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Патент USA US2108442

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Feb, 15, 1938.
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c. H. PHILLIPS
wRlTING
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2,108,442
INSTRUMENT
Filed Aug. 19, 1936
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BY
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ATTORNEY
Patented Foi». 15,1938
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2,108,442
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2,108,442
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' WRITING INSTRUMENT
Charles H. Phillips, Richmond, Va., assigner to
The FairwayReal Estate Company, Incorpo
rated, Richmond, Va.
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Application August 19, 193s, serial No. sofico
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i claims. ` (oi. 12o-_9)
My invention relates to writing instruments,`
and to pencils, and particularly to that form of
pencil in which thel lead is inserted in the head,
and, as it is used, is fed out at the point by
_5 mechanical means.
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, as in the action of writing, the point 5 of the
The end of a pencil is comparatively unyielding, and the lead is\often broken when a pressure is applied. This is particularlyvso in the
pencil will give to »a degree proportional to the
pressure applied; and lines of different depth may
be made by the lead Without as much risk of
case of the re-ñllable pencil, the leads for which
10 are usually slighter and less strong than are those
of the solid pencil.
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2 which enters the tube 4, and which is flexible,
moves with the tube.
lIf now the lead 3 is fed out beyond the tip 6',
and it is then pressed down upon aplane surface,>
breaking the lead as with> the ordinary stiiî point. ‘
Another advantage of my flexible point is that it l0
The object of my invention
eases the nerve _strain 0n the fingers. Whieh
is to provide a .re-illlable pencil with a flexible
Strain Oftenv reSllliSS iii e form 0f ilemPOl'eJ‘Y
or resilient~ end, which may give slightly to pres-
Cremp.
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sure, and without breaking the lead.
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It is`-not necessary that the tube 44 may slide
l5 .In the drawing: Figure I shows the end of a in the aperture; for if the tube 4 oscillates on a' l5
»i pencil having my nexiioie point in section; Figures
center at i6 the. sprint-wire coll I4 will `stretch
‘ III and >IV show ends of pencils having my flexible
0r Open and close to accommodate itself to the
point in section, but made of slightly diiîerent
Oscillating Of'the tube 4.
~materials.v Figure II shows the Aend ofthe pen20 cil in elevation.
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In Figure III I ShOW my flexible ‘Pencil Point
There are several typesof me-
With the Spring-Wire »C011 ñlled with rubber 0r 20 ,
chemical-means by which- the leadmay be i'ed ^ fabric; which makes e» little Siiiïei‘ point»
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‘ out at the tip; and'forthe purpose of illustrating A‘Figure IV I show the same point eS ill Figure III,
my invention I have shown the end of the stiiî but With the Spring-Wire coil removed; leaving ’
‘ feed-wire which is used to push "the lead forward vonly the flexible rubber 0r fabric.
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25. in ‘most pencils. This wire is indicated by the
- I Gleim:
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numeral 2; and asit is moved forward it pushes _. - 1- A Writing inStrllmenlì, eemprising e hOllOW
the lead 3 through the tube 4 carried in thel point
Stem; e» POilii'» attached t0 the Stem end helling
5, and out. at the tip 6.
an apertured base and a hollow tip connected by
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In Figuree 1 the point 5 consists of a base Il' ' a spring-Wire coll; a lead-carrying tube attached
ao which is fitted into the end lz of the body | or
vthe pencil.
To thisv base I connect the tapered
to the hollow tip and supported in the aperture in 3o
'the bese'.
point 5 which may be of any _spring material
such as rubber- or ceiluloid or metal. when I
, make it of metal I make it in the form of a spring35' wire coil, as shown at Il in Figures I, n and III.
In Figure III I‘show the same point 5 and e011
pencilV I form the point of rubber or fabric wlth40 out the tapered spring_wire enveßpmg'con “_
If the lead 3 were 'passed into the ñexible point
i 5 without any protection, when the point was
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apertured base and a l'lOllOW til) eermeeted'by e
flexible hollow body: a iead-oarryins tube at- 35
tached to the tip and supported in the aperture
I4; but I lill the latter with an elastic or flexible
material I5 such as rubber or fabric.. In a'cheaper
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2. A writing instrument comprising a hollow
Stem: a- point attached to the stem and having an
in the bBSe-
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"3c A Writing iliiitl‘lililelliî!` COmDi‘iSinÉ 8- Stem.; ß i .
PQînt attached t0 .the Stem; the Said Poinß‘ having c
an apertured base, a hollow tip, and a resilient 40
body connecting the tip and the apertured baise; Y ’.f
ägg'uàäìgârîäiîäetggîrïäd
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exed t e lead would be apt to break. Therefore
' 45 I pass the lead into and through the tube 4, which
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,glie ägêlow up ' e
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4_ A Writing instrument: comprising a hollow
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is held at the tip 6, and which is also Iloosely held Sgîäl; oî'nïïìnïi attached t? mhâ ¿glow âtîlm ; gie 45
anche bose n.
The aperture ci lein'iho bose ||
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a ng an “per ure
e’ a
° ow
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is short'» and` the tube
is. not held rigidly in it'»
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reânêfnt
ape ure
ase; bodly
a ea(àonnectmg
-carrylng Èhâetip
u
he lväìth
in the
the l l
y but can slide through it and also oacillate a little
.450 init. The posterior end I1 .of the tube 4 is not
hollow tip and supported 1n the aperture in the
base; and means for feeding the lead through 50
held rigidly in the stem I of the pencil.: but has
a little freedom of movement. The pusher wire `
the tube. '
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CHARLES H. PHILLIPS.
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