Improvements in or applicable to Ink-holders.
Year: 1890

page_text: Date of Application, 26th Nov., 1890-Accepted, 24th Jan., 1891
COMPLETE SPECIFICATION.
Improvements in or applicable to Ink-holders.
I, UWE ESMARCH, Manufacturer, of Katharinen Kanal 77, St. Petersburg, in the
Empire of Russia, do hereby declare the nature of the said invention and in what
manner the same is to be performed to be particularly described and ascertained in
and by the following statement :-
In accordance with the present improvements a thick cushion of pure indiarubber,
vulcanized at a high temperature in order to render it of sufficient elasticity, is
securely or adjustably adapted to the bottom of the inkholder below the surface of
the ink, so that when the writer, in dipping the pen into the ink, presses on the
cushion, the point of the pen will indent the rubber without perforating it, and
through the rubbing contact with the rubber any dust, mould, particles of paper and
like bodies which cause the point of the pen to become clotted, are or may be removed,
this being more thoroughly done accordingly as the point of the pen is pressed harder
on the cushion.
Fig. 1, represents the application of an attached or secured cushion by which the
depth of the ink over the cushion into which the pen dips before coming into contact
with the cushion, can only be regulated by the amount of ink poured into the holder.
The rubber cushion A, is preferably of circular sectional formation (vide also Fig. 22)
and is pressed into the cylindrical projection C, which is formed on the bottom of the
ink-holder B, which is adapted over the cushion with a funnel D, into which the pen
is dipped.
Figs. 2 to 8 show another application of an attached or secured rubber cushion, by
which the depth of the ink at the place where the pen is dipped can be regulated by
turning the lid of the inkholder. To this end there is secured to the bottom of the
iukholder B, centrally thereof, a ring-shaped rubber cushion A, the upper surface of
which is formed as a helically disposed inclined plane (vide Fig. 7). The movement
of the cover C, is, by the ribs a, and projections b, (respectively forming part of or
attachments to the inkholder and its cover,) limited to (say) of a full revolution
(vide Fig. 3). The opening of the funnel D, is so formed relatively to the axis of
the cover as that when the latter is turned about its axis, the said funnel opening will
travel over the upper inclined surface of the cushion. According to the direction in
which the cover is turned, the pen, when dipped through the funnel, will be permitted
to come into contact with either a high or low part of the inclined upper surface of
the cushion, and consequently the pen will dip into a greater or lesser depth of ink,
which may be indicated by signs such as
+ and
(vide Fig. 4) marked on
the cover.
-
In order to permit of the ready cleansing of the upper surface of the cushion from
any settlement, a scraper (vide Figs. 9 and 11) may be used, consisting of a thin plate
of rubber E, to one end of which is secured a spindle E', which is or may be entered
into a hole c, in the centre of the cushion; when, upon the scraper being turned
to-and-fro, its bottom edge is caused to scrape over and cleanse the upper surface of
the cushion (vide Figs. 10 & 12).
Figs. 13 to 22 represent the application of a removable rubber cushion. The
cushion A, is made fast in the centre of a carrier B, which is provided with a
cylindrical part (, which depends into a cylindrical part rising from the bottom of
the inkholder D, the ends of the carrier resting on helical plinths E, formed on the
inner side of the inkholder. The cover F, is provided with a funnel G, concentric
with the axis of the inkholder, and with a projection H, which fits between two
lugs K, formed on one of the arms of the carrier B, so that in turning the cover, the
arms, which rest on the helical plinths E, are caused to rotate with it, and according
to the direction in which the cover is turned, the carrier B, together with the cushion
[Price 6d 1

page_text: it supports, is raised or lowered and so the depth to which the pen may be dipped
may be regulated. The plinths E, are also formed with projections J, for the
purpose of limiting the extent of the movements of the cover to (say) about of a
revolution.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what 1
claim is :-
1. The hereinbefore described improvements applicable to inkholders, consisting
essentially of an attached or adjustable rubber cushion adapted to the inkholder below
the surface of the ink, substantially as hereinbefore described, and serving for the
purpose of keeping the point of the pen clean, and, if required, of regulating the
depth of ink into which the pen can be dipped.
2. The helically formed rubber cushion as represented in Fig. 7, and its application
to the purpose of the invention.
3. The arrangement represented in Fig. 14, in which the rubber cushion is carried
by a cross-bar or carrier which is turned with and by turning the cover, and thereby,
according to the direction of the turning, is either raised or lowered by reason of its
ends resting on a helically disposed surface.
Dated this 22nd day of November 1890.
DAY, DAVIES & HUNT,
321, High Holborn, London, W.C., Agents for the Applicant.