US1381571A - Fountain-pen - Google Patents

Description

F. H. LENNARDS.

FOUNTAIN PEN.

APPLICATION FILED SEPT. 29, I919.

Patented June 14, 1921.

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FRANK H. LENNARDS, OF EVANS-TON, ILLINOIS.

FOUNTAIN-PEN.

Application filed September 29, 1919.

' and exact description, reference being had to the accompanylng drawings, forming a part of this specification.

My invention relates to pens and more partlcularly to fountain pens whose general construction is similar to those now in extensive use.

It is an object of the invention to provide a pen of the character set forth which is adapted to receive orhold ordinary steel pens of any design so that the writer may choose the pen best adapted for the purpose at hand and insert said pen into the holder in the same manner that. pens are inserted into ordinary pen holders. When it is desired to do a diflerent class of work which requires a different pen point it is only necessary to change the pen for one adapted to do the work at hand. Heretofore it was impossible, without a great deal of work, to change the pen points of fountain pens. In

Y view of this it was necessary for a person to have on hand not only his fountain pen but a set of other pens which were adapted for special classes of work.

It is a further object of the inventionto provide a device of the character set forth which may be usedin connection with fountain pens of ordinary construction or may be used on the self-filling or automatic refilling pens. V I Another object of the invention is to provide a fountain pen of the character set forth in which the ink feeding device may be readily adjusted longitudinally in the pen so that it may be accommodated for use with pens of various lengths.

Other objects of the invention will be apparent from the following detailed description of the device disclosed in the drawings accompanying this specification. In this specification and in the drawings I have disclosed one form which my invention may take, which form is the best known to me at the present time. Howevenit is to be understood that by this specification and the accompanying drawings I do not intend to Specification of Letters Patent.

Patented June 14, 1921.

Serial No. 327,298.

limit myself to the specific construction disclosed as modifications of the specific structure may be required in the manufacture thereof or may occur to those skilled in this art. The real nature and scope of theinventlon disclosed is to be determined from the clalms appended to this specification.

In the drawings accompanying this specification I have shown one form which my invention may take. Throughout the several views of the drawings the same reference characters have been used to designate the same parts.

In the drawings- Figure 1 is a longltudinal sectional View through the complete fountain pen; I Fig. 2 1s a plan View of the writing end of the pen looking upwardly in Fig. l;

Fig. 3 is a cross section on linef3, 3 of Fig. 1;

Fig. 4 is a top plan view of the main ink feeding device;

. Fig. 5 is a plan view of the cover plate for the ink feeding device; and

Fig. 6 is a longitudinal section through the pen point and the feeding device showing on a large scale the cooperation between these two parts. i V The reference numeral 10 indicates the usual barrel portion of the. pen while numerals l1 and 12 indicate respectively the neck portion and the cap therefor. The neck portion 11 is joined to the barrel 10 by means of the usual screw threaded portion 13 which engages corresponding. threads on the inside of the cap portion 12. y y I Extending through the neck portion 11 is a round opening whose rearportion 15 is of smaller diameter than its front portion 16. Extending through the neck and engaging the rear portion 15 of the opening through the neck with a tight but sliding fit is a tubular member 17 which has extending therethrough throughout its length a circular bore 18 through which ink may be fed to the pen. The tubular member 17 is provided with an enlarged head 19 which may be grasped by the fingers in order to move the member 17 backwardly and fortends into the ink chamber of the pen as shown in Fig. 1. When a self-filling or automatic refilling pen is desired the flexible rubber tube which contains the ink is stretched around the head 19 so that the ink is contained within this tube andthe bore 18. Any suitable means may be provided for collapsing the tube 20.- In the drawings I haveshown a U-shaped spring member 21 which is riveted to the barrel 10 by means of rivets 22. Adjacent the member 21 is a flat spring member 23 whichhas one of its endssecured to the barrel by means of rivets 2 1. Extending from the spring member is a projection 25 which e'x-r tends outwardly through an opening inthe barrel. By pressing on the projection 25 7 pen in position and permitting its 'withdrawal. 1 V

Extending into the other portion of the bore 18 is the ink feeding member 29. That portion of the member '29 which extends beyond the tubular member 17 is thin'and flexiblev The member 29 is usually made of celluloid but it will be very apparent that any material such as brass or any other metal which willpossess the proper flexi bility may be used instead of celluloid. Extending along the'top'side of the feeding member. 29 is the ink feeding groove 31,

This groove extends approximately to the end of the feeding member as will be clear from Fig. 1. Positioned on top of thefeeding member 29 is a covering member 32 which is usually in the form ofa thin sheet of cel luloid but may be of metal or any other flexible material as. pointed out above. Those portions of the members 29 and 30 which extend into the bore 18 are shaped as shown'in Fig; 3 so that ink cannot escape from the bore except through the groove or "passage'31. Very slight openings occur at 37 at the sides of the ink feeding member 29,alongthe edges of the'cover member 32.

7 These openings admit the air necessary to cause the ink to flow freely through the groove 31. Some air will also necessarily pass between the members 29 and 32 and up through the groove 31. At its forward end the cover member 32 is provided with an opening 33 and. extending forwardly from thisopening is a small groove ordepressed portion 34 which fits into a shallow groove 38 at the end of the member 29. The opening 33 opens out against the pen point 28 and ink passes from the groove 31 through the opening 33 and down in the gr0ove'34 from which point .it will move down to the point of the pen during the writing operation. No ink passes through the groove 38 belowthe member 32 and the end of member 32 beyond the opening 33 may be cemented to the end of member 29 beyond the end of groove 31 if so desired. This cementing is not really necessary as the pen point holds the end *ofthe member 32 tightly against member 29. The cover member 32 will'preferably be curved over the top of member29 as shown in Fig. 3 sot'hat its edges embrace the sides of the ink feeding memberwitha' snug fit; WVhen so constructed it will, due to its own'resiliency, firmly clamp member 29 and remain in position without additional securing means,

but may be easily removed for cleaning. The cover member 32 is made ofthin material so that although it is U-shaped' in cross section throughout most of its length, it does not interfere with the resilient action of the portion 30 of member '29. The

end'of member 32 which hasithe gr'oove34: is substantially fiat. i

With the construction set forth. above it will be veryiapparent that the pen point 28 may be easily pulled out of and readily inserted into its holder; The portionj30 of the feeding memberbeing flexible will readily accommodate itself to any penpoint that maybe inserted into the holder. If a short pen is used the operator will unscrew the neck portion 11 and adjust tubular mem ber 17 along the opening15 until the feeding member assumes the proper relation with the pen point. This adjustment can be made whetherthe tube 20 is present or'not. When the pen is to be used without the refilling attachment the neck portion will be removed andthe lnk inserted directly into the barrel by means'of an ordinary filler. The openmg forthe projection 25 would, of course, 7

not be present in a pen of thiskind.

By providing the neck portion 11 with the screw threaded extension 14 for receiving the cap I am. enabled to short cap on the pen. In order to prevent the clamping member 26 from pulling out of'the opening 16 provide a depressed portion 35 within the opening as shown in Fig. 1. The clamping member 26 is provided with a projection 36 which engages in the depression 35' to hold the clamping member immovable in "the opening 16. The projedtioir 36 prevents the clamping member from being drawn out use only a .very' when the pen. isremoved andalso prevents "the clamping member from turning in the opening 16. 7

From what has been "described above the construction, operation and use of my device will be apparent to all those skilled in this art.

What I claim as new and desire to secure by United States Letters Patent is:

1. A fountain pen of the character described having a neck portion, means positioned therein for holding a pen point in position and a flexible tube adapted to conform to any pen point adjustable longitudinally in said neck portion for feeding ink to the pen point.

2. A fountain pen of the character described comprising a neck portion, a flexible tubular feeding member adapted to conform to any pen point extending therethrough, means for holding a pen in the neck portion, and means adjustable through said neck portion for adjusting the feeding member along the pen.

3. A fountain pen of the character described comprising a barrel, a neck portion screwed in said barrel, said neck portion having an opening extending therethrough and having a depression therein, a pen clamping member positioned within said neck portion and having a projection thereon adapted to seat in said depression to detachably hold said clamping member, and an ink feeding device projecting through said opening.

4. A fountain pen of the character described comprising a barrel, a neck portion screwed in said barrel, an opening extending through said neck portion and having one section of larger diameter than the other section, said large section having a depression therein, a pen clamping member positioned within said large section and having a projection thereon adapted to seat in said depression to detachably hold said clamping member, a tubular member slidable 1ongitudinally in the smaller section of said opening and an ink feeding device carried by said tubular member.

5. A fountain pen of the character described comprising means to hold a pen point, and means comprising a grooved member and a cover member therefor for feeding ink to said pen point, said feeding means being out of contact with said pen point except at the extremity of the pen point and said cover member being removable to expose the groove in said grooved member.

6. A fountain pen of the character described comprising a pen point, and means for feeding ink to said pen point, said means comprising a flexible feeding member with a groove in one side and a cover member therefor forming between them an ink conducting passage which opens onto said pen point only adjacent the extremity thereof.

7 A fountain pen of the character described comprising a clamping member adapted to accommodate pen points of any construction, and a flexible ink feeding device which is adapted to accommodate itself to pen points of any construction, and to conduct ink to the extremities of said pen points, said device comprising a flexible grooved member and a yieldable cover member therefor.

8. A device of the character described comprising a barrel portion, a neck portion supporting a pen point and having screw threaded engagement with said barrel portion, a flexible tubular member for conveying ink from the barrel to the pen, and means distinct from said tubular member extending beyond the neck portion for adjusting said tubular member relatively to the pen point. r

9. A fountain pen of the character described comprising a pen holder adapted to receive any desired pen point, an ink feeding member having a groove in one of its sides for feeding ink to the pen point, and a cover member shaped to fit the ink feed ing member with a clamping fit, said cover member being removable from the ink feeding member so that the groove of the ink feeding member may be cleaned and having an opening therethrough to conduct the ink to the pen point.

10. A fountain pen of the character described comprising an ink feeding means made of flexible material whereby said feeding means is adapted to accommodate itself to a pen point of any construction, said means comprising a member having a groove extending along one of its sides substantially through the entire length thereof and a cover member positioned over said groove.

11. A fountain pen of the character described comprising an ink feeding means made of flexible material whereby said feeding means is adapted to accommodate itself to a pen point of any construction, said means comprising a member having a groove extending along one of its sides substantially through the entire length thereof, a cover member positioned over said groove,

and provided with an ink feeding opening 7 FRANK H. LENNARDS.

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