US443017A - Fountain-pen - Google Patents

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US443017A
US443017A US443017DA US443017A US 443017 A US443017 A US 443017A US 443017D A US443017D A US 443017DA US 443017 A US443017 A US 443017A
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pen
feed
fountain
ink
leader
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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
    • B43K5/18Arrangements for feeding the ink to the nibs

Description

(No Model.)
E. TYRRBLL. FOUNTAIN PEN.
No. 443,017. Patented Deo. 16, 1890.
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UNITED STATES PATENT OFFICE.
EDYARD TYRRELL, OF BROOKLYN, NEXY YORK.
FOUNTA|N=PEN.
SPECIFICATION forming part of Letters Patent No. 443,017, dated December 16, 1890. Application iiled July 24, 1890. Serial No. 359,784. (No model.)
To @ZZ whom, t may 0072.007177.:
Be it known that I, EDWARD TYRRELL, a citizen of the United States, and a resident of Brooklyn, in the county of Kings and State of New York, haveinvented certain new and useful Improvements in Fountain-Pens, of which the following` is a specification.
Myinvention relates to the construction of feed-tubes for fountain-pens.
The object of my invention is iirst to provide an air-veut in the feed-tube above the delivery-orifice,therebysecuringamoststeady flow of ink.
Another object of my invention is to provide an adjustable feed-tube that can be moved longitudinallyT and angular-ly in the barrel of the pen and accommodate itself to `different classes of pens.
Another object of my invention is to provide a leader, so as to secure a positive iiow of the ink.
The various features of my invention will be fully set forth in the description of the accompanying drawings, making a part of this specification, iu which- Figure l is a central vertical longitudinal section of my improvement in position for use. Fig. f2 is a top plan view of the feedtube. Fig. 3 is a section on line o x, Fig. 2. Fig. 4 is a modification of Fig. Fig. 5 isa section on line o v, Fig. 4. v
1 represents the barrel of the pen, and the ink-reservoir, which is of ordinary construction.
3 shows the pen-holder inserted in the barrel of the pen.
Fig. 2 shows the preferred form of feedtube, which is provided with a conical or ballshaped boss at. 5 represents the feed-orifice which conveys ink to the pen G. 7 represents an air-vent placed above the feed-orifice 5. S represents an ink leader or conductor. This leader is preferably made of sufficient vertical depth to fill the tube of the feed and narrower in cross-section, as shown in Fig. 3, so that the ink will freely flow on both sides of said leader, which is tapered down and projects forward, resting on the base of the tube below the feed-orifice, which is sufficiently small to allow the ink to ilow around it out of the feedorifice 5. By reason of having the conical or ball-shaped boss 4t this feedtube can be adjusted longitudinally to various angles or positions, as shown in Fig. l, to feed any style or lengt-h of pen. It bears lightly against the pen, and the softest pen may be employed and-a uniform iiow of ink supplied. By means of the vent 7 this uniform iiow is more easily obtained, as the eutrance of the air through the feed-oriiice is avoided. The leader S projects up into the ink in the barrel 2 and serves to conduct it freely down and prevents the liability of the' pen clogging up and secures a uniform flow. This leader, however, may be omitted and still good results be obtained, owing to the air-vent 7.
In Fig. et I have shown another modification, in which the feed-tube is adjustable longit-udinally only, and used when one particular style of pen of different lengths is desired to be employed, as the air-vent 7 will secure a comparative uniform flow or supply of the ink to the pen even without the use of the leader. S! ill a leader improves it when the ink is thick.
Having described my invention, what I claim isl. A feed-tube for a fountain-pen,provided with the conical boss Ll', for adjustably con necting the same to the barrel of the pen, substantially as specified.
2. A feed-tube for a fountain-pen, having the conical boss et and the air-vent 7,pierced in the tube above the delivery-orifice 5, substantially as specified.
A feed-tube fora fountain-pen, provided with the conical boss 4. and the leader 8, projecting up into the barrel of the pen and ter minating under th-e orifice 5, substantially as specified.
In testimony whereof I have hereunto sot my hand.
EDWARD TYRRELL.
Witnesses:
F. H. SAWTELLE, F. C. HESSEN.
US443017D Fountain-pen Expired - Lifetime US443017A (en)

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