An Improved Brush for use as a Substitute for a Drawing Pen.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
An Improved Brush for use as a Substitute for a Drawing Pen.
A communication to me from JOHANN VON PALLICH, of Graz, in the Empire of
Austria, Assistant at the Physikalisch Institut
I, EDMUND EDWARDS, of the Firm of Edwards and Co., Patent Agents and
Engineers, of 65 and 66, Chancery Lane, London, in the County of Middlesex,
do hereby declare the nature of this invention to be as follows:-
This invention relates to an improved brush drawing pen, or an instrument
having a brush by which lines of different thickness but of exactly uniform strength
can be drawn in the same way as lines are drawn with an ordinary drawing pen. It
has for its object a novel method of construction and arrangement by which the
brush is adjustable in such position that the finest or the thickest lines can be
drawn always of exactly uniform strength.
It is evident that by the use of a brush considerably more ink or paint is carried,
and the work done more quickly, than by the ordinary drawing pen, in which a
comparatively small quantity of ink or colour is held.
The improved brush drawing pen consists of an outer case cut away at one side
of its lower end, the blunt point of the part remaining resting upon the paper or
material upon which the lines are to be drawn: In this case fits a brush holder
which is adjustable longitudinally in the case, by means of a screw at the lower
end of the handle of the instrument, provided with a milled head fitted in the
upper part of the case, and screwing into a hollow nut forming part of the
brush holder, so that the latter can be raised or lowered and its position exactly
adjusted.
The lower part of the brush holder (which holds the brush) is connected to the
upper part (in which the nut is formed) by a hinged joint, so that by means of
a small knob upon it it can be turned outward, so as to facilitate its dipping into
a fresh supply of ink or colour when necessary, whilst the upper part as well as
the handle of the pen retain their position in regard to the outer case.
The milled head to the screw upon the handle may be omitted if desired. The
hinge between the two parts of the brush holder may also be omitted, the two parts
being made in one piece.
Or, the upper part of the holder itself may be omitted, the brush with its stick
or quill being adjustable directly in the required position in the outer case.
To use the improved brush drawing pen, the brush is first dipped into the
desired liquid (Indian ink, colour, or the like) and its exact height is regulated by
means of the screw, so that the point of the brush projects for a greater or less
distance, according as thicker or thinner lines are required, beyond the point of
the case, which rests as already described upon the paper or other surface upon
which the lines are to be made, and it is guided by a ruler or straight edge in the
usual way, as when an ordinary drawing pen is used.

page_text: In order to ensure greater accuracy, two or three adjoining supporting guiding
points may be used instead of one.
The improved brush drawing pen may be used for drawing curves and circles,
by fixing it upon the leg of a pair of compasses.
In order to increase the time during which the apparatus can remain in use,
a small receptacle for ink or colour may be arranged inside the brush holder or
on the upper part of the brush, so that the ink or colour is conveyed to the point
of the brush through a part of it which enters the receptacle.
Dated this 17th day of December 1897.
I, EDMUND EDWARDS, of the Firm of Edwards and Co., Chartered Patent Agents
and Engineers, of 65 and 66, Chancery Lane, in the County of Middlesex, 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:-
This invention relates to an improved device the object of which is to allow any-
one to draw curved or straight lines of adjustable shade by means of a brush,
and I attain this object either by raising and lowering a pointed brush, or by
partly putting the brush proper into an inoperative position, so that the shade
of the line to be drawn depends on the remaining operative part of said brush.
In order that the invention be properly understood, I have illustrated some
forms of the same in the accompanying explanatory drawings, wherein:
Fig. 1 is a front view of the improved drawing-pen or brush.
Fig. 2 is a side view of same.
Fig. 3 is a front view of another somewhat modified brush-holder.
Fig. 4 is a side view of same.
The improved drawing-pen consists of a casing e terminating in a blunt end i,
and wherein the brush-holder f is movably mounted; the said brush-holder may
be moved in either direction by actuating a screw the head b¹ of which works
through a suitable slot in the end e' of the casing e, the said screw extending into
The brush-holder is in
the upper end of said brush-holder which acts as a nut.
two parts f and c, pivotally attached at to each other, whereby the brush g may
easily be removed from the casing end i by actuating a suitable screw d, for dipping
it into the ink or colour or for using the device as a pair of compasses; for which
purpose, for the blunt end i will be substituted a suitable point.
The brush-point being placed on a level with the end i, the device allows of
drawing very light lines; whilst by lowering the said brush-point the lines
become larger.
In the modified form of construction shown in Figs. 3 and 4, the brush 6 is
held in the flat portion c¹ of a casing c, and the said brush may be partly turned
aside as shown by means of a movable lever e, terminating in a suitable point fi
the lever end has a tubular internally threaded part, fitted over an externally,
threaded rods journaled in a bearing g, so that by rotating the said threaded
rod, the levere may be moved across the brush b and determine the part of the
brush which is to be put in an operative position; the lever e is held in its

page_text: adjusted position by means of a suitable spring / or otherwise. It will be under-
stood that for actuating the movable lever e, other equivalent arrangements may
be substituted for that shown in the accompanying drawings.
The casing c¹ and the hollow brush stem d may be employed as ink or colour
receptacles, and in the latter case, the said brush-stem has a small opening
normally closed by a rubber ring i fitted over the said brush-stem; by lifting the
said rubber ring by means of a pin k, the said opening allows the ink or colour
within the brush-stem to descend to the brush b.
The end of the casing c has two elastic ends for clasping and thus securing the
brush-stem d in the said casing; the latter is further provided with a suitable
extension m whereby the same may be secured on any ordinary pen-holder q,
and the end c¹ of the said casing is provided with a suitable part n for securing it
on any ordinary compasses (in the place of the pencil-holder or the drawing-pen)
and the said part n terminates in an end a pressing on the article (paper etc.), as
the brush operates to draw a line.
In order to allow of drawing double or multiple lines, one or several flexible
metal points o may be provided suitably secured on the casing and e¹ and capable
of being pressed into the brush b for dividing the same into two or several separate
parts, each of which draws a separate line.
I wish it to be understood that I do not confine myself to the precise arrangement
and construction of the various parts as shown in the accompanying drawings, as
the said parts may be arranged and constructed in various manners without
departing from the scope of my invention.
Having now particularly described and ascertained the nature of the said
invention, and in what manner the same is to be performed, I declare that what
I claim is;
1. A drawing-brush comprising a tubular casing e wherein the brush-holder is
movably mounted, the said brush-holder consisting of two parts hinged or pivotally
attached to each other, substantially as set forth with reference to Figs. 1 & 2.
2. In a drawing-brush as described, the combination with it of a casing having
a blunt or a pointed end' according as the device is to be used as a drawing-pen
or as a pair of compasses, substantially as set forth.
3. A brush-holder for the improved drawing brush comprising a movable lever
adapted to put a part of the brush into an inoperative position, in order to adjust
the breadth of the said brush, a suitable casing having a flat end portion c¹, a
support-plate secured to the said casing end c, a threaded rod s journaled in the
said plate g, the said lever having a suitable internally threaded tubular
end fitted over the said threaded rod to be moved across the brush, and being held
in its adjusted position by a spring or otherwise, substantially as set forth.
4. The combination in a device of the character described, of a lug or projec-
tion m whereby the device may be easily secured on any usual pen-holder, sub-
stantially as described.
5. In a device of the character described, the combination with the improved
brush and brush-holder of one or several flexible rods or points suitably secured to
the said brush-holder, substantially as set forth and for the purpose specified.
Dated this 17th day of October 1898.
EDWARDS AND Co.,
Agents for the Applicant. 65 and 66, Chancery Lane, London.