Improvements in Typewriting Machines.
Year: 1899

page_text: Date of Application, 13th Nov., 1899-Accepted, 16th Dec., 1899
Improvements in Typewriting Machines.
A communication from abroad by the UNION TYPEWRITER COMPANY, a Corporation
organized under the Laws of the State of New Jersey, and having its prin-
cipal place of business at Jersey City, Hudson County, in the State of
New Jersey, in the United States of America.
I, JOHN CORRY FELL, of the Firm of Fell & James, of No. 1, Queen Victoria
Street, in the City of London, Chartered Patent Agents, do hereby declare the
nature of this said invention and in what manner the same is to be performed
to be particularly described and ascertained in and by the following statement:-
My invention has for its main object to provide a cheap, simple, durable and
effective ball-bearing type-bar, and one in which the bearings may be readily
adjusted when wear occurs, and to these ends my invention consists primarily
in the construction of type-bar and of the hanger or bracket, and in certain com-
binations of devices, all as will be hereinafter more fully described and particu-
larly pointed out in the appended claims.
In the accompanying drawings;-
Figure 1 is a plan view of a type-bar and hanger or bracket provided with
ball-bearings embodying my invention.
Figure 2 is a side elevation of the same.
Figure 3 is an enlarged horizontal section taken through the center of the
hanger and the eye of the type-bar, at the line,, of Figure 4.
Figure 4 is an enlarged side elevation similar to Figure 2.
In the several views the same part will be found designated by the same numeral
of reference.
In
The type-bar is designated by the numeral 1, and at one end thereof is pro-
vided with a socket to receive the type 2. At near the other end, the type-bar
enlarged at 3; and formed with an eye or transverse opening 4, extending clear
through the enlargement or hub 3. The said eye is formed with a ball-bearing
groove 5 interiorly of the hub 3, and extending circularly around the same.
the present instance the ball-bearing surfaces are shown as V-shaped, but the
bearing may be curved, or coned, or of other suitable form. Extending rear-
wardly from the hub is a short arm 6 of the type-bar, to which is attached the
upper end of a connecting rod or link 7; by which the type-bar is vibrated from
the key-lever as usual.
8 designates the hanger or bracket as a whole, and in the present instance is
formed of two separate side members or arms 9, both made alike. These arms or
side members have each an inwardly extending lug 10 and a curved rear exten-
sion 11. Coinciding perforations are made through the side arms and the lugs
for the passage therethrough of a transverse screw 12, by which the two parts
of the hanger are connected together, one part being adapted to receive the
threaded end of the screw and the other part counter-bored to receive the head of
the screw. When the screw is in place the ends of the lugs 10 10 and the curved

page_text: extensions 11 11 abut or bear against one another. But as far as the main
feature of my invention is concerned the hanger may be otherwise constructed.
At near the forward end of each hanger arm or member is formed or provided
on the inner side thereof a conical or tapering boss 13, the said bosses forming
together a V-shaped circular bearing or race to match that within the eye of the
type bar, but oppositely arranged therefrom. Of course, the bearing surfaces on
the cones or bosses instead of being straight or plane as shown, may be.curved
or rounded if desired. Between the bearings formed by the cones or bosses and
the bearing within the eye of the type-bar is arranged a set of anti-friction
balls 14 which contact with said bearings and are adapted to travel in the track-
way formed by said bearings.
The side bars and the bosses are perforated transversely to receive a tie-bolt or
screw 15, one side of the hanger being threaded to receive the threaded end of
the bolt or screw, and the other side counter-bored to receive the head of the screw.
The bosses 13 botli enter the eye in the type bar, but their inner ends do not
meet. The space intervening between the inner ends of the bosses is partially
occupied by a thin sheet metal plate or disc 16, which is formed at its edge at
suitable points with cutaways or notches 17 to form seats or receptacles for the
balls 14. In the present case I have shown three balls only, and hence there are
three notches or cutaways in the plate or disc, made equidistant one from the
other. Of course, if desired, a greater number of balls may be employed; but one
of the purposes of my invention is to reduce to the minimum the number of balls
in the bearing, for the sake of economy and for the reduction of friction. The
said circular plate or disc serves as a separator for the balls and operates to hold
them in fixed relation to one another.
cones
to
the
The adjusting screw 15 passes through the centers of the bosses and the coin-
ciding center of the ball system, as well as through a central perforation 18 in
the disc; and it will be observed therefrom that when in course of time wear takes
place either on the bearings or on the balls or both, this wear may be compen-
sated for very readily by turning the screw inwardly and thereby drawing the
the hanger closer together and nearer
or bearings on
bearings in the type-bar. The cones 01' bearings being comparatively
large an enlarged and stable bearing is provided for the type-bar,
thus insuring greater permanency of alignment. In addition the bearing
or joint as a whole, while having the same advantages as a wide hanger or long-
trunnion type-bar pivot or hinge, is quite thin or narrow, which enables a
greater number of hangers and type-bars to be mounted side-by-side on a given
sized type-ring than with the ordinary trunnion bearing construction, which is
an important feature, as the type bars and hangers of a type-writing machine
must necessarily be arranged within a comparatively small space.
It will be noted that the type-bar is pivoted upon a single circular row of
balls that the type is aligned by reason of the sidewise bearing surfaces of the
type-bar hanger being of enlarged diameter, and that the type-bar swings freely
to and from the platen. By the described construction not only can wear be
readily taken up but the delicate original adjustment required in this class of
machines can be readily secured.
The hanger is constructed in two parts as shown, because of ease and cheapness
of manufacture and facility of assembling. This construction of hanger may be
employed in connection with type-bars devoid of ball-bearings.
Having now particularly described and ascertained the nature of this said
invention and in what manner the same is to be performed, I declare that what
I claim is:-
1. In a typewriting machine, the combination of a type-bar having an eye and
provided interiorly with a ball-bearing groove, a type-bar hanger or bracket
having fixed lateral bosses extending within said eye and forming ball-bearing
surfaces, a set of anti-friction balls, and an adjusting device for said bearings.

page_text: 2. In a typewriting machine, the combination of a type-bar having an eye and
an interior ball-bearing surface, a hanger having side arms provided with oppo-
sitely-arranged fixed tapering bosses extending within said eye, a set of anti-
friction balls, and an adjusting device extending through said bosses.
3. In a typewriting machine, the combination of a type-bar having an eye
formed with an interior-ball-bearing surface, a hanger having side arms provided
each with a fixed tapering boss extending within said eye, a set of anti-friction
balls, and an adjusting screw.
4. In a typewriting machine, the combination of a type-bar having an eye
and an interior ball-bearing surface, a hanger composed of two side arms or mem-
bers secured together between their ends and provided each at its forward end
with a fixed boss constructed to form a ball-bearing surface, a set of anti-friction
balls, and an adjusting device.
5. In a typewriting machine, the combination of a type-bar having an eye and
an interior bearing surface, a type-bar hanger comprising two arms or members 9
9 having lugs 10, 10, a device passing through said lugs and securing said arms
or members together,, a fixed boss constructed to form a ball-bearing surface
arranged at the forward end of each of said arms or members, a set of anti-fric-
tions balls, and an adjusting device.
6. In a typewriting machine, the combination of a type-bar liaving an eye and
an interior ball-bearing surface, a hanger comprising the arms 9 9, the abutting
lugs 10 10, and the end extensions 11 11, the transverse securing device as 12,
the fixed conical bosses as 13, the set of anti-friction balls, and an adjusting
device as 15 passing through said bosses.
and
7. In a typewriting machine, the combination of a type-bar having an eye.
a ball-bearing surface therein, a hanger having fixed bosses extending into said
eye, a set of anti-friction balls between said bearings, a notched disk arranged
between said bosses, and an adjusting device passing through said bosses and
said disk.
8. A hanger for a type-bar consisting of the two side bars, having lugs 10, 10,
curved extensions 11, 11, transverse connection 12, fixed bosses 13, and an ad-
justing screw 15 passing through said bosses.
9. In a typewriting machine, the combination of a banger and a type-bar, one
of which is provided with a pair of cones, and the other of which is provided with
ball-bearing surfaces to co-operate with the cones, means for supporting the
hanger upon the frame of the machine, a screw passing through the cones for
effecting their relative adjustment and for rigidly holding them against separa-
tion during the movement of the type-bar, and bearing balls disposed between
said cones and said ball-bearing surfaces.
10. In a typewriting machine, the combination of a hanger provided with a
pair of cones, a type bar provided with ball-bearing surfaces to co-operate with
the cones, means for supporting the hanger upon the frame of the machine, a
screw arranged upon the hanger and passing through the cones for effecting their
relative adjustment and for rigidly holding them against separation during the
movement of the type-bar, and bearing-balls disposed between said cones and
said ball-bearing surfaces.
11. In a typewriting machine, the combination of a hanger and a type-bar,
one of which is provided with a pair of adjacent cones, and the other of which is
provided with adjacent ball-bearing surfaces to co-operate with the cones, means
for supporting the hanger upon the frame of the machine, a screw passing through
the cones for effecting their relative adjustment and for rigidly holding them
against separation during the movement of the type-bar, and a single row of
bearing balls disposed between said cones and said ball-bearing surfaces.
12. In a typewriting machine, the combination of a hanger provided with a
pair of adjacent cones, a type-bar provided with adjacent ball-bearing surfaces
to co-operate with the cones, means for supporting the hanger upon the frame
of the machine, a screw arranged upon the hanger and passing through the

page_text: cones for effecting their relative adjustment and for rigidly holding them against
separation during the movement of the type-bar, and a single row of bearing
balls disposed between said cones and said ball-bearing surfaces.
13. In a typewriting machine, the combination of a type-bar, a forked hanger,
circularly disposed balls arranged at the hanger for pivotally supporting the bar
and for aligning the type, and a tie-bolt or screw for the forks arranged at the
pivotal axis.
14. In a typewriting machine, the combination of a hanger comprising side
bars or members having conical bearings at their ends, means for securing said
side bars or members together, a type-bar having conical bearings opposite to said
langer learings, circularly disposed anti-friction balls arranged at said bearings
and a tie-bolt or screw for the side bars or members arranged at the pivotal axis.
15. In a typewriting machine, the combination of a hanger comprising side
bars or members having conical bearings at their ends, means for securing said
side liars or members together; a type-bar having conical bearings opposite to
said hanger bearings, circularly disposed anti-friction balls arranged at said
bearings, and as screw arranged at the pivotal axis for adjustably uniting the
side bars or members at that point..
Duted this 18th day of November 1899