US288290A - Paul e - Google Patents

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US288290A US288290DA US288290A US 288290 A US288290 A US 288290A US 288290D A US288290D A US 288290DA US 288290 A US288290 A US 288290A
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    • B43K5/00Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18Arrangements for feeding the ink to the nibs


(No Model.)
rounmm PE N.
No. 288,290. Patented Nov. 13, 1883.
INVENTOR ATTORNEYS N. PETERS. Pholo-Mhographu. Wnlhirxgtcn. D4 0.
SPECIFICATION forming part of Letters Patent No. 288,290, dated November 18, 1883. Application filed March 19, 1 883. (No model.)
T0 at? whom it may concern.-
ful Fountain-Pen, of which the following is a specification, reference being had to the accompanying drawings.
This invention relates to fountain-pens, and has ior its object to provide a simple, inexpensive, durable, and eflicient pen, by which shading can be readily effected in writing, and in which the ink will not corrode or mold.
In the drawings, Figure l is a perspective view of my improved fountain-pen complete. Fig. 2 is a longitudinal sectional view of the same. Fig. 3 is a detail cross-section on the line a as, Fig. 2. Fig. 4 is a detail cross-see tion on the line 3/ Fig. 2. Fig. 5 is a detail cross-section on the line a 2, Fig. 2. Fig. 6 is adetail cross-section on the line 1 1, Fig. 2. Fig. 7 is a detail perspective view of the pen portion separated from the holder and having its nibs closed. Fig. 8 is a similar view, showing the nibs open. I
Referring to the drawings, A designates a tubular holder, which is preferably formed of hard or vulcanized rubber, and provides a rcservoir for holding the supply of ink.
Theholder A is provided with interior screwthreads, 13, at its top end, for the reception of the end (2 of a-screwthreaded cap or plug, D, which latter is provided with an air-vent, E, formed by a perforation extending through the end 0, and arranged to be normally closed.
F F are two partitions that are arranged in the holder A near its end, having the cap D, these partitions being provided with openings G, whereby a safety-chamber, H, is formed between the said partitions, into which globules of ink will escape from the holder and be retained until they are forced back into the latter by atmospheric pressure caused by the opening of the pen.
In the lower end, I, of the holder A is neatly fitted a removable plug, J adapted to be turned in the said end of the holder. This plug J is provided in its inner end with a recess or cavity,K, to receive and retain the sediment of the ink, and is also provided with an ink-channel, L, formed bya perforation extending from its surface inside the holder to a recess, M, in its outer end, which recess is provided with interior screw-threads, N, for purposes that will be presently described. The month 0 of the said channel L, at the surface of the plug J, opens (while the pen is in use) into a longitudinally-disposed groove, P, formed in the interior surface of the tubular holder A, and extending some distance from voir into the channel L, from which it passes to the pen, I provide grooves Q Q in the surface of the plug J, at each side the mouth 0, these grooves being arranged to gradually decrease in depth and width from the said mouth or opening, as shown. By this coi'istruction the flowof ink can be governed by the relative position of the plug J to the groove P. Thus, when the mouth 0 is directly at the groove P, the flow of ink from the latter to the former will be full; but when the plug J is, turned in the end of the holder so that either of the grooves Q Q opens into the groove P, the ink is compelled to flow through the groove. to the mouth 0, and the supply and rapidity of flow are of course governed by the size of the portion of the said grooveQat the groove P. The flow of ink can be entirely shut off by turning the plug J until its grooves Q Q are out of engagement with the groove P.
R isthe pen, which is preferably formed of hard rubber, and is of a cylindrical form,with a tapering point, S, its end T'being formed with screw-threads U, by which it can be secured in the recess M, a space, V, being left of the kerf Z, thus separating the under side or half, B of the pen from the two nibs W X, that comprise the upper side or half, 0 and the point S of the pen.
r The under portion, 13*, of the pen R is provided with a longitudinally disposed, inkchannel, D formed by a perforation that opens into the space V, into which latter the ink flows from the channel in the plug J. At the lower end of the channel D is provided an auxiliary channel, 1?, that is arranged at right angles to the main channel D and opens against the inner surface of one of the nibs, W, as shown at F The points G G of the point S of the pen are to be provided with iridium points, to obviate wear upon the rubber of which the pen R is constructed.
-H is a metallic band or ring. that is arranged to slide on the cylindrical pen B, to force the nibs and the under half together to close the mouth or opening 1? of the channel E", and the springtension secured by the said ring serves to retain the parts of the pen in place.
The operation and advantages of my invention are obvious. The holder A can be filled with ink by simply removing the plug J. When the holder or reservoir is filled, the cappi ece D can be loosened to open its air-vent E and admit air into the reservoir, and in writing the nibs are spread and opened in the usual manner, by which action the valve or mouth IE is opened under one nib and the ink is released to the point of the pen, according to the pressure used in Writing, a light pressure securing a light mark and a heavy pressure securing a heavy or shade mark.
It will be observed that one nib effects the valve action of the mouth F", though both nibs play alike.
I claim 'as my invention- 1. The combination, with the holder or reservoir of a fountain-pen having an interior longitudinallydisposed groove, of a plug'arranged to carry the pen and fitted neatly in the lower end of the holder, so that it can turn therein, the said plug being provided With an elastic pen portion divided into nibs or sections by longitudinal kerfs, one of the sections being provided with an ink-channel having its niouth opening under one of the other nibs or sections, so-that by the spreading of the latter by pressure in writing the mouth is opened to admit of the flow of the ink to the point of the pen, as set forth. 7
3. As an improvement in fountain-pens, the elastic pen portion adapted to be secured or connected with the holder or reservoir, and comprising the two nibs formed by the longitudinal kerf, and a channeled portion separated from the said nibs by a longitudinally-- disposed cross-kerf, and a transverse kerf eX- tending to the latter, the mouth of the channel being arranged under one of the nibs, as set forth.
4. The combination of the holder or reservoir having an interior groove at its bottom, a plug fitting in the bottom end, and provided with a channel having its mouth arranged to open into the interior groove of the holder,
and the elastic pen portion fitted in the said PAUL E. VVIRT.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2598171A (en) * 1948-05-06 1952-05-27 Parker Pen Co Nib for writing pens
US2872899A (en) * 1957-12-02 1959-02-10 Trespalacios Basilio Writing instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2598171A (en) * 1948-05-06 1952-05-27 Parker Pen Co Nib for writing pens
US2872899A (en) * 1957-12-02 1959-02-10 Trespalacios Basilio Writing instrument

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