An Improved Stylographic Reservoir Pen.
Year: 1889

page_text: Date of Application, 31st Jan., 1889
Complete Specification Left, 29th Oct., 1889-Accepted, 30th Nov., 1889
PROVISIONAL SPECIFICATION.
An Improved Stylographic Reservoir Pen.
I, EDMUND HOLT, of 1, Chester Street, Miles Platting, Newton Heath, in the
County of Lancaster, Watchjobber, do hereby declare the nature of this invention to be
as follows:-
My invention relates to writing pens in which the holder forms a reservoir for the
ink and the ink is transferred to the paper by means of a style or needle, and consists
in an improved arrangement or construction of such pen.
The holder is formed as usual of a hollow tube of vulcanite or other non-corrosive
material, the bottom end of which tube is thickened and tapped with an internal screw
thread or has a similarly tapped ferrule let into it. Into this is screwed another ferrulo
having a conical hollow nozzle fixed to or formed on it. The latter ferrule protrudes
through the other ferrule or thickened part of the tube and has a crossbar at the end
and lateral openings through which the ink can enter the nozzle, or an equivalent pieco
is attached to it. The crossbar is tapped for a small screw, which is drilled and serves
as guide for a spindle. The latter is coned at the bottom end and the cone fits inside
the bottom end or point of the nozzle and forms a valve, the nozzle forming the seating.
The spindle is drilled for its entire length with a fine hole through which a needle or
fine wire passes and is held tightly. The point of the needle is set to protrude slightly
from the nozzle, the other end projecting out of the spindle at the top, so that it can be
pushed down when the point becomes worn off. A collar is formed on or attached to
this spindle, and a helical spring placed upon the spindle between the collar and the
screw that guides the spindle. The pressure of the spring can be adjusted by means of
the
screw, the valve being kept by it on its seat by the spring. When using the pen,
the pressure on the needle point while writing presses the spindle back and allows ink
to flow through the small conical valve whence it passes down the needle point and is
transferred to the paper. As soon as the pen is lifted, the spring closes the valve and
prevents any further outflow of ink.
The top end of the tube forming the holder is closed and a fine tube inserted in the
end, which reaches to about the middle of the length of the holder and admits air.
For filling the tube it is held with the top downwards, the nozzle is screwed off and
ink poured into the holder until it overflows into the internal tube, when the nozzle is
screwed on again. The pen can then be placed into any position and when the point
is protected by a cap the pen can be carried in the pocket without risk of any ink
running out.
Dated this 29th day of January 1889.
COMPLETE SPECIFICATION.
An Improved Stylographic Reservoir Pen.
I, EDMUND HOLT of 1 Chester Street, Miles Platting, Newton Heath in the
County of Lancaster, Watchjobber, do hereby declare the nature of this 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 relates to writing pens in which the holder forms a reservoir for the
ink and the ink is transferred to the paper by means of a style or needle, and consists
in an improved arrangement or construction of such pen.

page_text: On the sheet of drawings appended hereunto fig. 1 shows a section through my
improved pen
Fig. 2 a sectional view shewing the method of joining two pens together.
Fig. 3 a cross section along line X. Y of fig. 1.
All the figures are drawn on a scale larger than full size for the sake of showing the
different parts more distinctly.
The holder is formed as usual of a hollow tube A made of vulcanite or other material
not corrodible by the ink used. The bottom end of the tube A is thickened and tapped
with an internal screw thread as shewn on fig. 1, or has a similarly tapped ferrule let
lightly into it. Into this is screwed another ferrule or tubular piece B having a conical
hollow nozzle C fixed to or formed on it. The piece B protrudes through the screwed
parts of the tube A and the protruding part is formed with an end plate or crossbar D
and partly cut away at the sides, as shewn by figs. 1 and 3, so that the ink can flow
through the openings E into the nozzle C, or a separate piece forming an equivalent
crossbar and having inlet openings may be attached to the ferrule B or screwed into
the tube A. The crossbar or end plate D is tapped for a small screw F which is drilled
up its centre and serves as a guide for a spindle G. The latter is coned at the bottom
end and the cone H fits inside the bottom end or point of the nozzle C and forms a
valve, the nozzle forming the seating. The spindle G is drilled for its entire length
with a fine hole through which a style, needle or fine wire K passes and is held tightly.
The point of the style K is set to protrude slightly from the nozzle, the other end pro-
jecting out of the spindle at the top, so that it can be pushed down when the point
becomes worn off. A collar I is formed on or attached to the spindle G, and a helical
spring L placed upon the spindle between the collar I and the screw F. The pressure
of the spring L can be adjusted by means of this screw F and the valve H is kept on
its seat by the pressure of the spring. When the pen is used, the pressure on the
needle point while writing presses the spindle G back and the ink can flow through
the small opening between the valve H and its seat and down the needle point whence
it is transferred to the paper. As soon as the pen is lifted, the spring closes the valve
and prevents any further outflow of ink.
Instead of forming a small conical valve at the end of the spindle G and a
seating at the point of the nozzle, a valve seating may be formed in the nozzle
further away from the point or in the ferrule B, and a valve fitting said seating
on the spindle.
The top end of the tube A forming the holder is closed by means of a screw
plug M or its equivalent and a fine tube N screwed or inserted into it or formed
on it. This tube N reaches near to the middle of the length of the holder A and
admits air, so that the ink can freely flow out when the pen is used. For filling
the tube A with ink, the tube is held with the top M downwards, the nozzle and
ferrule are B screwed off and ink is poured into the holder A until it overflows
into the internal tube N, after which the nozzle is screwed on again. The holder A
being thus filled to a little less than half its capacity, the pen can be placed into
any position without any ink running out, and when the point is protected by the
cap the pen can be carried in the pocket without risk of any ink running out.
Two such pens may be joined into one in the manner shewn by fig. 2.
and A2 are the holders of the two pens and M¹ and M2 the screw plugs closing
them at the top.
These are prolonged outside and formed with external threads,
upon which a ferrule O is screwed. The ferrule has an air inlet hole P. The
combined penholder thus formed has a style or needle at each end and each end
can contain a different kind of ink.
A¹
Having now particularly described and ascertained the nature of my said inven-
on and in what manner the same is to be performed, I declare that what
aim is,
Firstly, in stylographic reservoir pens the arrangement of a sliding spindle (G)
containing an adjustable needle or style (K) and having formed or fixed on it a

page_text: valve closing the outlet from the reservoir under spring pressure, substantially as
hereinbefore described and illustrated by the drawings.
Secondly, in stylographic reservoir pens an internal air inlet tube (N) substan-
tially as herein before described and illustrated by the drawings and for the purpose
set forth.
Thirdly, the combination of the improvements claimed in the first and second
claim in one pen.
Fourthly, the general arrangement or construction of stylographic reservoir pens
substantially as hereinbefore described and illustrated by the drawings.
Dated this 25th day of October 1889. .
EMMOTT & Co.,
Agents for the Applicant.