US2033794A

US2033794A - Writing pen

Info

Publication number: US2033794A
Application number: US757176A
Authority: US
Inventors: George S Walter
Original assignee: Individual
Current assignee: Individual
Priority date: 1934-12-12
Filing date: 1934-12-12
Publication date: 1936-03-10
Anticipated expiration: 1953-03-10

Description

March 1 1936 G. S. WALTER WRITING PEN Filed Dec. 12, 1934 5.27

751292955 WS%M Patented Mar. 10, 1936 UNITED STATES PATENT OFFICE 12 Claims.

This invention relates to pens, and particularly to a type of pen, in the use of which, considerable pressure is frequently exerted on the writing end thereof, as, for example, in the use of stylographic pens which are used and are especially well adapted for making carbon copies of original writings.

One object of the present invention is to provide a construction .and arrangement whereby portions of the pen are protected against scooping up dust, dirt, paper fibers and the like, which tend to clog the ink passage and seriously interfere with the efficient operation of the pen.

Another object of the invention is to provide a pen of the character described with a self-contained mechanical filler, or, in other words, a pen of the stylographic type which is capable of being conveniently filled without resorting to the old method of using a dropper or the like, and

which is still employed in filling pens of the stylographic type.

,Another object of the invention is to provide a stiff, non-spreading pen point capable of receiving pressures suitable forproducing carbon copies.

Another object of the invention is to provide a novelform of vent for admitting air .to the reservoir to replace the ink as it is removed therefrom in the operationof the pen, and to provide for convenient filling of the ink reservoir.

Another object of the invention is to provide a construction and arrangement wherein the writing end portion of the pen-point member is movable laterally within and with respect tothe surrounding nozzle portion of the pen, thereby varying the area ofthe ink channel or ink space at the sides of the pen-point member.

A further object of the invention is to provide a pen of the character described having a translucent nozzle portion ,for ascertaining when the 49 supply of ink for writing purposes is getting low.

A still further object of the invention is to improve devices of the character described in sundry details hereinafter referred to and particularly pointed out in the appended claims.

One embodiment of the present invention is shown for illustrative purposes in the accompanying drawing, in which:

Fig. 1 is an elevational view, partly in section, of a pen embodying features of the present in- 5 vention;

Fig. '2 is an enlarged longitudinal sectional ele vational view taken substantially as indicated by the line 2--2 of Fig. ,1, the central portion of Fig. 2 being broken away to permit of showing the 55 structure'on a considerably enlarged scale;

Fig. 3 is an enlarged transverse sectional elevational view through the structure adjacent the writing end of the pen, and taken on the line 3--3 of 'Fig. 2;

Fig. 4 is a transverse sectional elevational view taken on the line 44 of Fig. 2; and

Fig. 5 is a further enlarged fragmentary sectional elevational 'view through a portion of the writing end of the pen showing the pen-point member in its position with relation to the nozzle when the writing point is in engagement with a writing surface.

The illustrative embodiment of the present invention, as shown in the drawing, comprises a body portion, indicated as a whole by the numeral l I, consisting of a hollow tubular barrel l2 having a bulb I3 formed of rubber or other suitable flexible and resilient material positioned in one end of the barrel l2, and a nozzle, indicated as a whole by the numeral 14, positioned in the opposite end thereof, the said nozzle being shown, in the present instance, as comprising a tapered portion 15 formed preferably of a suitable translucent material such, for example, as glass or the like, and having a tubular shell or sleeve l6 positioned therein and extending beyond the outer end thereof, the said barrel l2 and nozzle l4 providing a container or reservoir I! for maintaining a supply of ink within the device for writing purposes.

Mounted within the body portion I l and shown, in the present instance, as positioned within the open end portion of the bulb i3 is a holder l8 shown, in the present instance, as provided with a recess l9 and formed, preferably, of rubber or other suitable flexible and resilient material, said holder l8 having apertures 2| formed therein communicating with the ink reservoir l1 and with the interior of the bulb l3.

Mounted in the holder I8, preferably adjacent the central portion thereof and adjacent the recess i9, is a pen-point member, indicated as a whole by the numeral 22, the member 22 being shown, in the present instance, as secured against longitudinal movement with respect to the holder 18 by means of annular shoulders 23 formed on the member 22 at opposite sides of the holder H3.

The member 22, as shown in the drawing, is adapted to extend through the shell or sleeve It of the nozzle M in spaced relation with respect thereto to provide an ink channel 24 communieating with the reservoir [1, the member 22 being adapted to extend beyond the discharge end of the shell I 6 and ink channel 24 to provide a writing end 25 shown, in the present instance,

as provided with a flared or annular flange portion 26 adapted to engage a writing surface as shown by the line 21 in Fig. 5, where it will be apparent that the writing end of the pen-point member 22 extends beyond the end of the sleeve l6 of the nozzle l4 and the discharge end of the ink channel 24, and it will be apparent also that a line, such as the plane of a writing surface, as 2'! for example, touching the extreme outer edges or points of contact of the sleeve I6 and writing end 25 is ofiset outwardly from the inner edge I 6a of the sleeve 16 in a manner to maintain said inner edge of the sleeve l6 of the nozzle out of engagement with the writing surface when the pen is in writing position with respect thereto, thereby protecting the inner edge [6a of the nozzle against scooping up dust, dirt, paper fibers and the like, which would tend to clog the ink passage 24 and seriously interfere with the efiicient operation of the pen.

It will be noted also by reference, particularly, to Fig. 5 that by reason of the mounting of the pen-point member 22 in the resilient holder ill, the outer, free or writing end 25 of the member 22, when in engagement with awriting surface, may be moved laterally with respect to the sleeve [6 of the nozzle M in a manner to increase the distance between the inner surface of the sleeve 16 and the outer surface of the member 22 at one side thereof, thereby enlarging the portion of the ink channel 24 adjacent the underside of the member 22 and permitting a free flow of the ink therethrough during the writing operation, and it will be noted also that when pressure on the writing end 25 of the member 22 is relieved, the resiliency of the holder l8 will cause the member 22 to assume a substantially central position with respect to the sleeve l6, as shown in Fig. 2, in a manner to retain the ink against accidental discharge from the reservoir through the ink channel 24.

The pen-point member 22 is shown, in the present instance, as of substantially tubular form having a longitudinally disposed air vent and filler opening 28 formed therein and extending therethrough to permit of the admission of air into the bulb l3 and the ink reservoir I! to replace the ink removed therefrom during the operation of the pen, and providing also, an intake passage through which ink may be drawn into the pen during the filling operation by manipulation of the bulb I3, the ink during the filling operation being discharged from the upper or inner end of the member 22 into the lower end of the bulb l3, from which it may pass through the apertures 2| into the reservoir IT.

For protecting the bulb l3 against accidental compression when the pen is in use, a cap or cover 29 may be screw threaded or otherwise secured to the upper end of the barrel l2 as clearly shown in Fig. 2.

It will be apparent that by the use of a translucent material in the construction of the tapered portion l5 of the nozzle M, the user may ascertain when the supply of ink in the reservoir is getting low so that the pen'may be refilled before the supply of ink is completely exhausted.

It will be observed from the foregoing description that the present invention provides a novel construction and arrangement whereby the tip of the nozzle portion N5 of the pen is protected against scooping up dust, dirt and paper fibers or the like whichwould tend to clog the ink passage 24, and that by reason of the structure and arrangement shown and described, the present invention provides a self-contained mechanical filler by which the reservoir may be filled without resorting to the old method now employed in filling pens of the stylographic type.

It will be observed also that the present invention provides the novel means for venting the ink reservoir and that by reason of the novel mounting of the pen-point member, the effective area of the ink channel may be controlled to insure a proper flow of ink therethrough.

Obviously, the present invention is not limited to the precise construction and arrangement shown and described as the same may be variously modified. Moreover, all of the features of the invention need not be used conjointly as the same may be used to advantage in variously different combinations and subcombinations.

What I claim as new and desire to secure by Letters Patent is:

1. In a fountain pen having a body portion comprising a hollow barrel and nozzle -to provide an ink reservoir in said body portion, the combination of a pen-point member fulcrumed adjacent its inner end in said body portion and extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir, said point member having a writing end extending beyond the discharge end of said nozzle .and having a laterally extending annular flange formed thereon comprising a hollow barrel and nozzle to provide an ink reservoir in said body portion, the combination of a pen-point member fulcrumed adjacent its inner end in said body portion and extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir, said point member having a writing end movable laterally with respect to said nozzle and extending beyond the discharge end thereof, said writing end having a laterally extending annular flange formed thereon engageable with a writing surface for maintaining the inner edge of said nozzle out of engagement with said surface.

3. In a fountain pen having a body portion comprising a hollow barrel and nozzle to provide an ink reservoir in said body portion, the combination of a resilient holder mounted in said body portion, a pen point member fulcrumed adjacent its inner end in said holder and extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir, said point member having a writing end movable laterally with respect to said nozzle and extending beyond the discharge end thereof, said writing end having a laterally extending annular flange thereon engageable with a writing surface for maintaining the inner edge of said nozzle out of engagement with said surface.

4. In a fountain pen having a body portion comprising a hollow barrel open at its ends and a tubular nozzle mounted in one end thereof to provide an ink reservoir in said body portion, the combination of an elongated hollow penpoint member fulcrumed in said body portion and communicating with said ink reservoir for admitting air thereto, said point member extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir, said point member having a writing end movable laterally with respect to said nozzle and extending beyond the end thereof and engageable with a writing surface for maintaining the inner edge of said nozzle out of engagement with said surface.

5. In a fountain pen having a body portion comprising a hollow barrel open at its ends and a tubular nozzle mounted in one end thereof to provide an ink reservoir in said body portion, the combination of an elongated hollow tubular pen-point member fulcrumed adjacent its inner end in said body portion and communicating with said ink reservoir for admitting ink and air thereto, said point member extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir, said point member having a writing end movable laterally with respect to said nozzle and extending beyond the end thereof, said writing end having a laterally extending annular flange formed thereon engageable with a writing surface for maintaining the inner edge of said nozzle out of engagement with said surface.

6. In a fountain pen having a body portion comprising a hollow barrel and nozzle to provide an ink reservoir in said body portion, the combination of a hollow bulb of resilient material mounted on one end of said barrel and communicating with said reservoir, an elongated hollow tubular pen-point member fulcrumed in said body portion and communicating with the interior of said bulb and reservoir, said point member extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir and having a writing end movable laterally with respect to said nozzle and extending beyond the end thereof, said writing end being adapted to engage a writing surface for maintaining the inner edge of said nozzle out of engagement with said surface.

7. In a fountain pen having a body portion comprising a hollow open ended barrel and a tubular nozzle mounted at one end thereof to provide an ink reservoir in said body portion, the combination of a hollow bulb of resilient material mounted on one end of said barrel, a resilient holder mounted in said body portion and having apertures formed therein communicating with said reservoir and the interior of said bulb, an elongated hollow tubular pen-point member fulcrumed' in said holder and communicating with the interior of said bulb, said point member extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir and having a writing end movable laterally with respect to said nozzle and extending beyond the end thereof, said writing end having a laterally extending annular flange formed thereon engageable with a writing surface for maintaining the inner edge of said nozzle out of engagement with said surface.

8. In a fountain pen having a body portion comprising a hollow open ended barrel and a tubular nozzle mounted at one end thereof to provide an ink reservoir in said body portion, the combination of a hollow bulb of resilient material mounted on one end of said barrel, a resilient holder having a recess formed therein adjacent the central portion thereof mounted in said body portion, said holder having apertures formed therein communicating with said reservoir and the interior of said bulb, an elongated hollow tubular pen-point member fulcrumed in said holder adjacent said recess and communicating with the interior of the bulb, said point member extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir and having a writing end movable laterally with respect to said nozzle and extending beyond the end thereof, said writing end having a laterally extending annular flange formed thereon engageable with a writing surface for maintaining the inner edge of said nozzle out of engagement with said surface.

9. In a fountain pen having a body portion comprising a hollow open-ended barrel and a tubular translucent nozzle mounted in one end thereof to provide an ink reservoir in said body portion, the combination of a hollow bulb of resilient material mounted on one end of said barrel, a resilient holder mounted in fixed relation with respect to said body portion and having apertures communicating with said reservoir and the interior of said bulb, an elongated pen-point member mounted in and extending through said holder and having a filler and vent opening extending longitudinally of the point member from end to end thereof and communicating with the interior of said bulb, means adjacent one end portion of the point member cooperating with said holder for securing said member against longitudinal displacement with respect to the holder, the opposite end portion of said point member extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir, said point member having a writing end movable laterally with respect to said nozzle and extending beyond the end thereof, said writing end having a laterally extending annular flange formed thereon engageable with a writing surface for maintaining the inner edge of said nozzle out of engagement with said surface.

10; In a fountain pen having a body portion comprising a hollow barrel and nozzle to provide an ink reservoir in said body portion, the combination of a pen point member positioned in said body portion and extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir, said point member having a writing end extending beyond the discharge end of said nozzle, and a laterally extending flange portion formed on the outer end of said member adjacent the discharge end of said ink channel and adapted to overlie a portion of the end of said nozzle.

11. In a fountain pen having a body portion comprising a hollow barrel and nozzle providing an ink reservoir in said body portion, the combination of a tubular member positioned in said body portion and communicating with said reservoir, said tubular member extending through said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir.

12. In a fountain pen having a body portion comprising a hollow barrel and tubular nozzle to provide an ink reservoir in said body portion, the combination of a tubular member positioned in said body member and communicating with said reservoir to provide a filler and Vent opening therefor, said tubular member extending through the opening in said nozzle in spaced relation thereto to provide an ink channel communicating with said reservoir.

GEORGE S. WALTER.