Improvements in Pencils.
Year: 1899

page_text: PROVISIONAL SPECIFICATION.
Improvements in Pencils.
I, ROBERT RALSTON RAKESTRAW, of 14, Kyverdale Road, Stoke Newington,
in the County of London, Engineer, do hereby declare the nature of this inven-
tion to be as follows:-
In the Specification of Letters Patent No. 173 of 1892, a pencil is described
in which the marking lead or crayon is enclosed in a roll composed of a sheet
of flexible material bearing weakened lines arranged diagonally to the axis of
the roll, along which lines the sheet may be separated section by section for the
purpose of renewing the point.
Heretofore pencils of this kind or class have been made with a single lead or
crayon extending throughout the whole length of the pencil, and of substan-
tially uniform diameter or thickness from end to end.
According to my present invention, I use in lieu of a single lead or crayon, a
number of sharpened pieces of lead or crayon placed in line and so arranged in
relation to the lines of weakness or to the sections of the covering roll that the
large end of each piece is secured or held in one section of covering roll by
any suitable adhesive material, and the point extends into the next adjacent
section. With a pencil so constructed, as each section of covering is removed
a new sharpened point appears.
According to a modification of my invention, instead of using separate
sharpened pieces of lead or crayon, I employ a single lead extending throughout
the whole length of the pencil as heretofore but having at intervals its diameter
diminished to form conical segments which are however not entirely separated.
In this construction, when the covering roll is removed to expose a new point,
the lead or crayon is broken at its weakest part and a new sharpened point is
exposed.
1000
Improvements in Pencils.
I, ROBERT RALSTON RAKESTRAW, of 14, Kyverdale Road, Stoke Newington,
in the County of London, 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:-
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page_text: in which the marking lead or crayon is enclosed in a roll formed from a sheet
of flexible material bearing weakened lines arranged diagonally to the axis of
the roll, along which lines the roll may be separated section by section for the
purpose of renewing the point.
Heretofore pencils of this kind or class have been made with a single lead or
crayon extending throughout the whole length of the pencil, and of substan-
tially uniform diameter or thickness from end to end.
According to the present invention, I use in lieu of a single lead or crayon, a
number of sharpened pieces of lead or crayon placed in line and so arranged in
relation to the lines of weakness or to the sections of the covering roll that the
large end of each piece is secured or held in one section of the covering roll by
any suitable adhesive material, and the point extends into the next adjacent
section. In a pencil so constructed, as each section of covering is removed
a new sharpened point appears.
I sometimes form a conical or other recess in the large end of each piece of
lead or crayon for a purpose that will hereinafter appear.
.
According to a modification of my invention, instead of using separate
sharpened pieces of lead or crayon, I employ a single lead or crayon extending
throughout the whole length of the pencil as heretofore but having its diameter
diminished at intervals, to form conical segments which are however not
entirely separated. When a section of the covering roll is removed, the lead, or
crayon is broken at its weakest part and a new sharpened point is exposed...
Referring to the accompanying drawings which illustrate how my invention
may be conveniently carried into effect.
Figure 1 is a longitudinal central section of a pencil having a lead or crayon
comprising a number of independent pieces each of which is sharpened at one
end.
Figure 2 shows on a smaller scale the pieces of lead or crayon assembled in
line and ready to be rolled in the covering sheet.
Figure 3 illustrates a modification in which each piece of lead or crayon is
formed with a recess in its large end for a purpose hereinafter specified, and
Figure 4 is a longitudinal section of a modification of my improved pencil in
which the lead or crayon is reduced in diameter or thickness at intervals.
Referring to Figures 1 and 2, A, A are pieces of lead or crayon sharpened at
one end and assembled in line with the points laid in the same direction. B is
the covering material shown flat in Figure 2 and rolled up to form the finished
pencil in Figure 1. This covering material is formed with parallel lines of
weakness b, b as heretofore and is rolled around the pieces A in the same way
as it has heretofore been rolled round a single lead or crayon. Prior to rolling
the sheet B around the pieces A, the latter are so arranged that the large end
of each piece is enclosed by and secured in one section of the covering roll
between two lines of weakness, and the point of said piece extends into the next
adjacent section as indicated in Figure 2. It will be seen that with a pencil so
constructed, as each section of the covering is removed the piece of pencil con-
tained in said section comes away and a new point is exposed.
The pieces are held in the sections of covering roll by any suitable adhesive
material.
In Figure 3 the construction is the same except that each piece of lead or
crayon A is formed with a conical or other recess a¹ in its large end, which with-
out reducing the length of the point allows of making the cylindrical part of
each piece longer than can be done with the construction shown in Figure 1
and thereby ensures a firmer hold on the pieces, or if the length of the cylin-
drical part is maintained the same, allows of forming a longer and finer point
on each piece which is sometimes desirable, or the space thus rendered available
may be taken up partly by increasing the length of the point and partly by
increasing the length of the cylindrical portion, or as a fourth alternative the
lengths of the cylindrical parts and of the points, may remain unchanged and

page_text: in that case an increased number of pieces may be assembled in the same length
of pencil. The recess a¹ may have any desired shape or angle.
In Figure 4 I have shown a modification in which the lead or crayon is con-
tinuous from end to end of the pencil but has its diameter or thickness reduced
at intervals as indicated at a, a. In this modification each part of the lead or
crayon, consisting of a coned portion and the large end into which the coned
portion merges, corresponds to one of the separate pieces A in Figure 1, and
the said parts are arranged in relation to the lines of weakness of the covering
roll in the same way as the separate pieces A of Figure 1, so that as each section
of the covering roll is removed, and with it the small unused piece of lead or
crayon contained in said section, (which piece is broken off at the weakest part),
a new sharpened point is exposed.
In the above described forms of pencil a sharpened point is exposed whenever
a section of the covering roll is removed, so that for all uses where a sharpened
point is desirable this construction of pencil is very advantageous and avoids
the necessity for the user to have to sharpen the pencil.
My invention is applicable to all types of pencil where the lead or crayon is
exposed by unrolling, tearing or breaking off a portion of the cover.
Having now particularly described and ascertained the nature of my said in-
vention and in what manner the same is to be performed, I declare that what
I claim is-
1. A pencil consisting of a number of sharpened pieces of lead or crayon
placed in line and enclosed in a roll formed from a sheet of flexible material,
substantially as, and for the purpose, specified.
2. So constructing and arranging the sharpened pieces of lead or crayon in
reference to the lines of weakness of the covering roll that the large end of each
piece is secured or held in one section of the covering roll and the point extends
into the next adjacent section, substantially as described, and for the purpose
specified.
3. Forming each piece of lead or crayon with a conical or other recess in the
large end thereof substantially as, and for the purposes, specified.
4. The modified form of pencil wherein the lead or crayon is made in one
piece from end to end of the pencil, but has its diameter or thickness reduced at
intervals, and arranged with reference to the lines of weakness of the covering
roll substantially as described, and for the purpose specified.
5 A pencil constructed substantially as described with
reference to
Figure 1, or to Figure 3, or to Figure 4 of the drawings, for the purposes
specified.
Dated this And dane of Manamba 1000
D. YOUNG & Co.,
11 & 12, Southampton Buildings, London, W.C.,
Agents for the Applicant,