Year: 1899

page_text: I, DAVID YOUNG, Chartered Patent Agent, of the Firm of D, Young & Co., 11
and 12, Southampton Buildings, London, W.C., do hereby declare the nature of
this invention and in what manner the same is to be performed, to be particu-
larly described and ascertained in and by the following statement:-
This improvement relates to inkstands of the general class in which the ink
rises to the pen by reason of displacement of the ink in the stand due directly to
the depression of a displacing body, and has for its object to simply and efficiently
provide a means for the regulation of the supply of ink.
The following is a description of the invention, reference being had to the
accompanying drawings, in which
Fig. 1 is a sectional view of a stand embodying this improvement, and
Fig. 2 is a side elevation of the displacing body.
Fig. 3 is a view of the bottom of the displacing body.
In the stand. shown in the drawing, A. is the ink-well, B is a cover fitting the
mouth of the well, making an air-tight joint. This cover has a circular depending
flange F. It also has an orifice closed by a plug C
Within the circular
depending flange F, the inner wall of which is perpendicular, is the displacing
body, which is, in this case, a hollow float 1, or may be described as a floating
dipping cup, which has a cup-shaped recess and a central bore I. The float D
fits the opening within the wall of the flange F. In the upper part of the cover
there is a recess. G to retain any ink that may be forced up between the float D and
the flange F, so as to prevent it from getting to the top of the cover.
The above construction particularly described is substantially old in the art.
In this old stand, as the float D is depressed by the pen, the ink rises to the pen,
and, when the pen is removed, the float rises and the ink disappears.
When, however, by use or evaporation, the level of the ink in the well falls
so that pressure upon the float does not result in sufficient displacement to bring
ink to the pen it is necessary that the plug C be removed by one hand and the
float I raised to the desired height by the other, and that the plug C be then
reinserted while the float is thus clevated. By this means air is admitted above
the ink in the air chamber J and the level of the ink below the float rises suffi-
ciently to make the ink come to the pen when the float is depressed.
It is evident that this manner of admitting air to the chamber is inconvenient
and uncertain, and that the ink is liable to stain the fingers and stand. The
improvement is a means whereby all this manipulation is avoided, and as shown
herein consists in the addition of a small projecting tube T which extends a short
distance below the flat end of the float. This does not affect the normal operation
of the stand so far as concerns the rising of the ink as the pen is pressed upon

page_text: the float. When, however, the ink evaporates or is used up so that it no longer
rises as the float is depressed and it becomes necessary to introduce air into the
air-chamber, this can be done by simply raising the float entirely above the sur-
face of the ink, by the point of the pen or by a finger, and then depressing it.
Upon raising it air flows through the bore I and is retained in the space between
the inner walls of the flange and the tube T. As the float is depressed, this
air is forced below the flange F' and flows to the air-chamber J formed between the
flange and the wall of the well, so that, by this simple operation, air is intro-
duced into the chamber and the same result obtained as by the other cumbersome
method above described. The air is pumped in and the amount introduced varies
as the length of the tube or the number of times the float is raised above the ink
and depressed as described.
Having now particularly described and ascertained the nature of my invention,
and in what manner the same is to be performed, as communicated by me by my
foreign correspondent, I declare that what I claim is:-
a
1. In an ink-stand, an external wall and an internal depending wall forming
closed air chamber substantially as described, in combination with a displacing
body within and fitting said inner wall, carrying the dipping cup, and having a
projection at the bottom of said displacing body completely surrounding the open-
ing of the passage leading to said cup, substantially described.
2. In an ink-stand, an external wall and an internal depending wall forming
a closed air chamber, said internal wall having a circular opening, a float fitting
within said opening, and provided with a cup and passage leading thereto, and a
projection at the bottom of said float surrounding the opening of the passage lead-
ing to the cup and extending below the bottom of the internal wall, when said
float is depressed, substantially as described.
Dated this Sixth day of June 1899
D. YOUNG & Co.,
11 & 12, Southampton Buildings, London, W.C.,
Agents for the Applicant.