US1218948A - Eraser attachment for fountain-pens. - Google Patents

Eraser attachment for fountain-pens. Download PDF

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Publication number
US1218948A
US1218948A US12162416A US12162416A US1218948A US 1218948 A US1218948 A US 1218948A US 12162416 A US12162416 A US 12162416A US 12162416 A US12162416 A US 12162416A US 1218948 A US1218948 A US 1218948A
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Prior art keywords
fountain
cap
pens
opening
eraser
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US12162416A
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Daniel R Markley
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Daniel R Markley
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K29/00Combinations of writing implements with other articles

Description

D. R. MARKLEY. ERASER ATTACHMENT FOR FOUNTAIN PENS- APPLICATION FILED SEPT. 22. me.
1,218,948. T Patented Mar. 13,1917.
INVENTOR ATTbRNEY UNITED STATES PATENT orrrcn.
. DANIEL R. MARKLEY, OF LANCASTER, PENNSYLVANIA.
ERASER ATTACHMENT FOR FOUNTAIN-PIEINS.
. To all whom it may concern:
Be it lmown that I, DANIEL'R. MARKLEY, a citizen of the United States, residing at Lancaster, in the county of Lancaster and State of Pennsylvania, have invented certain new and useful Improvements in Eraser Attachments for Fountain-Pens, of which the following is a specification.
This invention relates tocertain new and useful improvements in eraser attachment for fountain-pens and has for its primary object the provision of an attachment of this character which may. be readily secured in position upon the barrel of the fountain pen and adjusted to present a new surface as the old surface is worn away.
Another object of the invention resides in an eraser attachment of this character in which the erasing material may be properly protected and the 'device' will be constructed in such manner that it may be readily applied to fountain pens of conventional form without altering the construction of the latter.
For a further object, the invention contemplates'the provision of an eraser attachment of this character including an eraser portion formed of spun glass bristles positioned in a cup which may be readily adjusted within a cup secured over the end of a fountain pen barrel.
A still further object of the invention resides in the provision of a device of the above stated character which will be composed of a minimum number of parts, simple and inexpensive in construction and highly efficient in'use.
With these general objects in view and invention is better understood, the same consists in the novel combination and arrangement of parts hereinafter more fully de scribed,- illustrated in the accompanying drawings, and pointed out in the appended claims. r
In the drawings forming a part of this application and in which like-designating characters refer .to corresponding parts throughout the several views Figure-1 is an elevation of the complete invention applied to a conventional form of fountain pen.
Fig. 2 is a longitudinal section through the 7 same as shown in Fig. 1, withthe parts considerably enlarged'and a portion of the pen broken away.
Specification of Letters Patent. I Paptent edl Mar, 13,191"Z, Application filed September 22, 1916. Serial No. 121,625
Fig. 3 isa detail transverse section on the plane of line 33 of Fig. 2, looking in the direction indicated by the arrow, and,
Fig. 4 is an end elevation.
Referring more in detail to the drawings, 1 designates a fountain pen barrel upon which may be threaded or secured in any other suitable manner, the inner section 2 of the'cap, said inner section 2 having a reduced rear end extension 3 upon which is threaded tions 2 and 5 of the cap and is provided with a rounded or bulged central portion 8 engaged with the rounded rear end of the fountain pen barrel 1. when the cap is in position upon the same, as shown in the drawings.
The spun glass bristles 9 are arranged in A parallel relation with'one end secured in the cup 7 as shown .in Fig. 2, while the opposite ends of said bristles 9 are brought together and extended through the central opening 10 in the outer end of the outer cap section 5. The inner walls of the outer cap section 5 converge, as shownat 11,'toward the central opening 10 to gradually bring together the outer ends of the bristles 9 so that the free extremities thereof may project through the opening 10 while held securely and in compact form, thereby presenting an eraser which will be effective and highly efficient in use.
It will be understood that the form of the cup 7 will prevent rocking of the same within the sections 2 and 5 and as the cap is threaded forwardly upon the fountain pen barrel 11, engagement of the cup 7 with the end of the barrel 1 will result in forcing the bristles 9 through the opening 10. This will make it possible to automatlcally feed the bristles through the opening 10 as the ends of the same are worn away.
It will be evident that an auxiliary cap, not shown,.may be placed over the outer end of the cap section 5 to cover the. exposed ends of the bristles 9, if desired.
While the form of the invention shown i a tubular member detachably connected and described is what is believed to be the preferred embodiment thereof, it is nevertheless to be'understood that minor changes may be made therein without departing from the spirit and scope of the invention as claimed.
I claim 1 i 1. The combination with a pen holder, of
therewith and provided with an opening at its outer end thereof, erasing bristles arranged in the bore of the tubular member and projecting through the opening, the pen holder engaging the erasing bristles and retainin the same in position.
2. he combination with a pen holder, of a tubular member longitudinally adjustable on the pen and provided with an opening at its outer end thereof, a plurality of erasing bristles arranged in the. tubular member and projecting through the opening, the upper extremity of the pen bearing against the erasing bristles.
3. The combination with a body, of a sleeve longitudinally adjustable thereon and having an opening at its outer end thereof, of a cap longitudinally adjustable in the tubular member, an eraserrcarried thereby and extending through the opening, the body bearing against the cap and retaining the same in adjusted positions.
4. The combination with a pen, of a sleeve threaded thereon and provided with-an opening in its outer end thereof, a plurality of lugs arranged upon the interior of the tubular member, a cap longitudinally adjustable in the tubular member and its movement in one direction being limited by the lugs, and
an eraser carried by the cap and pro ecting through the opening, the pen holder bearing against the cap to retain the same in such adjusted positions.
In testimony whereof -I aflix my signature in presence of two witnesses.
DANIEL R. MARKLEY. Witnesses:
WILLIAM H. IREDALE,
Mrs. WILLIAM H. WArr'z.
US12162416A 1916-09-22 1916-09-22 Eraser attachment for fountain-pens. Expired - Lifetime US1218948A (en)

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US12162416A US1218948A (en) 1916-09-22 1916-09-22 Eraser attachment for fountain-pens.

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US12162416A US1218948A (en) 1916-09-22 1916-09-22 Eraser attachment for fountain-pens.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5876136A (en) * 1997-02-21 1999-03-02 Platinum Pen Co., Ltd. Writing instrument with brush

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5876136A (en) * 1997-02-21 1999-03-02 Platinum Pen Co., Ltd. Writing instrument with brush

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