US1845287A - Fountain pen - Google Patents

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US1845287A
US1845287A US457031A US45703130A US1845287A US 1845287 A US1845287 A US 1845287A US 457031 A US457031 A US 457031A US 45703130 A US45703130 A US 45703130A US 1845287 A US1845287 A US 1845287A
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lever
reservoir
strip
reservoirs
presser
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Charles E Klaus
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02Ink reservoirs
    • B43K5/04Ink reservoirs flexible

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  • This invention relates to improvements in fountain pens, and iticonsistsiof the constructions, combinations and arrangementsherein described and claimed.
  • YAn obj ect of theinvention is to provide an auxiliary ink reservoir for fountain pens,the contents of which may readily be discharged into' a main reservoir whenthelatter runs dry, the necessity for Vdrawingupon. the. auxiliary reservoir serving as an indication that the fountain pen requires refilling. ⁇ i i I
  • Another. object of the invention isto improve the so-calledself-illing fountain pen to the extent of providing main auxiliary reservoirs, and a novel arrangement of presser strips operable by aV common levereither for the simultaneousilling ofboth reservoirs or the emptying of the contentsofwthe auxiliary reservoir into the main reservoir,l
  • a further object of the invention is-to improvethe dualv reservoir or ink sacfthus involving aprocessaccording to the steps of which the resultant sac islnot only divided into ⁇ main land auxiliary reservoirs butin producing the point of constrictinan rob- ⁇ jectionable lateral enlargement ordistortion which would prevent the easyinsertionofthe sac in the pen barrel is avoided.
  • Figure l is a perspective viewof a fountain pen, particularly illustratingthe Vactuating lever.
  • Figure 2 is vertical section of a portion of the pen barrel showing the compressor mechanism in the position thatv it assumes when both reservoirsof the inksac'are distended and presumably full.
  • Figure 3 is a similar view illustrating-one action of the lever by which both reservoirs are compressed simultaneously preparatory to being filled.
  • Figure 4 is a view similar to FigureB illustrating the reversal of the actuatinglever whereby only the auxiliary reservoirfis coinpressed thereby to discharge the cont-ents into the main reservoir.
  • Figure-5 is a cross section taken onthe line 5--5 of Figure 2.
  • Figure is a perspective view ofthe lever fsuprertnssrrng, the function 0f ,which .is to positively hold the lever iniits reist posiytierras in Figure 2.- Y i i .
  • Figure 7 is a perspective viewofthemain presser strip.
  • Figure 8 s a perspective view of the aux- Yiliary 'presser strip.
  • Figure l0 is aplan view of aportionof the ,ink sacgillustratingthe preliminary step of constriction.
  • Figure Vll is afplan view of aportion of the ink sac illustratingthe,formation Ofanink Vduct1by .thestep'of ⁇ vulcanization.
  • Figure 12 is a cross sectiontakenon .the yline .l2-l2 off- Figure v1&1.
  • the 3 remedy herein proposed y is to provide thebarrel 1 of a fountain penwith 'a dual reservoir 'orinlrsac 2 of rubber or other appropriate-liexible material whichis divided Q5 into mainandauxiliary ,reservoirs 3 ⁇ and 4 by means of a ⁇ constriction 15, the 'making of whichis the subject of .an ingeniousprocess.
  • This inlrsac is adapted to be acted upon by a compressor mechanism generally denoted,
  • the ilever.. 1i0 is in" the nature of :ai solid har 415m that in soinerinstanceslthe 8 0 or inner edge'of th (Fig. 5) but might be struck up from sheet metal bent to the proper proportions. Its ends 12, 13 are reduced by shaping away the material on the nether or inner edge until the extremities are approximately as thick as the pen barrel (Fig. 2). These shaped places provide recesses in which the protrusions 14, 15 ofl a lever .supporting spring 16 bear to maintain the lever in its proper resting position (Fig. 2) when the dual reservoir 2 is fully distended. 'i
  • protrusions 14, 15 are bent into format the ends of a slot 18 in the spring 16.
  • the spring is slit and parts of the metal are bent up into the shape of protrusions.
  • the ends 12, 13 of the lever l0 work in the slot either for the simultaneous compression of the two reservoirs 3, 4 (Fig. 3) or the compression of only the reservoir 4 (Fig. 4).
  • That end of the spring 16 adjacent to the slot 18 has an arm 19 which carri-es a circular yoke 20 (Fig. 6) which lits the pen barrel thus to establish an adequate support not only Vfor the spring 16 but the entire inner component of the compressor mechanism 6.
  • This inner' component consists of the spring 16, already mentioned,faJ main presser strip 21 and an auxiliary presser strip 22.
  • the purpose of the strip 21 is to compress the main reservoir 3, while the purpose of the strip 22 isto compress the auxiliary reservoir 4.
  • the main presser strip 21 is riveted or otherwise secured at one end to the spring 16 as at 23.
  • the other end has a bifurcation 24 (Fig. 7 )l to the insides of which ears 25 (Fig. V8) of the auxiliary presser strip 22 are pivoted, the approximate extent of pivotalmotion of one strip to the other is shown in Figure 4.
  • a transverse groove 26 stamped in or struck across the main presser strip 21 prior to .furcating the adjacent end permits of easier manufacture of the presser strip, especially as it may be desired to have the upper e strip made slightly higher than the Vflat portion yin the immediate re ion of a slot 27 in the presser strip.
  • the ends 12, 13 of the lever 10 pass into this slot during the Working of the lever 10 as seen in Figures 3 and 4.
  • auxiliary presser strip 22 is bent up at 29 to provide a rest which bears against the under side of the lever supporting spring 16 (Fig. 2) and tends to relieve the auxiliary reservoir 4 of the weight and pressure.
  • This rest is part of a reduced end V30 of the auxiliary strip 22 (Fig. 8) which is adapted to swing between the furcations 24 to a slight extent (Fig. 4).
  • the opposite end of the strip22 is forked at 31 (Fig. 8), and at the inner end of the forl there is a stop 32 with the opposite sides of which the lever ends 12, 13 are adapted to engage (Figs. 3 and 4) to limit the swinging or raising movement of the lever 10.
  • a depression 28 stamped from the material of the strip 21 at one end ofthe slot 27 extends into the'forl; 31 under the circumstances in Figures 2 and 3.
  • the end of this depression clears the adjacent stop32 of the strip 22;
  • the purpose of this depression is to enable theuse 0f a shorter lever stop 32 thanv wouldotherwise be possible.
  • Another effect of this depression is a greater capacity of reservoirs 3, 4.
  • the construction of the ink sac is an important factor of the invention. It has been found that the making of the constriction 5 by molding is virtually impossible, or at best so difficult as to make the cost prohibitive.
  • the alternate choice is to take a tubular ink sac and vulcanize it together at a designated spot so as to produce the constriction. This has the disadvantage of spreading or flaring the sides of the sac so that insertion into the barrel 1 becomes diilic'ult.
  • the remedy consists of initially moldingl the sac 2 with a slight constriction 35 (Fig. 10). This is easily accomplished; The constriction 35 is then pressed down and acted upon by an appropriate vulcanizing instrun ment so that a vulcanized spot 36 (Fig. 11) is produced. rI ⁇ he attendant spreading of the constriction 35 is kept within the bounds of the cylindrical sac 2A (Fig. 11) so that there will be no difficulty whatever in inserting the sac in the barrel 1.
  • the vulcanizing is done in such a manner that one or more ducts 37 (Figs. 5 and 12) are produced. It is through these that the ink ink iows from tnc reservoir to the other. rIhe vulcanized spot 36 (Fig. 11) is to be identified as the constriction 5 (Fig. 2), and according to the position of the compressor mechanism 6 it will be seen that the latter can be worked without in any way interfering with the constriction 5 or, more especially, with the ducts 37.
  • the important thing is to form the ink channels or ducts 37 by holding the opposite walls of the sac together in such a way as to form one or more connectingchannels between the mam and auxiliary reservoirs.
  • Each duct must be of suiiciently small cross sectionsothatthe surface tension of the. ink will'be great enough ⁇ to prevent its flowing out of the auxiliary reservoir until forced out byLthe presser strip; y f
  • a fountain pen having abarrel with an opening,l resilient means having means providing its support inithevbarrel, a pair of connected pressers of which one is joined with the free end of the resilient means, an ink sa'c consistingofafpair of connected reservoirs situated between the pressers and a wall of the barrel, and means mounted to turn in the opening to engage either one or the vother of the pressers" respectively to compress both reservoirs or only one reservoir.
  • A'fountain pen having a'barrel with an opening, resilient means mounted in the barrel, a pair of connected pressers of which one is joined with the free end of the resilient.
  • a fountainpen having a barrel, a plurality 4of'connected reservoirs, an equal plurality of connected 'pressers' for the respective izo reservoirs, and a single lever movable into a plurality of positionsVv for producing a cumulative action of thepressers against the reservoirs or only a single action of one of the pressers against the i respective reservoir.
  • a fountain pen having a barrel with an n opening, a pin associated with the opening, a plurality of ink reservoirs in the barrel, connected pressers movably supported in the barreladjacentto the reservoirs, and a lever occupying the opening having a slot receiving the pin to enable diverse movements and turning motions whereby to engage the oppo site-ends of the leverfwith one or the other of the pressers for either a cumulative or single compressing action.
  • Compressor mechanism for fountain pens comprising a reservoir presser, an 'actu-V p ating lever movably mountable in the opening of a presser, said lever having an end reduced to provide a recess, and resilient means for yieldably supporting the presser, said means having a protru'sion for engaging in said recess against said end to maintain the lever in a normally nested positionin theopening.
  • Compressor mechanism for fountain pen barrel for operating upon the v pens comprising a main reservoir presser, an auxiliary reservoir presser connected theref -With and having a stop, means by Which the main presser is movably mounted in a pen barrel having an opening, and a lever swingable in either of tvvo directions through said opening to actuate one orl the other of the pressers for a compressing action, the swing-v ing of said lever being limited by engagement with opposite sides of said stop.
  • ompressor mechanism for fountain pens comprising a pair of connected pressers, resilient means with Which one ofthe pressers is connected, being mountable in a pen barrel, and a rest on one of the pressers to engage a portion of the resilient means when the latter is in a relaxed position.
  • a compressor mechanism for fountain pens comprising a slotted'lever mountable upon a pin adjoining an opening in a pen barrel, a pair of connected pressers :against either of which the respective ends of the lever are movable, a lug on the lever to receive sliding pressure preparatory to a turn# ing motion on the lever for the operation of either presser, and resilient means With Which one of the pressers is connected for the support of both pressers said means having protrusions normallybearing against the opposite ends of the lever to maintain its position.
  • a dual reservoir comprising a tubular sac having a portion of the Walls secured together to define a reduced fluid duct.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)

Description

C. E. KLAUS FOUNTIN PEN Feb. 16, 1932.
Filed May 29, 1950 ATTORNEY WITNEssEs W" Patented Feb. 16, 1932 UNITED STATES CHARLES E. KLAUSQOF PORTLAND, OREGON FOUNTAIN PEN Application iled vMay 29, 1939-. 'i Serial 111'0. l457,031.
This invention relates to improvements in fountain pens, and iticonsistsiof the constructions, combinations and arrangementsherein described and claimed. Y
YAn obj ect of theinvention is to provide an auxiliary ink reservoir for fountain pens,the contents of which may readily be discharged into' a main reservoir whenthelatter runs dry, the necessity for Vdrawingupon. the. auxiliary reservoir serving as an indication that the fountain pen requires refilling.` i i I Another. object of the invention isto improve the so-calledself-illing fountain pen to the extent of providing main auxiliary reservoirs, and a novel arrangement of presser strips operable by aV common levereither for the simultaneousilling ofboth reservoirs or the emptying of the contentsofwthe auxiliary reservoir into the main reservoir,l
A further object of the inventionis-to improvethe dualv reservoir or ink sacfthus involving aprocessaccording to the steps of which the resultant sac islnot only divided into `main land auxiliary reservoirs butin producing the point of constrictinan rob- `jectionable lateral enlargement ordistortion which would prevent the easyinsertionofthe sac in the pen barrel is avoided. f
Other objects and advantagesappear in the following specification, referencebeing had to the accompanying drawingsinwhich Figure l is a perspective viewof a fountain pen, particularly illustratingthe Vactuating lever. Figure 2 is vertical section of a portion of the pen barrel showing the compressor mechanism in the position thatv it assumes when both reservoirsof the inksac'are distended and presumably full. i
Figure 3 is a similar view illustrating-one action of the lever by which both reservoirs are compressed simultaneously preparatory to being filled. ,y
Figure 4 is a view similar toFigureB illustrating the reversal of the actuatinglever whereby only the auxiliary reservoirfis coinpressed thereby to discharge the cont-ents into the main reservoir.
Figure-5 is a cross section taken onthe line 5--5 of Figure 2. l
Figure is a perspective view ofthe lever fsuprertnssrrng, the function 0f ,which .is to positively hold the lever iniits reist posiytierras in Figure 2.- Y i i .Figure 7 isa perspective viewofthemain presser strip.
Figure 8 s a perspective view of the aux- Yiliary 'presser strip.
- Figure?) is a perspectiveview of the actuat ing lever.
. t5w() Figure l0 is aplan view of aportionof the ,ink sacgillustratingthe preliminary step of constriction. i i f i Y v Figure Vll is afplan view of aportion of the ink sac illustratingthe,formation Ofanink Vduct1by .thestep'of `vulcanization. Figure 12 is a cross sectiontakenon .the yline .l2-l2 off-Figure v1&1. l
-Thisinvention is concernedwith relieving the `armoyance attendantV upon having Lafonn- ,7p tain pen Vsuddenly run dry yat a (,ritlcal moment'. ltr-is a matterof frequent occur- Irencetofhave the supply of ink suddenly, give out while in the midst of vasignaturaorhsome eher andre-wars important Writingi i To say thelleastythisis an inconvenience. The writer ,is thereby required i to ,reach for theinkbottleand refill his pe`n. This not enly'means the llossof some timeabut Vit is easily conceivable person concerned might be embarrassed.
i The 3 remedy herein proposed y is to provide thebarrel 1 of a fountain penwith 'a dual reservoir 'orinlrsac 2 of rubber or other appropriate-liexible material whichis divided Q5 into mainandauxiliary ,reservoirs 3` and 4 by means of a` constriction 15, the 'making of whichis the subject of .an ingeniousprocess. `This inlrsac is adapted to be acted upon by a compressor mechanism generally denoted,
and'it is in tli's that a large part of the novelty l resides, 1 f @y [slot or otherr'openinglocated somewhere near .the .closed end V8` of-f-thebarrel l has'iixedly vcombined therewith .f (Fig. 5) `.and A945 located'mediall-y thereof Ava pin 9. actua@ ing lever 1Q lis pivotally andslidablykmount.- -ed on the pin for which purposerthe-lever has a slot kl1v for the. reception of the. pin.V v
The ilever.. 1i0 is in" the nature of :ai solid har 415m that in soinerinstanceslthe 8 0 or inner edge'of th (Fig. 5) but might be struck up from sheet metal bent to the proper proportions. Its ends 12, 13 are reduced by shaping away the material on the nether or inner edge until the extremities are approximately as thick as the pen barrel (Fig. 2). These shaped places provide recesses in which the protrusions 14, 15 ofl a lever .supporting spring 16 bear to maintain the lever in its proper resting position (Fig. 2) when the dual reservoir 2 is fully distended. 'i
It is not necessary for the protrusions' 14, 15 to lit the recesses adjacent to the ends 12, 13 exactly. They need only to bear against the ends of the lever 10 thus keeping the latter level in its slot 7. Either end of the lever may be depressed in the slot 7 Vby the thumb nail, depending on whether vit is desired to compressrboth reservoirs 3, 4'prior to lling (Fig. 3), or only the auxiliary reservoir 4 (Fig. 4) in order to discharge the contents into the main reservoir 3. The lever 10 thus becomes the selecting means by which either all or only one of the reservoirs is compressed. These actions involve the use of a lug 17 on the yexposed edge of the lever 10, which is adapted to be engaged by the thumb nail to slide the4 lever 10 in one or the other direction preparatory to exercising the required pressure on the inlr sac.
It is observed vthat the protrusions 14, 15 are bent into format the ends of a slot 18 in the spring 16. The spring is slit and parts of the metal are bent up into the shape of protrusions. The ends 12, 13 of the lever l0 work in the slot either for the simultaneous compression of the two reservoirs 3, 4 (Fig. 3) or the compression of only the reservoir 4 (Fig. 4). Y
That end of the spring 16 adjacent to the slot 18 has an arm 19 which carri-es a circular yoke 20 (Fig. 6) which lits the pen barrel thus to establish an adequate support not only Vfor the spring 16 but the entire inner component of the compressor mechanism 6. This inner' component consists of the spring 16, already mentioned,faJ main presser strip 21 and an auxiliary presser strip 22. The purpose of the strip 21 is to compress the main reservoir 3, while the purpose of the strip 22 isto compress the auxiliary reservoir 4.
The main presser strip 21 is riveted or otherwise secured at one end to the spring 16 as at 23. The other end has a bifurcation 24 (Fig. 7 )l to the insides of which ears 25 (Fig. V8) of the auxiliary presser strip 22 are pivoted, the approximate extent of pivotalmotion of one strip to the other is shown in Figure 4. A transverse groove 26 stamped in or struck across the main presser strip 21 prior to .furcating the adjacent end permits of easier manufacture of the presser strip, especially as it may be desired to have the upper e strip made slightly higher than the Vflat portion yin the immediate re ion of a slot 27 in the presser strip. The ends 12, 13 of the lever 10 pass into this slot during the Working of the lever 10 as seen in Figures 3 and 4.
One end of the auxiliary presser strip 22 is bent up at 29 to provide a rest which bears against the under side of the lever supporting spring 16 (Fig. 2) and tends to relieve the auxiliary reservoir 4 of the weight and pressure. This rest is part of a reduced end V30 of the auxiliary strip 22 (Fig. 8) which is adapted to swing between the furcations 24 to a slight extent (Fig. 4). The opposite end of the strip22 is forked at 31 (Fig. 8), and at the inner end of the forl there is a stop 32 with the opposite sides of which the lever ends 12, 13 are adapted to engage (Figs. 3 and 4) to limit the swinging or raising movement of the lever 10.
A depression 28 stamped from the material of the strip 21 at one end ofthe slot 27 extends into the'forl; 31 under the circumstances in Figures 2 and 3. The end of this depression clears the adjacent stop32 of the strip 22; The purpose of this depression is to enable theuse 0f a shorter lever stop 32 thanv wouldotherwise be possible. Another effect of this depression is a greater capacity of reservoirs 3, 4.
This is easily understood. The lever 10 i must clear the stop 32 while in its resting position (Fig. 2), but when the lever 10 is swung in one or the other direction (Figs. 3 and 4) its ends 12, 13 must engage one or the other side of the stop. If the strip 21 were left perfectly straight up to the point of the stop 32 it follows that the latter would have to be longer in order to be in a position where the ends 12, 13 can engage it. By depressing the `strip at 28 the stop 32 is in effect reduced to a lower location, enabling the spring 16 to move the main presser strip 21 farther out toward the lever 10 (Fig. 2) and thus making possible a greater capacity of the ink reservoirs 3, 4.
Thus far the operation of the compressor mechanism isreadily understood. Consider the position in Figure 2 and assume that it is desired to refill the ink sac 2. The thumb nail of the right hand is placed edge-on against the lever 10 at a point near the end 12 and pressedin. This raises the end 13 above the surface of the barrel 1. The-thumb nail is then slid along the lever 10 until it comes in contact `with the lug 17, whereupon a continued push will slide the lever over the pin Qbyvirtue of the slot 11 until the pin occupies the front end of the slot.'
t is now an easy matter to raise the end 12 with the fore finger of theright hand, using the pin 9 asa pivot, until the position in Figure 3 is assumed. Y The lever end 12 rides against the Vmain presser strip 21, and Vsince the auxiliary strip 22 cannot move by virtue of bearing against the bridge portion 33 between the bifurcation 24 and slot 27, the result is a simultaneous depression of both reservoirs 3, 4 (Fig. 3). The pen point 34 (Fig. 1) is now dipped into the ink, and upon a motion of the lever` to its original position, by which a release of the dual reservoir 2 is effected, ink will be drawn in.
Upon desiring to transfer the contents ofl the auxiliary reservoir 4 into the main reservoir 3 the foregoing operation of the lever 10 is reversed. The end 13 is now first pressed in so that the lever can be slid until the pin 9 occupies the other end of the slot 11, whereupon the lever is turned (Fig. 4) so that the end 13 rides against the auxiliary presser strip 22 and turns that independently of the main strip 21. Pressure is applied to the reservoir 4 only with the result that the ink is emptied into the main reservoir 3.
The construction of the ink sac is an important factor of the invention. It has been found that the making of the constriction 5 by molding is virtually impossible, or at best so difficult as to make the cost prohibitive. The alternate choice is to take a tubular ink sac and vulcanize it together at a designated spot so as to produce the constriction. This has the disadvantage of spreading or flaring the sides of the sac so that insertion into the barrel 1 becomes diilic'ult.
The remedy consists of initially moldingl the sac 2 with a slight constriction 35 (Fig. 10). This is easily accomplished; The constriction 35 is then pressed down and acted upon by an appropriate vulcanizing instrun ment so that a vulcanized spot 36 (Fig. 11) is produced. rI`he attendant spreading of the constriction 35 is kept within the bounds of the cylindrical sac 2A (Fig. 11) so that there will be no difficulty whatever in inserting the sac in the barrel 1.
The vulcanizing is done in such a manner that one or more ducts 37 (Figs. 5 and 12) are produced. It is through these that the ink ink iows from tnc reservoir to the other. rIhe vulcanized spot 36 (Fig. 11) is to be identified as the constriction 5 (Fig. 2), and according to the position of the compressor mechanism 6 it will be seen that the latter can be worked without in any way interfering with the constriction 5 or, more especially, with the ducts 37.
It is obvious that a numberof possible variations of the fundamental idea may be carried out in practice. For instance, instead of producing the ink duct or ducts 37 by vulcanization it is possible to use a metal clip to hold the two walls of the sac together, forming either one or two ducts as desired. Or, instead of vulcanizing the walls together, Jhey might be cemented tovequally good efect.
The important thing is to form the ink channels or ducts 37 by holding the opposite walls of the sac together in such a way as to form one or more connectingchannels between the mam and auxiliary reservoirs.
Each duct must be of suiiciently small cross sectionsothatthe surface tension of the. ink will'be great enough` to prevent its flowing out of the auxiliary reservoir until forced out byLthe presser strip; y f
While theconstruction and arrangement of the ,improved fountain pen is that of a generally preferred form, obviously modifi cations and changes may be made without departing from thespirit of the invention or the scope ofthe claims. Y Y
I claim Y 1. A fountain pen having abarrel with an opening,l resilient means having means providing its support inithevbarrel, a pair of connected pressers of which one is joined with the free end of the resilient means, an ink sa'c consistingofafpair of connected reservoirs situated between the pressers and a wall of the barrel, and means mounted to turn in the opening to engage either one or the vother of the pressers" respectively to compress both reservoirs or only one reservoir.
2. A'fountain pen having a'barrel with an opening, resilient means mounted in the barrel, a pair of connected pressers of which one is joined with the free end of the resilient.
means,va pair of connected reservoirs which th-e respective pressers are adapted to act upon, and means operating in' the opening with sliding andl turning motions to'reach and! actuatel either one'or the other ofthe pressers. Y f
3.- A fountainpen having a barrel, a plurality 4of'connected reservoirs, an equal plurality of connected 'pressers' for the respective izo reservoirs, and a single lever movable into a plurality of positionsVv for producing a cumulative action of thepressers against the reservoirs or only a single action of one of the pressers against the i respective reservoir.
4. A fountain pen having a barrel with an n opening, a pin associated with the opening, a plurality of ink reservoirs in the barrel, connected pressers movably supported in the barreladjacentto the reservoirs, and a lever occupying the opening having a slot receiving the pin to enable diverse movements and turning motions whereby to engage the oppo site-ends of the leverfwith one or the other of the pressers for either a cumulative or single compressing action. s
5. Compressor mechanism for fountain pens comprising a reservoir presser, an 'actu-V p ating lever movably mountable in the opening of a presser, said lever having an end reduced to provide a recess, and resilient means for yieldably supporting the presser, said means having a protru'sion for engaging in said recess against said end to maintain the lever in a normally nested positionin theopening.
6. Compressor mechanism for fountain pen barrel for operating upon the v pens comprising a main reservoir presser, an auxiliary reservoir presser connected theref -With and having a stop, means by Which the main presser is movably mounted in a pen barrel having an opening, and a lever swingable in either of tvvo directions through said opening to actuate one orl the other of the pressers for a compressing action, the swing-v ing of said lever being limited by engagement with opposite sides of said stop. f Y
ompressor mechanism for fountain pens comprising a pair of connected pressers, resilient means with Which one ofthe pressers is connected, being mountable in a pen barrel, and a rest on one of the pressers to engage a portion of the resilient means when the latter is in a relaxed position.
8. A compressor mechanism for fountain pens comprising a slotted'lever mountable upon a pin adjoining an opening in a pen barrel, a pair of connected pressers :against either of which the respective ends of the lever are movable, a lug on the lever to receive sliding pressure preparatory to a turn# ing motion on the lever for the operation of either presser, and resilient means With Which one of the pressers is connected for the support of both pressers said means having protrusions normallybearing against the opposite ends of the lever to maintain its position.
9. A dual reservoir comprising a tubular sac having a portion of the Walls secured together to define a reduced fluid duct.
- 10. The herein described process consisting of slightly constricting a portion of a tubular sac, `oressing the constriction together, and vulcanizing the Walls of the constriction together at theJ pressure point thus to produce a reduced duct. Y
CHARLES E. KLAUS.
US457031A 1930-05-29 1930-05-29 Fountain pen Expired - Lifetime US1845287A (en)

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