close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3098477

код для вставки
July 23, 1.963
3,098,467
B. NÄGELE, JR
MULTI-COLOR PRESSURE ADJUSTABLE WRITING INSTRUMENT
2 Sheets-Sheet 1
Filed April 7, 1959
n
„
,_.
_îNw
_ß
y_
a
„f
W
l»
..9
m
4
.f
f
f
B
mw
?
„
V
,mm@
July 23, 1963
B. NÄGELE, JR
3,098,467
MULTI-COLOR PRESSURE ADJUSTABLE WRITING INSTRUMENT
Filed April 7, 1959
2 Sheets-Sheet 2
United States Patent Oiitice
Patented July 23, 1963
i
2
3,098,467
insert is provided with a plurality of longitudinal slots
corresponding to the number of the lead guiding means,
sald resilient tongues of the carriers being inserted into
MULTE-CÜLQR PRESSURE ADJUSTABLE
ë’f‘: ING INSTRUMENT
said slots. The rear portion of the guiding insert com
prises further continuous slots through which extend the
hook-shaped ends of said resilient tongues in such a way
that the resilient tongues of the respective lead carrier
Bernhard Nagele, Jr., Goethestr. 59,
Schwabisch Gmund, Germany
_
rasata?
Filed Apr. 7, 1959, Ser. No. 804,753
Claims priority, application Germany Apr. 9, 1%58
8 Claims. (Cl. 1Z0-14.5)
-being moved will be guided in said slots during its ad
vancing or feed movement.
Near the front end of the
The present invention relates to a pressure adjustable 10 feed spindle there is provided a cylindrical transverse
writing instrument for different color leads or inks and,
bore in which is guided a transverse 'bolt acted upon by
more particularly, to such a writing instrument, for in
a locking spring.
stance pressure adjustable ball point writing instrument,
The locking ring is rotatably but axially non~displace-
in which by applying pressure upon a push button or
ably connected to the feed spindle. When advancing the
pressure spindle, the lead or pen cartridge is moved into 15 spindle, the follower cam and the return cam engage
its writing position in which it is locked. When the lead
slots in the guiding insert so that a rotation of the spindle
or pen cartridge is to be returned into its ineffective posi
during its movement into writing position will not be
tion, further pressure is applied to the push button or
possible.
pressure spindle so as to slightly further advance said
The locking bolt acted upon by a spring will, when oc
lead or pen cartridge whereby it is unlocked and by 20 cupying its rest position, serve as locking means for the
means of a spring is returned to its rest position in the
retracted leads while allowing a selection thereof for
interior of the casing of the writing instrument.
the movement of a lead into its writing position. The
It is an object of this invention to provide an improved
said locking bolt also serves to retain a lead in its Writ
writing instrument of the above mentioned general type.
ing position.
color automatic writing instrument which is relatively
simple in construction and operation and in which the
desired respective lead will be quickly moved into its
Writing position and into its rest position by the exertion
such that it can be screwed as an entirety into an inner
It is also an object of this invention to provide a multi 25
of pressure upon a push button or the like.
These and other objects and advantages of the inven
tion will appear more clearly from the following speci
liication in connection with the Iaccompanying drawing,
The construction of the lead advancing mechanism is
thread of the instrument casing.
Referring now to the drawing in detail, the writing in
strument
shown therein comprises a casing l. Within
30
»the upper portion of casing l there is arranged a guiding
insert 21 which has `a plurality of external axial grooves
20 corresponding to the number of colored lead carriers
to be received by said writing instrument. The various
in which:
35 color leads or ball point pen cartridges 17 are detachably
FIG. 1 is a longitudinal section through a writing in
mounted in carrier members i8 which in their turn are
strument according to the invention with four different
provided with extensions or tongues ll9` of resilient sheet
leads, one lead being shown in its writing position.
FIG. 2 illustrates a portion of FIG. l Ábut on a larger
metal.
The radially inwardly bent hooks 22 `of the
resilient extensions or tongues 19 extend over a rotatably
scale than the latter.
40 journalled locking ring Z7 which is axially non-adjust
FiG. 3 is a cross section through the -arrangement of
ably mounted in the guiding insert 2l. Ring 27 rests
FIG. 2 taken along the line III-III thereof.
against an annular abutment 28 of the guiding insert and
FIG. 4 represents a cross section of the arrangement
has one portion -thereof provided with an axial milled
shown in FIG. 2, said section being taken along the line
out portion 29 through which a follower nose or cam 2.4
45 on a fee-d spindle 3 may pass.
IV-IV of FlG. 2.
The feed spindle 3 has furthermore an yaxial guiding
FIG. 5 represents a section taken along the line V-V
groove 30 engaged by a guiding pin 31 on the locking ring
of FIG. 2.
27 in such Ia way that the spindle ‘may be `axially displaced
The writing instrument according to the present inven
along the said guiding pin 3l, while the spindle and ring
tion is characterized primarily in that the leads are guid
ed by a cylindrical insert which is non-displaceably 50 remain keyed together.
Spindle 3 is guided in clip screw 32 cl-osing the rear end
mounted in the casing or housing of the writing instru
of the casing l and is furthermore guided within the guid-v
ment. In the said insert there is guided a rotatable feed
ing insert by means of an abutment nut ‘34. One side of
spindle provided with two serially arranged cam mem
bers, namely a follower cam member and a return mem
spindle 3` is in addition to the follower nose or cam 24
ber, between which hook-shaped ends of resilient tongues 55 provided with a return cam 35 which is spaced from fol
lower cam 24 in such a way that the bent-over hook 22 of
of the lead carrier-s can be adjusted by rotation of the
one of ‘the lead supports can extend between the two cams,
feed spindle for moving the respective lead carrier into
when the feed spindle is rotated by means of a push but
writing position. The respective lead carrier can be held
ton 23 and is eadjusted for a certain lead.
in its writing position by means of a spring-urged trans
verse bolt. When »the spindle is advanced further, the 60 The feed spindle is near the front end thereof provided
with a transverse bore 4‘8 in which by means of a pressure
respective lead carrier is released and ‘by means of a
spring 317, a locking `and adjusting bolt 36 with cone-shaped
return spring is returned to its rest position. The ar
tipi portion is adjustable transverse to the feeding direction
rangement according to the invention furthermore com
of the spindle. The said spring 37 is located in a cylin
prises a locking ring non~disp1aceably mounted in the
guiding insert. The hook-shaped ends of the resilient 65 drical hollow chamber 38 of the locking bolt 36 and rests
tongues of the lead carriers when in rest position will en
gage said locking ring in such a way -that when the feed
on one hand against the outer closure closed end of bolt
36 and on the other hand rests against the bottom 39‘ of
spindle is moved into its writing position, said resilient
the transverse bore 48.
~
Between the lower end of the feed spindle and the clos
rest position and only the respective adjusted lead guiding 70 ure member 40 ñxedly connected to the guiding insert for
instance by hanging there is arranged a return spring 14
means «will be moved `into Writing position. In order to
hooloshaped ends and tongues will -be retained in their
assure this operation, the outer periphery of the guiding
which has both ends guided by extensions 41, 42. 'The
3
3,098,467
lead carrier or support can be disengaged from writing
position by means of an abutment ring Áor release sleeve
10 as will be described hereinafter. The rear marginal
portion 43 of abutment ring il() is shaped conically so as
to taper toward the longitudinal axis of said abutment
ring 16.
If it is ldesired to move `a lead carrier lor support from
its rest position shown in FIG. 2 in-to its writing position,
the hook-shaped end of the respective extension i9* is
moved into the gap between the follower cam 24J Iand the
return cam 35 by rotation of push button 23 which is pro
vided with color markings 44. Thereupon the spindle
is moved forwardly by pressing on push but-ton 23 until
hook-shaped portions for retaining those carriers not en
gaged by said recess means, Iand abutment means at the end
of said insert which is opposite the writing end of the cas
ing engageable with the spindle for limiting the movement
of said spindle from its advanced position into its retracted
position, said locking member being so angularly related
«to radial-ly extending means as »tot engage a slot of said
insert when said spindle is in one of its said rotated posi
tions.
2. A writing instrument according to claim 1, in which
said retainer ring means is non-rotatably but slidably
coupled to said spindle and has an axial opening that
registers with -said recess means to permit -axial movement
the transverse bolt 36, due to the locking spring 37 snaps
therethrough of said radially extending means and the
`outwardly beneath abutment 45; At the same time, the 15 hook-shaped portion of the carrier coupled to the spindle.
cylindrical end 46 below the bolt 36 enters the upper end
3. In a writing instrument: a casing having a Writing
of the release sleeve 10'. The «feed spindle and thus the
end, :an `axially slotted tubular insert in said casing, a rotat
carrier that has been ladvanced will be held in this position.
able feed spindle axially movable in said insert from a
When it is desired to return the carrier to its rest posi
retracted position downwardly toward the writing end of
tion, the feed spindle is advanced Vfurther by exerting fur 20 the casing into advanced position, and vice versa, spring
ther pressure upon the push button 23. As a result there
means urging said spindle toward its retracted position, a
of, the cylindrical end 46 of spindle 3 further enters the
plurality of carriers in the casing between the Writing end
release sleeve 10, and the locking bolt with its cone-shaped
thereof and said insert respectively provided with tongues
tip will be cammed inwardly by the cone-shaped marginal
ending in hook-shaped portions extending into the respec
portion 43 oi release sleeve 10 against the thrust of spring 25 tive 'slots of said insert, said spindle being provided with
37 until it enters the straight portion -o-f the sleeve. r1`he
radially extending means having 4a recess therein movable
release sleeve is axially movable and will retract with the
by rotation of the spindle into predetermined rotated
feed spindle on account of the frictional engagement of
positions
into engagement with anyone `only of said hook
the locking bolt with «the sleeve upon releasing push button
shaped portions, a spring urged locking member sup
23. The release sleeve is about the same diameter as 30 ported by said spindle and bearing on the wall of the
guiding insert 20 yand when lthe feed spindle retracts, the
insert, an abutment in the insert engageable by said lock
locking bolt will pass from the release sleeve into the guid
ing member for locking the spindle in said advanced posi
ing insert without engaging abutment 45, whereby the feed
tion, a pushbutton protruding from said casing and con
spindle and t-he carrier connected therewith will move to
nected to said spindle for moving said spindle into said
retracted position.
35 advanced position and also for moving beyond said ad
The guiding insert 21 is provided with Ia thread 47 so
vanced position, means reciprocably mounted in said cas
that the entire feeding mechanism can as an entirety be
ing
operable when the spindle is ladvanced beyond its ad
screwed into a corresponding hollow thread of the casing
vanced
position for receiving the .spindle »and locking
l. It is understood that “lead” and “ball pen cartridge”
have been used interchangeably because it is intended to 40 member and frictionally engaging the locking member and
retracting the locking member from abutment engaging
include within the purview of the present invention not
position
»to thereby permit said spring means to return
only pencils using plural leads but also pens having plural
said spindle to its retracted position upon release of pres
ink supply cartridges.
sure from said pushbutton, retainer ring means rotatably
It is, of course, to be understood that the present in
vention is, by no means, limited to the particular oon 45 but axially non-displaceably mounted in said casing en
gaging said hook-shaped portions for retaining those car
struction shown in the drawing but also comprises any
riers not engaged by said recess means, and means for
modilications within the scope of the appended claims.
permitting rotation of said spindle in its retracted posi
What I claim is:
tion only, said locking member being so angularly related
l. In a writing instrument: a casing having Ia writing
end, an axially slotted tubular insert in said casing, a rotat 50 to radially extending means :as to engage a slot `of said
insert when said spindle is in :one of its said rotated posi
able feed spindle axial-ly movable in said insert from a re
tions.
tracted position downwardly toward the writing end of
4, In a writing instrument: a casing having an upper
the casing into advanced position, spring means urging
end and a lower writing end, an axially slotted insert ñxed
said spindle toward its retracted position, a plurality of
carriers in the casing respectively provided with tongues 55 in said casing, a rotatable feed spindle axially movable
in said insert `from an upper or retracted position in the
extending along said insert and ending in hook-shaped por
casing toward the writing end of the casing and into a
tions extending into the upper ends of the :sl-ots in 'the in
sert, said spindle being provided with. radially extending
lower advanced position, spring means biasing said spindle
toward its retracted position, a plurality of carriers for
means having a recess therein located in the plane of said
hook-shaped portions when the spindle is retracted and 60 lead or ink elements in the casing between the writing end
thereof and said insert and, each provided With a tongue
movable by rotation of the spindle into predetermined
extending along said insert and terminating in a laterally
rotated positions into selective engagement with any one
extending hook-shaped portion extending into a respective
slot of said insert, said carriers having retracted positions
engageable by said locking member for locking the spindle 65 where the elements carried thereby are Withdrawn into the
casing and having advanced positions where the elements
in said advanced position, means protruding from said
carried thereby protrude from the Writing end of the cas
casing and connected to :said spindle for moving said
ing, said spindle being provided with radially extending
spindle into said advanced position and -for moving said
spindle beyond said advanced position, means freely recip
means forming a radial recess movable by rotation of the
rocably mounted in said casing sand frictionally engaging
spindle into predetermined rotated positions when in re
and retracting -said locking member` when the spindle is`
tracted position into selective engagement with any one
advanced beyond its advanced position thereby to permit
only of said hook-shaped portions in said rest position
said spring means to return said spindle to its retracted
of said carriers, an outwardly spring-urged looking mem
position, retainer ring means rotatably but axially non
ber carried by said spindle, an abutment in said insert
displaceably mounted in the insert engaging beneath said 75 engageable by said locking member:v for «locking the
only of said hook-shaped portions, a spring urged «locking
member carried by said spindle, »an abutment in the insert
3,098,467
6
5
end and a lower writing end, an axially slotted tubular
insert in the casing, -a plurality of carriers for leads or
spindie in -said advanced position, said locking member
bearing outwardly against the inner wall of said insert,
ink cartridges in the casing below the insert having
tongues extending along the insert and terminating in
hook-shaped portions extending respectively into the slots
of the insert, a retainer ring rotatably supported in the
and push button means protruding from the upper end
of said casing connected to said spindle adapted to Ibe
actuated by pressure to move the spindle into said »ad
vanced position and also operable for rotating said spindle,
said locking memiber being operable for releasably engag
upper end of the insert engaging the undersides of the
hook-shaped portions and having an axial opening in one
ing one of the slots of said insert for each said rotated
side to permit any one only of said hook-shaped poritons
position of said spindle.
5. In a writing instrument: a casing having an upper 10 to pass axially therethrough, a rotatable spindle recip
rocable in said insert having an upper or retracted posi
end and a lower writing end, an axially slotted tubular
tion in the casing toward the upper end of said casing
insert mounted in said casing, la rotatable feed spindle
and having a lower advanced position toward the writing
axially movable in said insert -from a retracted position
end of said casing, said spindle being slidably keyed to said
downwardly toward said writing end of the casing into
retainer
ring, laterally extending means »on the spindle
an advanced position, spring means urging said spindle
having lateral recess means therein in the plane of said
toward its retracted position, a plurality of carriers for
hook-shaped portions when the spindle is retracted, said
lleads or ink Icartridges in the casing between said insert
laterally extending means being circumferentially posi
and the writing end of the casing provided with tongues
tioned so as to align with the opening in said 4retainer ring
extending along the insert land ending in co-planar hook
shaped portions extending into the respective slots of said 20 and rotation of the spindle into preselected rotary posi
tions causing -the recess means selectively to engage said
insert, said spindle compri-sing means extending lradially
`hook-shaped portions while the others are engaged by
said retainer ring, means -for moving said spindle down
wardly in the casing together with the carrier coupled
therefrom provided with recess means, said recess means
being coplanar with said hook-shaped portions when the
spindle is retracted land `being movable by rotation of the
to advance the lead or ink cartridge pertaining to
spindle into preselected positions into selective engagement 25 thereto
the carrier into writing position, a spring urging the
with any one only of said hook-shaped portions, said
spindle toward retracted position, a radial locking bolt
rotatable feed spindle being provided with la transverse
carried
by said spindle spring urged outwardly thereon
Ibore, locking bolt means reciprocably mounted in said
and
operable
for releasably locking said spindle in its
transverse bore, a spring urging said locking Ibolt means
advanced position and said locking bolt in said preselected
outwardly into engagement with the wall of `the insert, 30 positions
of said spindle releasably engaging the slots in
said locking bolt having a conical end part and said end
part releasably engaging one of the slots in said insert for
leach said preselected position of said spindle, a counter
bore in the insert in the end toward the Writing end of
the casing forming an abutment in the insert lfacing the
said insert to form detent means for said spindle.
7. A writing instrument Iaccording to claim 6, in which
the said laterally extending means on the spindle consists
oÍ vertically spaced cams defining therebetween said recess
means and extending laterally from the spindle into the
Writing end of the casing .and engageable by said locking
said axial opening in the retainer ring when the spindle
bolt in response to said feed spindle reaching its advanced
position to lock said feed spindle and thereby the respec
tive carrier engaged by -said spindle in 'advanced position,
means protruding from said casing :and connected to said
is retracted, and with the said recess means defined by
40
spindle for rotating the spindle and adapted to be actuated
the space between the cams -being co-planar with the -top
of the ring.
8. A writing instrument according to claim 7, in which
by pressure from the outside of said casing to move said
the said cams on the spindle are disposed in the respective
rocalbly mounted in said counterbore in spaced relation to
said abutment operable in response to movement of the
References Cited in the ñle of this patent
slot of the insert when the spindle is advanced -to prevent
spindle into said advanced position and also selectively
operable to Inove said spindle when in its advanced posi 45 rotation of the spindle when in any Iadvanced position.
tion ‘beyond said advanced position, a sleeve freely recip
UNITED STATES PATENTS
spindle beyond its advanced position kfor engaging said
locking bolt means «and Iforcing it inwardly away from 50
said abutment and friction-ally engaging said locking bolt
means, and retainer ring means rotatably -but 4axially non
displ-aceably mounted in said casing positioned to engage
the under sides of said hook-shaped portions that are not
engaged -by said recess means for retaining those carriers 55
not engaged lby said recess means in a retracted position
in said casing, said retainer ring means ybeing keyed to
said spindle to rotate therewith and having an axial slot
to receive said means extending radially from the spindle.
6. ÁIn a writing instrument: a casing having an upper 60
1,701,263
1,808,171
2,162,249
2,557,054
Henzel ________________ __ Feb. 5,1929
Larter ________________ _„ June 2, 1931
Dur-rler ______________ __ lune 13, 1939
Mansheim ____________ __ June l2, 19’51
FOREIGN PATENTS
541,378
253,971
985,667
912,787
1,009,530
Germany _____________ ___ Jan. 11,
Switzerland ___________ __ Apr. 15,
France ______________ __ Mar. 14,
Germany _____________ _.. .Tune 3,
1932
1948
19511
1954
Germany ____________ __ May 29, 1957
Документ
Категория
Без категории
Просмотров
0
Размер файла
666 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа