|Publication number||US1762554 A|
|Publication date||Jun 10, 1930|
|Filing date||May 23, 1924|
|Priority date||May 23, 1924|
|Publication number||US 1762554 A, US 1762554A, US-A-1762554, US1762554 A, US1762554A|
|Inventors||Hume John R|
|Original Assignee||Hume John R|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (3), Classifications (7)|
|External Links: USPTO, USPTO Assignment, Espacenet|
June 1o, l193.0. J, R HUME 1,762,554
vFOUNTA-IN I PEN Filed May 2s, 1924 MIT.
Patented June 10, 193i) UNITED s'TA JOHN' R. HUME, OF CHICAGO, ILLINOIS FOUNTAIN PEN' Application led Hay 23,
My invention relates to a fountain pen and has for its object to provide an improved and eicient device of this type. v
Fig. 1 is a view of my invention with a 5 part of the closing cap broken away Fig. 2 is a longitudinal sectional view taken on line 2 2 of Fig. 1; A Y
Fig. 3 is an enlarged cross sectional view taken online 3-3 of Fig. 2, and Y Fig. 4 is an enlarged cross sectional view taken on line' 4 4 of Fig. 2;
The preferred form of my'fountain pen comprises a tubular member or shell 8 with an intermediate cross partition9 dividing the 15 interior ofthe shell into two cylindrical chambers extending from said partition in opposite' directions to the two opposite ends' of the tubular'shell. A knurled cap 10 isremovably threaded on one end of the shell and a 0 sleeve 11 with a reduced portion 11. is removably threaded in said cap and carries a pen 13, an ink' feeding channel 12 being provided through said reduced portion. An ink tube 14, preferably of glass, is mounted in Y L5 shell 8 and contains an upper flange 15 resting on the upper edge of said shell and provided with a finger lug 16 which is bevelled at its outer edge to be engaged by the linger nail for withdrawing'the'ink tube from the shell.
30 A pliable gasket or sealing member 17 is interposed between liange 15 011- the ink tube and vthe inner'part of cap 10 to provide a fluid-k tight connection.. Y Preferably, the device further includes a r cap 20 threaded on the other end of shell 8 and 1924. Serial No. 715,275.
11 and head 26 are roughened or knurled to provide a firm grasp for the lingers.
lWhile I have illustrated and described the preferred form of construction for carrying my invention into eil'ect, this is capable of 5:1 variation and modification without departing from the spirit of the invention. '1, therefore, do not wish to be limited to the precise details of construction set forth, but desire to avail myself of such variations and modi- 60 fications as come Within the scope of the appended claim.
-Having described my invention, what I? claim as new and desire to secure by Letters Patent is: 465
In a device of the class described, comprising' a shell having a pen chamber, a screw cap bearing a pen point and provided with an ink ychannel removably mounted on the open end of said pen chamber, the combination there- 7u with of a rigid removable ink tube, open at one end and adapted to be contained in said pen chamber, said ink tube provided with an out turned flange around its open end overlaying the open end of said pen chamber and 'I5 held i'n place by said cap, and a beveled finger lug integral with said ange, substantially as described. l y
In testimony whereof I have signed my name to this specification.
JOHN `R. HUME.
provided with a conical portion or extension l .21 having interior threads 22 and in which operates a stem 23 provided with one or more thread means or lugs 24 movable in said threads 22 for pushing the lead 25 outward in portion 21. The Stem Vis lprovided with a head 26 for operating the stem, and said head and the upper portion of said stem are movable in a sleeve 27 which'lis fastened'in the shell, preferably with webs 27 as shown in Fig. '4, and provides a storage chamber 28 l. between itself and thefinner wall of said shell for storing additional leads 29, as shown also in Fig. 4. The caps 10 and 20, and the sleeve -ioo
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US2964012 *||Apr 5, 1956||Dec 13, 1960||Kahn David Inc||Writing instrument|
|US6428235 *||Mar 9, 2000||Aug 6, 2002||Mitsubishi Pencil Kabushiki Kaisha||Liquid applicator having ink color identification|
|US7070351 *||Mar 14, 2003||Jul 4, 2006||Bic Corporation||Writing instrument with gripping device|
|U.S. Classification||401/249, 401/251, 401/17|
|International Classification||B43K27/02, B43K27/00|