US1570026A

US1570026A - Fountain pen

Info

Publication number: US1570026A
Application number: US757678A
Authority: US
Inventors: Frank E Adamson
Original assignee: Individual
Current assignee: Individual
Priority date: 1924-12-23
Filing date: 1924-12-23
Publication date: 1926-01-19
Anticipated expiration: 1943-01-19

Description

Jan. 19 1926. 1,570,026

F.E.ADAMSON ,FOUNTAIN PEN Filed Dec. 25, 1924 Patented Jan. 19, 1926.

PATENT OFFICE.

FRANK E. ADAMSON, OF GREENVILLE, ILLINOIS.

FOUNTAIN 4 PEN.

Application filed December 23, 1924. -Serial No. 757,678.

To all whom it may concern:

Be it known that l, FRANK' E. ADAMsoN, a citizen of the United States, residing at Greenville, in the county of Bond and State of illinois, have invented certain new and useful Improvements in a Fountain Pen, of which theV following isla specific-ation.

rl`his invention relates to improvements in fountain pens and has for its primary' object to provide a reserve ink supply in connection with the fountain pen, means being provided for cutting off the supply of the ink from the reserve reservoir while the main ink reservoir is in use.

A further object of the invention is to provide a fountain pen of the above mentioned character, wherein the person using the fountain penl Will be given a Warning that the ink in the main reservoir has beenV entirely consumed, thus necessitating the refilling of the fountain pen, the provision of the auxiliary or reserve ink lreservoir enabling the person to continue to use the pen until such time is had to refill the fountain pen.

A further object is to provide a fountain pen of the above mentioned character, wherein means is provided for permitting the refilling of' both the main and reserve ink reservoirs by a single filling operation, thus saving considerable time and labor.

A still further object of the invention is to provide a fountain pen of the above mentioned character, which is simple in construction, inexpensive, strong and durable `and furthermore adapted for the purposes for which it is designated. l Y

Other objects and advantages of this invention will becomeapparent during the course of the following description.

In the accompanying drawing forming a part of this specification and' in which like numerals designate like parts throughout the same:

Figure l is a longitudinal sectional View o f the fountain pen embodying my invention. t

Figure 2 is a fragmentary detail of the rotatable head section, the feed bar, the stopper and the nipple, showing the same 1n assembled relation.

Figure 3 is a sectional view taken on line 3 3 of F1gure 1.

Figure 4 is a similar section taken on line 4-4 of Figure l. i

Figure 5 is a section taken on line 5 5 of Figure l.

Figure 6 is a sectional view 'taken approximately on line 6 -6 of Figure 1, and

Figure 7 is a side elevation of thestopper.

In the drawing, wherein for the purpose of illustration is shown the preferred embodiment of my invention, the numeral l designates the barrel of my improved fountain pen7 the forward end thereof being open. A head 2 is supported in the forward end of the barrel. The head is pro* videdwith an internally threaded enlarged bore 3 which extends forwardly from the inner end. of the head and terminates at a point adjacent the forward end of the head as is more clearly illustrated in Figure 1. The forward end of the enlarged bore 3 communicates with a smaller bore 4 which extends through the forward end of the head 2. A feed bar 5 of the usual construction extends through the restricted bore 4C and is adapted for rotation therein. The pen point 6 is associated Withthe feed bar 5 in the usual manner and the feed bar is provided with a conduit 7 whereby ink ma be supplied to the pen in a manner also we 1 known in the l-art. A knurled sleeve 8 is associated with the feed bar 5 and is disposed adjacent the forward end of the head 2 and provides a means for rotating the feed bar in a manner to be presently apparent.

An outer main ink reservoir or tube 9 is disposed Within the barrel l, the open end thereof fitting around the inner end 10 of the head 2 which is disposed Within the foriary or reserve ink reservoir or tubet13.A vThe auxlliary orreserve lnk reservoir 13 1s disposed within the forward portion of the main ink reservoir or tube 9 and is of a diameter less than the diameter of the outer reservoir. This'construction is also clearly illustrated in Figure 1.

The nipple 11 is provided with an ink passage 14 which also extends through the extension 12 and has communication with the reserve ink reservoir or tube 18. The nipple 11 is further provided with the opposed ink passages 15 whereby communication with the main ink reservoir or tube 9 is obtained.

A plug or stopper 16 is threaded within the threaded bore 3 of the head 2. The opposetl sides of the stopper are flattened as clearly illustrated in Figure 'i'. A diametrically extending rib 1T is formed on the front face of the stopper and is received in a slot 1S provided therefor in the inner end of the, feed bar This permit-s the stopper to be actuated simultaneous with the rotation of the feed bar 5. A packing 19 is provided for preventing leakage of the ink through the head 2, the packing being carried by the inner end of the feed bar.

The rib 17 is arranged within the slot 1S in such a manner as not to interfere with the flow of the ink to the conduit 7 in the` feed bar 5. A tip 2O is formed on the rear end of the stopper 16 and cooperates with the passage 12 provided in the nipple 11 in a manner to be presently described.

vWith the ink reservoirs filled, the stopper 16 is positioned within the threaded bore of the head 2 so that the tip 20 fits over the forward end of the passage 12 in the nipple 11 whereby the ink in the reserve reservoir 13 will not be discharged therefrom. The flattened sides of the stopper 16 will afford a communication between the passages 15 in the nipple 11 and the passage 7 in the feed bar 5. This will enable ink to flow from the main reservoir to the pen point. "When all of the ink within the main reservoir 9 has been consumed, the user of the pen will at once be warned of the fact, but in order to continue the use of the en without necessitating the immediate refilling of the main reservoir, the person using the pen merely turns the sleeve 8 which is associated with the feed bar 5 in one direction so that the stopper 16 will be rotated within the threaded bore of the head 2 and moved forwardly until the tip 20 is out of engagement with the passage 12, thereby permitting the ink in the reserve reservoir to be dispensed therefrom through the nipple, around the sides of the stopper, and through the feed bar to the pen point.

When the stopper is in the last mentioned position, the fountain pen may then be refilled in the manner well known in the art, the main reservoir as well as the reserve reservoir which is disposed within the main reservoir being adapted to be filled simultaneously durmg a single filling action. After the fountain pen has been refilled, the sleeve 8 is rotated in reverse direction whereupon the stopper 16 is returned to its normal position so that the tip 2O will again be disposed over the passage 12 in the nipple 11 and prevent the ink within the reserve reservoir from being disposed there from before all of the ink within the main reservoir has been consumed.

The provision of the fountain pen of the above mentioned character, will enable the same to be used for a predetermined length of time after the ink in the main supply reservoir has been consumed. Furthermore, the construction of my fountain pen is such as to permit the several parts .to be readily disassembled for cleaning purposes.

While I have shown the preferred embodiment of my invention, it is to be understood that various changes in the size, shape and arrangement of parts may be resorted to without departing from the spirit of the invention and the scpe of the appended claims.

Having thus described the invention, what l claim is 1. A fountain pen comprising a barrel, a head mounted in the forward end thereof, a feed bar carried by said head, an outer ink reservoir, an inner ink reservoir in said barrel, a nipple supported in said head and having ink passages communicating with the outer and inner reservoirs respectively, and means for normally cutting ofl" the supply of ink from the inner reservoir to said feed bar.

2. A fountain pen comprising a barrel, a head mounted in the forward end thereof, a feed bar carried by said head, an outer ink reservoir, an inner ink reservoir in said barrel, :i nipple supported in said head and having ink passages communicating with the outer and inner reservoirs respectively, means for normally cutting off the supply of ink from the inner reservoir to said feed bar, and additional means for actuating the aforementioned means whereby the ink passage in the nipple for the inner reservoir may communicate with the feed bar when the outer ink reservoir is empty.

23. A fountain pen comprising a barrel, a head mounted in the forward end thereof, a feed bar carried by said head, an outer ink reservoir, an inner ink reservoir in said barrel, a nipple supported in said head and having ink passages communicating with the outer and inner reservoirs respectively, means for normally cutting off the suppl of ink from the inner reservoir to said feed ar, said means comprising a stopper mounted in said head and rovided with flattened sides, said stopper a apted to extend over the ink passage in the nipple for the inner ink reservoir. the flattened sides of said stopper providing a communication between the main ink reservoir and said feed bar.

4. A fountain pen comprising a barrel, a head mounted in the forward end thereof, a feed bar carried by said head, an outer ink lll() reservoir, an inner ink reservoir in said barrel, a nipple supported in said head and having ink passages communicating with the outer and inner reservoirs respectively, means'fornormally cutting off the suppl of ink from the inner reservoir to said feed ar, said means comprising a stopper mounted in said head and provided with flattened sides, said stopper adapted to extend over the ink passage in the nipple for the inner ink reservoir, the flattened sides of said stopper providing a communication between the main ink reservoir and said feed bar, and means associated with said feed bar for actuating the stopper whereby the same is moved out of engagelnent with the opening in the nipple communicating with kthe inner ink reservoir to permit the ink to flow from the inner reservoir around the fiattened. sides of the stopper to the feed bar.

5. A fountain pen comprising a barrel, a head mounted in the forward endthereof, said head being provided with an enlarged internally threaded bore communicating with a smaller bore formed in the forward end of the head, a feed lbar extending through said smaller bore and adapted for rotation therein, a main ink reservoir in said barrel, a reserve ink reservoir disposed within the forward portion of the main ink reservoir, a nipple threaded in the inner end of the enlarged threaded bore, said nipple having ink passages communicating with the main and reserve ink reservoirs respectively, a sto per threaded in said bore, the forward en thereof being secured to the i inner end of said feed bar adapted for rotation therewith, said stopper having its sides flattened to provide an ink assa e communicating at its forward end with sald feed bar, and normally at its opposite end with the ink passages in said nipple provided for the main ink reservoir, the rear end of said stopper being normally disposed over the ink passage in the nipple provided for the ink reservoir, and means for rotating said feed bar and said stopper whereby the stopper is moved out of engagement with the passage for said reserve ink reservoir to permit the ink in the reserve reservoir to flow to the feed bar when the main ink reservoir is empty.

6. A fountain pen comprising a barrel, a head mounted in the forward end thereof, said head being provided with an enlarged internally threaded bore communicating with a smaller bore formed 'in the forward end of the head. a feed bar extending through said smaller bore and adapted for rotation therein, a main ink reservoir in said barrel, a reserve ink reservoir disposed within the forward portion of the main ink reservoir, a nipple threaded in the inner end of the enlarged threaded bore, said nipple having ink passages communicating with the main and reserve ink reservoirs respectively, a stopper threaded in said bore, the forward end thereof being secured to the inner end of said feed bar adapted for rotation therewith, said stopper having its sides flattened to provide an ink passage communicating at its forward end with said feed bar, and norf mally at its opposite end with the ink passages in said nipple provided for the main ink reservoir, the rear end of said stopper being normally disposed over the ink passage in the nipple provided for the ink reservoir, means for rotating said feed bar and said stopper whereby the stopper is moved out of engagement with the passage for said reserve* ink reservoir to permit the ink in the reserve reservoir to flow to the feed bar when the main ink reservoir is empty, said means comprising a sleeve carried by the feed bar adjacent the forward end of said head.

In testimony whereof I ailix my signature.

FRANK E. ADAMSON.