US1722238A - Illuminated writing implement - Google Patents

Description

July 23. 1929. A. WEBER ILLUMINATED WRITINQ IMPLEMENT Filed July 27, 1927 fifi Patented July 23, 1929.

nur-ren STATES -QSDBERT IEBR, yOlli' IPROVIDENCE,I RHODE -ISLAND.

ILLUMINATED. WRTING IMPLEMENT.

This invention relates to writing imple ments and more lparticularly to types which may be used Afor making notations at night or in darkyplaces.

in the past, notations or inscriptions made in the dark, were usually unintelligible and could not be written on a straight line, thus rendering them practically useless.

It is therefore the main object of this invention to provide a pencil having an electric light attached thereto, so that the surface upon which it is desired to make notations, may be illuminated.

A still further object is to provide a novel means for feeding the lead to the point as it is used.

These several objects are attained by the novel construction, combination and arrangement of parts. hereinafter described and illustrated in the accompanying drawing, in which r- Figure 1 ils a partial side elevational, paru tial longitudinal sectional view of an illuminated writing implement made. in accordance with this invention.

Figure 2 is a longitudinal sectional view of the saine, the outer casing being removed to show the inner construction.

Figure 3 is an enlarged, fragmentary, partial side elevational, partial longitudinal sectional view of the illuminated lead-containing cud of the pencil.

Figure 4 is a transverse sectional view, taken on line 4-4 of Figure 2 and drawn to an increased scale.

Figure 5 is a perspective enlarged view of the lead containing sleeve.

Figure 6 is a fragmentary, longitudinal sectional view taken approximately through the center line of the illuminating element.

In the drawing, the numeral 10 generally designates an inner tubular casing having an integral collar 11 and a threaded end 12 adjacent thereto, the collar being provided with a slot 13. in which is operable a switch 14 of any preferred type, having the usual pencil clip 15 formed therewith, the end 12'being covered with a cap'16 pressing an expansion spring 17 against one end of a cylindrical electric battery 18 disposed in the casing 10.

The negative pole in the battery engages an elongated metal strip contact 19 on Ytie inner side of the casino* 10, the positive pole 2O contaetinn a disc-21,1n which is anchored the ends et a shaped nieta-l conductor 22 Application med July .-27;

'1927. serial Nofzoa'ia/i.

The conductor 22 passes throughan -insui lating disc 28 iixed to the closed end 24 of an 'internally threaded sleeve 25 engagingan externally.threaded socketI 26, the closed end "24 ofthe sleeve 4being provided'with oppositely disposed lugs 27 extending beyond the casing 10 through slots 28.

A pair of small leaf ,springs o0 and 51 are attached to opposite sides of the sleeve 25 and frictionally engage the walls of the casing 10 to hold the sleeve, and socket 26 in desired adjusted positions.

Engage-able in the socket 26 is the base 29 of a conical electric bulb 30, the inner end of the base 29 contacting the yoke of the conductor 22.

The bulb 30 and base 29 are provided with a central bore. in which is engaged a sleeve 31 having a conical tip 32 and which is receptive of a lead 33. the inner end of the lead engaging at all times with a block 84, centrally fixed on the closed end 24 of the sleeve 25.

Disposed over the casing lO and extending from the collar 11 to the converging walls of the socket 26 ils an outer casing 35 provided with a slot. not shown, through which extends the clip 15 and its connection with the switch 14.

Thus, in operation, the battery 18 is at all times maintained in contact with the disc 21 by a spring 1T and when it is desired to illuminate the bull: 30, thc switch 14 is moved toward the lead end of the pencil, thus co1upleting the circuit through the Contact 19 which is moved downward to contact with disc 18', the latter being in contact with the nega-tive pole 18 of the battery. The circuit is thus completed from the positive pole of the battery through contact 22 to the base of the lamp, thence to the sleeves 25, 26, to the casing 10 and through contact 19 to the negative pole.

To feed the pencil, the bulb is gripped in one hand and the body of the pencil is rotated by the other hand, which action. because of engagement of the socket 26 with the sleeve 25, will draw the latter and its integral end 24 toward the point of the pencil, thus forcing the lead through the sleeve 31 to extend slightly beyond the tip 32, the sleeve 25 being prevented from rotating by means of the lugs 27, engaging in the slots 28. i

From the foregoing, it will be seen that a writing' iinplenent has been disclosed, havd veel ing ine-#tits combined, therewith na'e'liiig the use of the implement in the night or in dark places by'illuminat-ing tHe-Surface upon which it is desired to make notatio'n.

Jhile the above is descriptive of the preferr-ed embodiment of my invention, it is to be understood that changes may be mede in size, proportion, material and the like Without the exercise of invention or departing Jfrom the spirit and scope of the claim hereto appended.

Having thug described my invention, what I claim as new and desire to secure by Letters Patent, is l An illuminating Writing implement comprising u casing, u sleeve slidzible in seid casing, zt rotatable Socket engegeuble in Suid sleeve und connected therewith to glide the sleeve upon rotation of the socket, an electric bulb in seid socket, :i sleeve passing through said bulb, said sleeve containing a Writing lewl` a buttery in said omging, and connections intermediate ,said buttery and Said bulb, said lead being projected beyond mid bulb by Said sleeve upon the rotation of said bulb and sleeve.

In witness whereofl have affixed my signature.

ALBERT VEBER.

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