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Publication numberUS659026 A
Publication typeGrant
Publication dateOct 2, 1900
Filing dateOct 13, 1899
Priority dateOct 13, 1899
Publication numberUS 659026 A, US 659026A, US-A-659026, US659026 A, US659026A
InventorsEdwin M Goldsmith
Original AssigneeEdwin M Goldsmith
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Lead or other pencil.
US 659026 A
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)

N0. 659,026. Patnted Oct. 2. |900.



(Appication led Oct. 13,1899.)

(No Model.)

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SPECIFICATION forming part of Letters Patent No. 659.026 dated October 2, 1900.

Application filed UGtOber 13, 1899. deral No. 733.459. (No model.)

To all whom, it may concern.-

Beit known that I, EDWIN M. GOLDSMITH,

a citizen of the United States, residing in the cityV and county of Philadelphia, State of Pennsylvania, have invented a new and useful Improvement in Lead or other Pencils, which improvement is fully set forth in the following specification and accompanying drawings.

My invention consists of a lead or other pencil formed of a telescopic or collapsible barrel and means for connecting a length or piece of lead or marking material therewith, whereby as said lead or material is worn away it may be exposed to present a fresh portion by the reduction in the length of the barrel, said piece having one end movably guided in the tip of the pencil and its other end rigidly held in the opposite end of the barrel, whereby it cannot be detached through said tip.

Figure l representsa side elevation of a pencil embodying my invention. Fig.'2 represents a longitudinal section thereof. Fig. 3 represents a longitudinal section thereof on an enlarged scale. Fig. 4 represents a longitudinal section of a portion, showing the pencil in partly-folded condition. Fig. 5 represents a side elevation of the pencil in folded condition. Fig. 6 represents a side elevation of another form of the invention. Fig. 7 represents a section of a portion of a modificadifferent diameters fitted to each other telescopically, so as to form a continuous length, as in Fig. l, or be folded or partly folded, as in Figs. and 5, said sections being provided with shoulders E, which are adapted to abut for preventing improper separation of the sec` tions in the direction of the arrow, Fig. 2'. The end of the piece C opposite to the sleeve B is held by the head F, which is tightly secured within the section D of the greatest diameter of the barrel, said piece C being primarily of the length of the barrel when its sections are in extended condition and partly projecting throughthe sleeve B, as clearly shown in Figs. l and 2, it being seen that the pencil may now be used as usual, the piece of lead or material C being prevented from being pushed back, owing to the headF, assisted, if desired, by the end cap G, against which the piece C abuts,as illustrated in Figs. 2 and 3. It will now be seen that as lthe lead or marking material Wears away at the pencil-point the sections D D are partly folded, thus shortening the barrel, and consequently exposing the piece C, so that more of the point portion of said piece protrndes through the sleeve B. As the piece further wears away the sections are folded to a greater extent and the barrel further shortened, so as to continue the exposure of the point portion, andthus the operation continues until the barrel is shortened to full extent, the several sections thereof folding'one on the other, as Shown in Fig. 5.

In Fig. 6 the barrel is formed of a coil H, of metal or other material, the convolutions of which may fold one into the other. The piece C is secured at its inner end to a socket on the cap J; but its operation is similar to that shown in the other figures.

The head F may be secured to the cap G or form an integral portion, as in Fig. 7, or be secured to the interior of the section D of the barrel, as in Figs. 2A and 3.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

A collapsible barrel formed of telescopic sections, a tip at one end thereof, a head in the other end rigidly secured to the section thereof, and apiece of marking material in said barrel, the same being movable at one end through the said tip and guided therein and rigidly secured at the other end in said head.



Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3709620 *Apr 15, 1971Jan 9, 1973Miyamoto NBall-point pen convertible for use as a pointer
US4678356 *Jul 3, 1985Jul 7, 1987Garland Thomas NExtendable writing instrument
US5984556 *Jan 3, 1997Nov 16, 1999Bic CorporationWriting instrument improved outer barrel and method of producing the outer barrel
US8282300 *Feb 22, 2008Oct 9, 2012Lianhua MaoDamp telescopic tube and a damp writing pen
EP2459034A1 *Jul 30, 2010Jun 6, 2012Nanyang Technological UniversityExtendable utensils and methods of manufacture
Cooperative ClassificationA45D40/02