoned application Serial No.
34,085, July 31, 1935. This application May 2,
1945, Serial No. 591,443
I
9 Claims. (Cl. 197-47)
l.
2
The invention relates to a toy typewriter cap
able of being manufactured at a low cost, of
durable construction, and of easy operation.
The invention is shown in the accompanying
drawings in which
I
Figure 1 is a plan view of the typewriter.
Fig. 2 is a vertical central section from front
to rear of the machine.
' Fig. 3 is a plan view of the slidable carriage
,
riage has a top Sand depending sides 9, at front,
rear and laterally.
The lateral sides as shown
in Fig. 4 have laterally extending foot portions
ID, see also Fig‘. 8, which are adapted to slide in
ways formed by striking up tongues II, from a
sheet metal base plate 12 so as to overlie the said
foot portions, and thus guide the type wheel
carriage in its movement towards and from the
platen I3, which holds the paper to be printed
for the type wheel and a pawl and rack means 10 upon, this paper being indicated at 1L‘, Fig- 2
for operating the paper carriage.
There is a post l4 extending up from the type
Fig. 4 is a front view of Fig, 3.
wheel carriage ‘I through anreyelet 15, said post
Fig. 5 is a view of the platen and paper car-
having head on its lower end engaging the eye
riage.
let. The upper ?ange of this eyelet overlies the
Fig. 6 is a plan view of a part of the paper 15 type wheel or disc and holds it down to its work.
This eyelet also clamps the spring arm of the
carriage in section, with the rack and pawl for
operating the same step by step.
detent 6 in place. Turnable about the postthere
Fig. 7 is a side View of a detent wheel and de- _
tent for determining line spacing of the platen.
Fig. 8 is a view looking from the rear showing
the slidable type wheel carriage, the inking rib
bon with its guide, shield, and operating means
mounted on said carriage to move therewith in
one body.
Y
is a ?nger button l6, which has a ?ange or base
portion I‘! having notches receiving ?ngers l8
struck up from the type wheel or disc and ex
tending up through an index disc [9 also made
of stamped sheet metal. This disc on its upper
surface carries a series of characters, as letters,
numbers, punctuation marks and a mark or word
indicating “space,” said characters correspond
Fig. 9 is a view of the ribbon shield, guide and
support in the form in which it is stamped out
ing to the type on the face of the type wheel
strip, and corresponding also with the radial
of sheet metal before being bent to shape.
Fig. 10 is a top plan view of the type wheel
position of said type. When, therefore, the?nger
and associated parts.
button 16 is turned to bring the desired type
Fig. 11 is a face view of part of the type carrier 30 member to the point P in Fig. 1 at the radial
and strip.
center line from front to back of the machine,
said type member will be in proper position to
Fig. 12 is a detail of a modi?ed means of op
erating the paper carriage.
do the printing. The impression of this type
character upon the paper will take place by mov
The type wheel I is composed of a sheet metal
disc‘ capable of being formed by dies and having
a depending ?ange 2 to which a type strip 3 is
attached by its ends 4, Fig. 10, passing through
ing the type wheel carriage rearwardly, in its
sliding guide ways II, and ‘this movement can
be performed by the operator pressing upon a
?nger lever 20 pivotally mounted at 2| in a
suitable sheet metal bracket 22 ?xed to the base
may be made of thin material carrying the type 40 I2 of the machine by foot portions passing
through slots in the base and bent against the
5 which may be embossed in the strip or other
underside of the base plate. This lever is stamped
wise formed and applied thereto. This type strip
out of sheet metal with pintles or pivots integral
rests upon a lip 2a at the lower edge of the ?ange
2. The type Wheel or disc is also provided with a
therewith to bear in openings in the bracket.
series of recesses or sockets la shaped by bending 45 The ?nger lever has a depending arm 20a worke
ing against a cam section or abutment 9a pressed
the sheet metal of the type wheel arranged in a
circle adapted to be engaged by a spring detent 6
out of the wall of the type wheel carrier, so that
by which the type wheel when turned will be
when the ?nger lever is depressed the type wheel
arrested and centered when the desired type
carriage will be moved rearwardly to make the
member has been brought to the printing point,
type lying at the point P impress the character
as will be hereinafter referred to. The spring
upon the paper. The abutment 9a. which is
arm of this detent is clamped in place against
stamped or pressed from the sheet metal of the
the under side of the type wheel carrier 1 which
type wheel carrier adds strength to the front
also is made of comparatively thin sheet metal
wall of said carrier so that it will resist distortion
which may be stamped up into shape. This car 65 resulting from the pressure of the ?nger lever.
an opening in the said ?ange and being bent
into substantially hook form.
This type strip
2,409,237
3
The carrier may be made of thin sheet metal,
this being true of most parts of the machine.
Springs 23 return the type wheel carriage to
normal position away from the platen of the
4
The type are of zinc pressed from a strip of said
material. The shield may be constructed to
yield adjacent the opening where the type posi
tioned for printing is located, so that contact of
adjacent type with said shield will not result
in damage. Contributing to this yielding effect is
the soft rubber covering of the platen.
plying power to make the impression I prefer
The shield opening may be of such size as to
to use the ?nger lever 20 as just described, but 7
permit only one type to pass through it to the
I do not limit myself to this. The ?nger button
l6 after having been turned to bring the desired 10 platen. The platen is mounted to turn in bear
ings of a frame or carriage made up of upstand
type character to the position opposite the print
ing end members 38 connected at their lower ends
ing point on the platen may be used to make the
by the plate portion 39 stiffened by a ?ange 40,
impression in which action the operator would
Fig. 2, bent up from said plate 39. There is a
simply exert pressure on the ?nger button rear
depending skirt portion 4| at the forward edge of
wardly to slide the type carrier. The use of the
the plate 39, and this skirt portion or ?ange has
?nger lever 20 is preferred because it not only
a horizontal foot portion or ?ange 42 engaged
simulates to some degree the ordinary action
by an overlying guide ?ange or ?anges 43 struck
in making an impression by striking or pressing
up from the sheet metal of the base l2.
a key lever in the ordinary standard machine,
This platen carriage is also guided and sup
but also the power applied by the ?nger to this
ported in proper position by a plate 44 formed
?nger lever is transmitted to or near the base
of sheet metal corrugated lengthwise at 45, and.
portion of the carrier where it is guided by the
having a lip or ?ange 4S overlying the ?ange 40
foot portions thereof and the guide ?anges ||.
of the platen carrier frame. The corrugated
The springs 23 are arranged close to the points
plate or bar 44 may be ?xed to the main base l2
where the carrier is guided by its foot portions
by solder or otherwise.
l0 and they exert their pull in lines parallel with
The platen carrier frame is stamped and bent
the direction of a motion of the carrier. One
from sheet metal. Its front skirt portion 4| is
spring being at each side a balanced action is
provided with rack teeth 41 which are impressed
secured.
therein or struck up therefrom by a stamping
The inking ribbon 25 is mounted to move
action. The teeth are to be engaged by a feed
bodily with the type wheel or disc and its car
pawl 48, which is pivotally mounted at 49, Figs.
riage, so that when the latter is in its normal
1 and 3, in a bracket 50 on the rear face of the
forward position, by reason of the springs 23
carrier for the type wheel. This pawl is under
having returned said carriage to its forward posi
tension of a spring 5| tending to hold the pawl
tion, the printing point on the platen and the
with its end in the relation to the rack of the
matter printed on the paper will be exposed, thus
platen carrier as shown in Fig. 1, the tail portion
giving to the machine the character of one
48a of this pawl acting as a stop. When the type
performing visible writing.
wheel carrier is moved rearwardly for making
The ribbon is carried by spools 26 whose shafts
are vertically disposed and journalled in brackets 40 the impression on the paper, the pawl 48 will
partake of this rearward movement and it will
21 of a frame of sheet metal, which also pro
engage a tooth of the rack bar 41 and as the
vides a shield 28 to prevent the ribbon from
rearward movement continues, the pawl 48 will
smudging the paper. This shield has an open
tend to assume a position nearer parallel with
ing 29 which exposes the ribbon at the printing
the rack, withv the result that the rack, together
point. It also has arms 39 provided with openings
with the paper carriage, will be moved leftward‘
3| to receive rivets or other fastening devices 32.
one step, and this action will be repeated when
which secure the entire ribbon support to the
ever the type wheel carriage is moved rearward
carriage. This frame is stamped out of sheet
to make an impression. The platen frame by
metal, one of the bracket portions or ears 21
reason of its frictional engagement in its guide
being stamped out of the body of the metal with
ways and by reason of the additional frictional
a bearing opening 27a for the journal of the rib
resistance derived by a leaf spring 52, Fig. 2,
bon spool and the other bracket portion or ear 2‘!
attached to one of said parts, platen carrier, or
being stamped from the edge portion of the
its supporting frame work, and bearing on the
metal. The blank form of Fig. 9 is bent on the
paper carriage when pressure of the ?nger on
lever 20 is withdrawn. In this operation of ap
line 33, so as to provide a horizontal ?ange on
. other, will remain in the position to which it
the shield plate at the upper edge thereof, as at
34, which overlies the upper edge of the ribbon
is necessary, and no spring is employed to move
has been moved by the pawl 48. No escapement'
and guides it against upward displacement.
the platen carriage along its guide way. Other
There is also a ?ange 34a struck out from the
sheet metal which when bent into horizontal
forms of platen operating means may be em
ployed such as that shown in Fig. 12.
This involves a toothed wheel I52, engaging a
rack 53 in the form of a perforated plate on the
position guides the lower edge of the ribbon.
This ?ange portion 34a is struck out from the
sheet along the lines a, b, c, d. It is bent along
the line e into horizontal position. In striking
out this portion for making the ?ange 34a, the
portion 30 is made at the same time, this portion
when split furnishing the arms for attaching the
shield to the type wheel carrier.
The vertically extending shafts of the ribbon
spools are provided with ?nger pieces 35 at their
upper ends which are thus readily accessible for
operation by the child, in bringing a fresh part
of the ribbon to the printing point.
The platen is composed of a comparatively soft
rubber sleeve 38 mounted on a wooden core 31.
platen carrier. The toothed wheel is operated
by a two armed pallet 54 having two toothed ends
55 and 55, to control the operation. This pallet
is pivoted intermediate its length at 51. It is
under tension of a spring 58 tending to keep its
detent tooth. 56 in engagement with the toothed
wheel. This pallet is operated by a projection 59
on the rear wallof the type wheel carrier en
gaging a pin 60 on the pallet.
At 5! is shown a guide for the insertion of the
paper. Small rubber members 62 hold the paper
against the platen. These are supported by a
rod 63 which tie the carriage frame parts 38
5
2,409,237
6
together. Most of the parts are made of stamp
ings, and most of the connections are made by
parts stamped out of one part and bent into con
nection with another part, which contributes to
of said plate.
mass production at low cost.
The carrier for the type wheel is in the form
of a shell rectangular or substantially square in
3. A typewriter comprising a type wheel, a car
rier therefor having a horizontal top plate on
which said type wheel is mounted to turn about
sheet metal plate and one of the ?anges is
stamped out from the body of the plate, the latter
leaving portions for providing the attaching arms
horizontal cross section, thus providing front and
a vertical axis, said carrier being substantially
rear depending walls parallel with each other,
rectangular in horizontal cross section, a platen
and also side walls which are parallel with each 10 towards and from which the carrier with its type
other. This form of carrier lends itself to proper
wheel is guided, a ribbon extending across the
guidance because the lower edges of its side walls
rear face of the type wheel, a supporting frame
are straight and are adapted to move in straight
for said ribbon having arms extending forwardly
lines backward and forward. The ?at sides lend
intermediate of its length and attached to the
themselves to the ready assembly of the spiral 15 side of the carrier, said ribbon supporting frame
springs 23 with their axes parallel with the line
having ribbon spool bearings thereon out beyond
of movement of the carrier.
the points where said arms are located.
These ?at sides also lend themselves to the
4. A typewriter comprising a platen, a type
employment of the arms 30 for supporting the‘
wheel of sheet metal rotating in a horizontal
ribbon and its spools and shield plate because
plane, a carrier for the type wheel having a top
these arms can ?nd bearings against the ?at
plate above which the type wheel is mounted,
parallel sides of the carrier. The rear ?at wall
said type wheel having detent receiving recesses
of the carrier furnishes a convenient support for
stamped therein, a spring detent mounted on the
the pawl or the operating means therefor. and
under side of the top plate of said carrier, a post
the ?at wall of the front of the carrier aifords
extending up from the top plate of the carrier
material from which the cam or abutment 9a of
about which the type wheel turns, a ?nger button
the carrier may be upset.
turnable about said post, said type wheel having a
A guard 65, supported from the
i2 by
projection struck up therefrom engaging a part
tongues 66 interlocking with slots or openings in
of the ?nger button by which the type wheel may
said base may extend around the major portion 30 be turned.
of the type wheel to protect the type Carrying
5. A typewriter having a type wheel, a carrier
strip.
having a top plate, a ?anged eyelet pivotally con
The platen may be turned by a ?nger wheel 54.
necting the type wheel with the carrier top, a
It will be noted that while I have provided a
post extending through the eyelet, a ?nger button
typewriter as a toy for the amusement of the
turnable on the post and a projection extending
operator, the invention has not only an education
from the type wheel and engaging the ?nger
value in the sense that a child will get practice
button.
in forming words and sentences, but training in
6. A typewriter according to claim 5 in which
skillful manipulation of apparatus will be a result
the eyelet holds in place a detent for the type
of its use, the toy being one that calls for some 40 wheel on the under side of said top plate, said
degree of precision in its proper use.
For spacing the paper carriage along without
detent extending through the top plate to engage
the type wheel.
printing there is a wide space in the circle of
7. A typewriter comprising a type wheel, a
characters marked “space” in Fig. 1. By turn
carrier therefor having a top plate, a post ex
ing the type wheel to bring this “space” to the i.) tending up from the top plate, a ?nger button
printing point any number of spacing actions may
.turnable on said post, said type plate having de
be effected without printing.
tent receiving recesses stamped therein, and hav
As shown in Figs. 1, 5, and 7a, spacing wheel
ing a projection stamped therefrom and engag
[35c and a detent i311 are employed at the left
ing
a part of the ?nger button to be turned there
hand end of the paper carriage for spacing the 50
by,
and
an index plate above the type wheel car
rotary movements of the platen I3.
rying characters corresponding to the type on
This is a re-?led application of my previous
said type wheel, said struck-up projection pass
application, Serial Number 34,085, ?led July 31,
ing
through the said index plate.
1935.
8. A typewriter comprising a type wheel struck
I claim:
up from sheet metal with a downwardly extend
1. A typewriter comprising a. platen, a type
ing peripheral ?ange terminating in a horizon
wheel, a carrier for the type wheel to move it
tally
extending lip, a type strip carrying the type,
towards and from the platen, an inking ribbon,
supported by said lip by resting on edge thereon
ribbon spools, and a member for mounting the
said ribbon and its spools on said carrier and for 60 and the outer face of said ?ange, said strip hav
ing its ends turned into hook form and passing
guiding the said ribbon comprising a sheet metal
through the ?ange.
stamping having an opening for access of the
9. A typewriter comprising a type wheel, a car
type to the printing point, arms on opposite sides
rier therefor composed of sheet metal having a
of the line of movement of the carrier for attach
top to which the type wheel is journaled, said
ment to the sides of said carrier, ears extending
carrier being of substantially rectangular form
horizontally from the plate having bearing open
in horizontal cross section and provided at its
ings for the vertical journals of the ribbon spools,
and ?anges extending forwardly and horizontally
front wall with a pressed out abutment or cam
from the upper and lower edges of said sheet
metal stamping for guiding the ribbon.
2. A typewriter according to claim 1 in which
one of the ears is stamped from the body of the
along said abutment.
portion, and a ?nger lever pivotally supported
and having a tail portion extending downwardly
JOSEPH LE ROY BANKS.
Документ
Категория
Без категории
Просмотров
0
Размер файла
658 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа