US632633A - Fountain-pen. - Google Patents

Fountain-pen. Download PDF

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Publication number
US632633A
US632633A US72204699A US1899722046A US632633A US 632633 A US632633 A US 632633A US 72204699 A US72204699 A US 72204699A US 1899722046 A US1899722046 A US 1899722046A US 632633 A US632633 A US 632633A
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US
United States
Prior art keywords
handle
reservoir
pen
joint
fountain
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US72204699A
Inventor
Claes Wiliam Boman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eagle Pencil Co
Original Assignee
Eagle Pencil Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eagle Pencil Co filed Critical Eagle Pencil Co
Priority to US72204699A priority Critical patent/US632633A/en
Application granted granted Critical
Publication of US632633A publication Critical patent/US632633A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/02—Ink reservoirs
    • B43K5/06—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle

Definitions

  • FIG. 2 is a similar view with the ink-reservoir partly withdrawn from the tubular sheath or handle.
  • Fig. 3 is a view of the ink-reservoir detached from the handle.
  • A is a tubular sheath or handle made of any suitable material, preferably hard rubber.
  • B is the usual feeder-plug inserted in its front end.
  • This feeder-plug which may be of any preferred construction, conducts the ink from the ink-reservoir in the handle to the pen C in the usual way, the pen being inserted and held between the feeder and the front end of the handle.
  • the ink-reservoir is shown at D. It is made of any proper material, preferably hard rubber, is open at its front end and closed at its rear end by a plug E, which is externally screw-threaded to screw into the correspondin gly internally screw-threaded open rear end of the handle A.
  • the reservoir is inserted into the handle from the rear of the latter, and the screw-plug E, with which it is provided, forms a convenient means of securing it.
  • the screw-joint is not essential to the making and maintaining of an air and liquid tight joint between the reservoir and the handle, and so far as that is concerned the screw-joint might be replaced by abayonet-catch or a slip or friction joint.
  • the liquid-tight joint for preventing leakage of ink between the reservoir and the tubular sheath or handle is internal and at the front end of the reservoir and is Ina-de and maintained independently of the external joint.
  • the front end of the reservoir is in eifect a piston which has an elastic and compressible packing between it and the cylindrical interior of the tubular handle A. In other words, it works in the handle about as a packed piston does in its cylinder. This effect I obtain It is flared or cxthe flared or enlarged part clin the act ofentering the smooth cylindrical interior of the handle will be slightly compressed and by its elasticity will make with the interior of the handle a tight and close joint, which will effectually prevent all leakage.
  • This joint is complete and effective after the front end of the reservoir has once entered the handle far enough to pass beyond the internally screwthreaded end of the latter, which is just a little greater in diameter than the smooth intern al cylindrical bore beyond it.
  • the joint for example, between the front end of the reservoir and the handle is just as complete .and finished when the reservoir is only part way in, as in Fig. 2, as it is when the reservoir is completely in, as in Fig. l.
  • this'jointis concerned whether the plug E is screwed home or not, or, indeed, whether the plug E is engaged at all with the handle.
  • the elastic and compressible enlargement d not only avoids the necessity of nice and accurate finish and tting, but it acts as a wiper for the interior of the barrel or hollow handle to keep it clean and unclogged.
  • a tubular ink-reservoir D adapted to enter the handle from the rear end of the latter, and provided with a flaring, elastic and compressible open front end, of greater diameter than the body of the reservoir with which it is integral, and which piston-like fits closely and with elastic pressure against the cylindrical interior of the handle, as and for the purposes hereinbefore set forth.

Description

Patented Sept. 5, |899.
Arr-MM MPM UNM
BAM
CFM
{No Model.)
IINTTEE STATES PATENT OFFICE.
CLAES WILIAM BOMAN, OF NElV YORK, N. Y., ASSIGNOR TO THE EAGLE PENCIL COMPANY, OF NEW YORK.
FOYU NTAlN-PEN.
SPECIFICATION forming part of Letters Patent No. 632,633, dated'Se-ptember 5, 1899.
Application filed (lune 27, 1899, Serial No. 722,046. (No model.)
To @ZZ whom, t may concern:
Be it known that I, CLAES 'WILIAM ROMAN, a citizen of the United States, and a resident of New York city, in the county and State of New York, have invented a new and useful Improvement in Fountain-Pens, of which the following is a specification, reference being had to the accompanying drawings,in which- Figure l is a longitudinal central section of the pen. Fig. 2 is a similar view with the ink-reservoir partly withdrawn from the tubular sheath or handle. Fig. 3 is a view of the ink-reservoir detached from the handle.
A is a tubular sheath or handle made of any suitable material, preferably hard rubber. B is the usual feeder-plug inserted in its front end. This feeder-plug, which may be of any preferred construction, conducts the ink from the ink-reservoir in the handle to the pen C in the usual way, the pen being inserted and held between the feeder and the front end of the handle.
The ink-reservoir is shown at D. It is made of any proper material, preferably hard rubber, is open at its front end and closed at its rear end by a plug E, which is externally screw-threaded to screw into the correspondin gly internally screw-threaded open rear end of the handle A. The reservoir is inserted into the handle from the rear of the latter, and the screw-plug E, with which it is provided, forms a convenient means of securing it. The screw-joint, however, is not essential to the making and maintaining of an air and liquid tight joint between the reservoir and the handle, and so far as that is concerned the screw-joint might be replaced by abayonet-catch or a slip or friction joint. The liquid-tight joint for preventing leakage of ink between the reservoir and the tubular sheath or handle is internal and at the front end of the reservoir and is Ina-de and maintained independently of the external joint. The front end of the reservoir is in eifect a piston which has an elastic and compressible packing between it and the cylindrical interior of the tubular handle A. In other words, it works in the handle about as a packed piston does in its cylinder. This effect I obtain It is flared or cxthe flared or enlarged part clin the act ofentering the smooth cylindrical interior of the handle will be slightly compressed and by its elasticity will make with the interior of the handle a tight and close joint, which will effectually prevent all leakage. This joint is complete and effective after the front end of the reservoir has once entered the handle far enough to pass beyond the internally screwthreaded end of the latter, which is just a little greater in diameter than the smooth intern al cylindrical bore beyond it. The joint, for example, between the front end of the reservoir and the handle is just as complete .and finished when the reservoir is only part way in, as in Fig. 2, as it is when the reservoir is completely in, as in Fig. l. Thus it is immaterial, so far as this'jointis concerned, whether the plug E is screwed home or not, or, indeed, whether the plug E is engaged at all with the handle.
The elastic and compressible enlargement d not only avoids the necessity of nice and accurate finish and tting, but it acts as a wiper for the interior of the barrel or hollow handle to keep it clean and unclogged.
Having described my invention, what -I claim herein as new, and desire to secure by Letters Patent, is-
In a fountain-pen, the combination with the hollow handle A, of a tubular ink-reservoir D adapted to enter the handle from the rear end of the latter, and provided with a flaring, elastic and compressible open front end, of greater diameter than the body of the reservoir with which it is integral, and which piston-like fits closely and with elastic pressure against the cylindrical interior of the handle, as and for the purposes hereinbefore set forth.
In testimony whereof I have hereunto set my hand this 26th day of June, 1899.
CLAES WILIAM BOM AN.
Y lVitnesses:
SAMUEL KEAUS, M. REGENSBURG.
US72204699A 1899-06-27 1899-06-27 Fountain-pen. Expired - Lifetime US632633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US72204699A US632633A (en) 1899-06-27 1899-06-27 Fountain-pen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72204699A US632633A (en) 1899-06-27 1899-06-27 Fountain-pen.

Publications (1)

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US632633A true US632633A (en) 1899-09-05

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US72204699A Expired - Lifetime US632633A (en) 1899-06-27 1899-06-27 Fountain-pen.

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