US1755326A - Pencil - Google Patents

Description

April 22, 1930. E. KLAGGES PENCIL Filed Feb. 21, 1928 1 /A ull-$69M er A 81 I I 1,755,325 it Figure 2 is an enlarged broken sectional 3 operating sleeveon the end ofthe pencil. Gil barrel Y UNITE STATES PATENT OFFICE) 1 ,ELsIE KLAGGES, OF'GLENDLALE, NEW YORK-1 p I [PENCIL I e f Applicationfiled February 2 1', 192.8, Serial No. 255,901. i This invention relates particularly to penworking in the same groove, as customary in 7 oils ofjthe 'lead projecting; retracting and pencils-of this type. expelling class. V r I Instead of turning the screw feeding memj Special-objects of theinvention are to prober 10 directly, in the usual Way; a certain 5 vide with a pencil of this 'class,"an eraser amount of lost motion is introduced in the c which willbe automatically p'rojeetedorunactuating connections and this lost motion covered before the lead is proj ectedfor use period is utilized to effect-"the actuation of the and will be retractedor covered before the eraser. I f 1 I 4 lead is withdrawn after use. The eraser is shown at 12, seated in the out- 1 Further objectsof the invention are to er end of a tube 13 which is secured at the provide eraser mechanism of entirely praetiinner end to a smaller sleeve 14 surrounding cal; convenient and satisfactory construction the screw feed 10 and'carrying a pin 15 workand operation and which can be readily comg i 'g ve Ofthe Screw fee/db bined with pencillstructures' of. the general Surrounding theeraser sleeve 13 -is; a fin- 15 type now in common use. 7 y '1 ger piece 16in the former a suitablylknurled The foregoing and ther desirable objects collar or the like, rotatably held on the end of a are attained bycertain novel features of conthe pencil b r e a d avi g a p n 17 e g g- 'struction, combinations and relations of parts ill g t yextending l 18 i ashereinafter described and as illustrated 111 the Brawl -i w 20 in theaccompanying drawing; finger SllOWIl 'rotatably '70 v Thedrawing illustrates .one of the prac mounted thefiml tlie-19911011 a r y V 'ticalembodiments of the invention, it being means of a beefing Sleeve 19 f understood that the structure may vary with 6nd f he y P1609 nd Y g i flange! out departure from the true spirit and broad 2041? 113$ outer d g 1 back. -f scope 'fth i tio r I bush1ng'21 fixedly seated in the inner end of Figure 1 is a longitudinal vertical sectional finger P -bu h g having a View of a practical embodimen'tfof the ing fit e s SEQ/F7619 d-1 .vention, showing both the lead and the eraser erase? Q y 5 13 Totatmfi projected, ready foruse. fit wlth n the bearlngjsleeve; The parts may be assembled by forcibly seating the bushing so view showing; the construction at the eraser 21' in the nge 93 16 v re d f th iL V c I sleeve 19, thus locking these partstogether, Fi 3.1 a b k i tl i h and then forcing the bearing sleeve mtofric tion showing the eraser withdrawn into the tlonany held relation the end f h 1 Figure 4 is a broken part sectional view With this constructibnaiit will be l l T i lu amo 'fi c 1 that as the finger piece is turned, the eraser Grating li ed m of t m r Op sleeve alsowill be rotated and the first efiect Figure 5 is an end view of the parts shown of this-W111 be eltvher retract or P QC the :3 in Figure LL y eraser as the pin. 15 at the Inner end of the r In Fi ure 1 the pencil is shown as havin eraser Sleeve travels m =thelglfo9veo'fthe feed a tubula rbody 6 of suitable size and step? Screw h feed Screw rename ear and as having guided within the tip of the Chm-1g Such OPB-Mtmm bemg held irlctlonal mounting 1n the barrel.

43 S a g earner the R Thls In Figures 1 and 2,it will be evident that carrier 1s lndlcated as operated 1n the usual by ti th finger piece 1 ft h d dl th" y y a g 9 g g 111 th groove of a pin 15 will ride forwardly inthe groove of the he11c?11y w operatmg 10 feed screw thereby withdrawing theeraser' the plnwhlch e ects the lead in the finalmovesleeve and carrying the eraser inwardly into I I seTment is shown as having a similar-lug 11 the actuating sleeve 16. This movement will continue until the outer end of the slot 18 engages the pin 17 or until the inner end of the guide sleeve 14 surrounding-the feed screw contacts with the end of the sleeve 22 surrounding the forwardend of the feed screw. In either event, the retracting movement of the eraser sleeve is arrested and the further rotation of the finger piece thereby becomes cfiective through the pin 15 to turn the feed screw and retract the lead carrier.

In the reverse or right handed rotation of the finger piece, with the eraser and lead car- 7 rier both retracted, it will be seen that the first effect of the rotationwill be for .the

eraser sleeve to screw itself outwardly over the feed screw and that when the end of this movement is reached, that is, when the pin 15 contacts the stop 23'on the feed screw or the pin 17 is engaged by the inner end of slot 18, rotation will be imparted to the feed screw and the lead carrier will be thereby projected.

In the species illustrated in Figs. 4 and 5 the eraser 12 may bemounted in the outer cylindrical end of a sleeve 22, the inner end of which is reduced and squared to have a sliding fit over the square member 23 rigidly fastened to the operating member 10. A pin 24 projects from the sleeve 22 and engages in a helical groove 25 formed in the inner wall of the finger piece 26. 'For convenience in manufacture the finger piece 26 is shown as composed of an inner collar 27, having groove 25 cut through its wall, and an outer collar. 28 longer than the inner collar. The finger piece 26 is rotatably attached to the body 6 in the same manner as the finger piece of Figs. 1 and 2.

With the parts in the relation indicated in motion device, whereby when the operating member is rotated in one direction the eraser is projected and thereafter the lead is projected; and in the other direction, the lead is first retracted and thereafter the eraser is retracted.

2. A pencil comprising a case, an operating-member revoluloly mounted at one end thereof, a lead carrier projectible at the other end of the case, operating means for the lead carrier including a helical member and a lost motion device, an eraser sleeve arranged to project an eraser at the end of the case adj acent the operating member, a pin and slot connection between the operating member and eraser carrier, and a connection between the eraser carrier, and the lead carrier operatingmeans through the lost motion device,

whereby when the operating member is rotated in one direction the eraser is projected and thereafter the lead is projected; and in the other direction the lead is first retracted and thereafter the eraser is retracted.

In testimony whereof I affix my signature.

ELSIE KLAGGES.

Fig. 4 both eraser and lead are in retracted positions. Upon rotating the finger piece right handedly the groove 25 will push the pin 24 toward the left, thereby moving the sleeve 22' toward the left and causing it to slide over the nut 23, simultaneously projecting the eraser. When the pin 24 reaches the end of slot- 25, further rotation of the finger piece will turn the operating member 10 through the square member and cause projection of the lead. Operating the finger piece in the reverse direction will first retract the eraser and then the lead.

I claim: o

1. A pencil comprising a case, an operating member revolubly mounted at one end thereof, a lead carrier projectible at the other end of the case, operating means for the lead carrier including a helical member and a lost motion device, an eraser carrier arranged to project an eraser at the end of the case adjacent the operating member, a combined rotary and slidable connection between the operating member and eraser carrier, and a connection between the eraser carrier and the lead carrier operating means through the lost

Images