|Publication number||US2637466 A|
|Publication date||May 5, 1953|
|Filing date||Apr 12, 1949|
|Priority date||Apr 12, 1949|
|Publication number||US 2637466 A, US 2637466A, US-A-2637466, US2637466 A, US2637466A|
|Inventors||Wright Donald C|
|Original Assignee||Wright Donald C|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (24), Referenced by (20), Classifications (11)|
|External Links: USPTO, USPTO Assignment, Espacenet|
2 SHEETS-SHEET l INVENTOR. Donald (1 Mfr 72 726 May 5; 1953 D. c. WRIGHT POCKET MARKING PENL Filed April 12, 1949 ATTCI RN EYE M y 5, 1953 D. c. WRIGHT 2,637,466
POCKET MARKING PEN Filed April 12, 1949 2 SHEETS-SHEET 2 INVENTOR.
flan add 6. Wright ATTEI RN EYE Patented May 5, 1953 UNITED STATES *PATENT OFFICE 2 Claims.
The present invention relates to implements of the fountain pen type, and more specifically to improvements in pocket marking pens employing cartridges of ink for automatically filling and re-filling the implement, and utilizing either a felt strip for marking, or a brush for stenciling. The primary purpose of the invention is the provision of a hand implement of this character that may easily be manipulated in the process of replenishing an exhausted ink supply, without wasting or leakage of the writing fluid, and the feed of the ink is automatically governed and regulated by manual pressure to insure the correct and desired flow of ink to the marker. The marker, which is of usual size for pocket use includes a minimum number of parts that may be manufactured from suitable materials withlow cost of production, and theparts may be assembled with convenience to assure a durable, clean and sanitary hand implement, that is efficient in the performance of its required functions.
The invention consists in certain novel features of construction and combinations and arrangements of parts as will hereinafter be described and more particularly pointed out in the appended claims.
In the accompanying drawings I have illustrated one complete example and a modified form of the invention in which the parts are combined and arranged in accord with modes I have devised for the practical application of the principles of the invention. It will however be understood that changes and alterations are contemplated and may-be made in these exemplifying drawings and mechanical structures, within the scope of my claims, without departing from the principles of the invention.
Figure 1 is a vertical sectional view of a marker in which my invention is embodied, showing the ink cartridge closed; and Figure 2 is a similar view with the cartridge opened and performing the functions of an ink reservoir for the marker.
Figure 3 is a detail sectional view of the feed tube, detached; and Figure 4 is a cross sectional view at line 4-4 of Fig. 2.
Figure 5 is a vertical sectional view of a modified form of the invention, utilizing a brush, with the ink vial or cartridge in position to be opened; and Figure 6 is a similar view with the cartridge opened and the fountain brush ready for use; and Figure 7 is a sectional view at line l-l of Fig. 6.
For use with the implement, in filling and refilling, a supply of ink is contained in an inverted cartridge or vial I having a reduced neck 2 and exterior collar 3, and a removable stopper 4 of cork or other suitable material closes the cartridge, which, when opened, becomes the reservoir for the implement. When the reservoir becomes exhausted the empty cartridge is removed and afresh cartridge is substituted for the empty one.
The cartridge is initially inserted within a barrel or cap sleeve. 5 having a closed end (Land the lower open end of the cap sleeve, or handle, is internally threaded for engagement with an externally threaded collar 1 integral with a round or circular head 8, which is provided with a central countersunk bore forming a feed duct 9. Within the counterbore of the head a feed tube I0 is mounted to project slightly beyond the rim of the collar 1, and the tube terminates in a head I I having radial ports, as I2. I
Between the head ll of the tube and the face of head 8 a bushing [3 of elastic material is mounted on the feed tube, and it will be seen that in Fig. 1 when the cap sleeve is screwed down upon the threaded collar 1 the stopper impinges on the head H, and continued move! ment in attaching the cap sleeve to head 8 re-. sults in pushing the stopper throughthe neck of the cartridge. The cartridge, with its un seated stopper, thus becomes the reservoir for ink, as indicated in Fig. 2, and the ink may flow through ports l2 and the feed tube l0 downwardly, while the elastic bushing l3 and the surrounding neck of the cartridge seal the lower end of the reservoir against leakage of th writing fluid.
Should the stopper become seated on top of the head of the feed tube, the ink is permitted 'to flow through the ports l2 into the tube, thence through the duct 9 in the head or adapter 8 to provide a continuous supply of the writing fluid.
The lower end of the head 8 is externally threaded, and a nozzle it having a threaded sleeve I5 is screwed upon the head or adapter to form a feed chamber from which the flow of ink is controlled to the flexible marker [6, of felt or other suitable material.
The replaceable marker is mounted in a holder carried Within the nozzle, and the inner portion of the holder forms a tapered plug valve I! that terminates in a tubular socket member [8 in which the upper end of the felt marker is secured.
For coaction with the valve 11, the nozzle is provided with an interior valve seat l9, and the valve is resiliently held to its seat by means of a spring 20 located in a recess 21 of the adapter and bearing upon the face of the valve.
From this disclosure and description it will be apparent that the flow of ink from the chamber within the nozzle may readily be controlled by manipulation of the implement and the action of the marker on the spring pressed valve.
In Figs. 5 and 6, the implement is provided with a brush B in lieu of the felt marker, and the cartridge enclosed within the cap sleeve or handle 5 forms the reservoir for supplying ink to the brush.
In this modified form of the invention, the adapter or head 22 has an externally threaded collar 23 and a ring gasket 24, and the open end of the cap sleeve is provided with a fixed screw ring 25 for engagement with the threaded collar, and an annular groove forms an inner stop rib 26 for the ring within the cap sleeve.
The stopper 4 of the cartridge initially rests upon the upper end of a central feed tube 21, having a flange 2s seated on the gasket 24 on head 22 and an upper flange or head 29 provided with ports 39, and through these ports the ink flows to the interior of the feed tube. The feed tube surrounds an annular series of ports 3% in the head, and when in operative position, the neck of the cartridge surrounds and seals a bushing32 of elastic material against leakage of ink from the reservoir.
On the under face of the head 22, and within the annular series of ports 3!, the head is fashioned with an integral rounded boss or valve 33, and concentric with this valve the head is provided with a spaced externally threaded collar or nipple 34 for coaction with a flanged coupling nut 35 by means of which the brush head 36 is coupled to the head or adapter. For this purpose the brush head is equipped with a tubular feed stem 37 that is externally threaded for ooaction with the coupling nut 35, and a tension spring 38 is located between the nut and the brush head.
By turning the brush head in one direction a seat 39 of the stem 31 is backed away from the boss or valve 33 to open the seat for feeding ink; and by turning the brush head in the opposite direction the valve or boss closes the seat to cut oil the feed of ink.
Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent is:
1. In a i'ountainpen, the combination with a head having a central feed tube terminating in an enlarged head having radial openings, a bushing of elastic material surrounding the tube,
and an externally threaded spaced and concentric collar forming a chamber about the bushing, of a rigid hollow ink cartridge having a reduced neck, a removable stopper seated in the neck and resting on the enlarged head, and a cap sleeve having an internally threaded end for screwing on the collar.
2. In a fountain pen the combination comprising an inverted cartridge having a reduced neck, an annular collar on the outer edge of the neck, a removable stopper in the neck and a sleeve having a closed end and an open end into which the cartridge is inserted, a head having a central feed duct connected to the open end of the sleeve, a feed tube in the feed duct, a head on the tube having radial ports, a bushing of elastic material on the tube below the head thereon, so that when the head on the feed tube is engaged with the stopper and pressure is applied to said feed tube said stopper will be moved out of said neck and said bushing will enter said neck for the sealing thereof.
DONALD C. WRIGHT.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 257,312 Gaynor et al May 2, 1882 322,123 Oyarbide July 14, 18.85 492,608 Kratz Feb. 28, 1892 545,351 Durafort Aug. 27, 1895 618,845 Crosby Feb. '7, 1899 1,044,996 Cuthbertson Nov. 19, 1912 1,188,971 Miller June 27, 1916 1,235,060 Schaff July 31, 1917 1,325,002 Critchlow Dec. 16, 1919 1,580,070 Muller Apr. 6, 1926 1,637,841 Wellman et a1 Aug. 2, 1927 1,682,890 Creveling Sept. 4, 1928 1,819,415 Harris Aug. 18, 1931 1,857,467 Marsh May 10, 1932 2,029,152 Bonkowski Jan. 28, 1936 2,097,266 Vosbikian Oct. 26, 1937 2,164,995 Botts July 4, 1939 2,228,213 Hillsberry Jan. 7, 1941 2,347,010 Ward Apr. 18, 1944 FOREIGN PATENTS Number Country Date 170,721 Germany May 12, 1906 321,847 Germany June 15, 1920 260,166 Great Britain Oct. 28, 1926 453,635 Great Britain Sept. 15, 1936 674,850 Germany Apr. 24, 1939
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|US20150023719 *||Feb 27, 2013||Jan 22, 2015||Jurgen Feuerstein||Application tool|
|U.S. Classification||222/80, 222/514, 222/83.5, 401/132, 222/183, 401/206, 401/134|
|International Classification||B43K5/18, B43K5/00|