US1575331A - Magazine pencil - Google Patents

Description

March 2 1926' I. GREENE MAGAZINE PENC Filed July 1925 Patented Mar. 2, 1926.

UNITED STATES IRVING GREENE, NEW YORK, N. Y.

uaeazmn PEKCIL.

Application filed July 24, 1928. Serial No. 853,449.

To all whom it may concern:

Be it known that I, Invmo GREENE, a citizen of the United States, and a resident of the borough of the Bronx, Bronx County,

city and State of New York, have invented.

cil without being separately or directly handled by the operator.

It is an object of the present invention to devise articles of the general character'specified above which shall be simple in construction and have as few parts as possible; which shall be easy and economical to manufacture and easy and convenient to assemble; which shall be little liable to get out of repair or require replacement; and

which shall be certain and convenient in operation, permitting the leads to be-fed one at a time, only, into operative position and thence through the pencil, this operation not requiring any direct contact of the operator with the pencil leads but being substantially automatic, and being free from danger of jamming the various pencil leads within the magazine.

In the accompanying specification I shall describe, and in the annexed drawing show, an illustrative embodiment of the present invention. It is, however, to be clearly understood that my invention is not limited to the illustrative embodiment thereof which is herein shown and described for purposes of illustration only.

Referring to the drawing, wherein I have shown the aforesaid illustrative embodiment of the present invention:

Fig. l is a central longitudinal section of the magazine pencil comprising the aforesaid illustrative embodiment of the present invention;

Fig. 2 is a fragmentary side view of the top portion of the pencil barrel;

Fig. 3 is a central longitudinal section, partly in elevation, of the magazine;

Fig. 4 is a side view, shown partly broken away, of the inner guide member for the propeller;

Fig. 5 is a longitudinal section, partly in elevation, of the propeller;

Fig. 6 is a cross sectional view of the device, taken along line 6-6 of Fig. 1;

Fig. 7 is a cross sectional view of the same, taken along line 7-7 of Fig. 5 and Flg. 8 is a detailed cross sectional view, on an enlarged scale, taken along line 8-8 of Fig. 1 of the drawing, illustrating particularly the construction and arrangement of the springs for yieldingly positioning the lead magazine.

Referring now more particularly to the aforsaid illustrative embodiment of the present invention and more especially to the various figures of the drawing illustrating the same, B indicates the outer barrel of the pencil; M the magazine for holding the leads; G the guide for the propeller; and P the propeller itself.

The barrel B, comprising the outer or container portion of the pencil, comprises a main body portion 10 havmg the upper edge portion 11 and the lower tip portion 12. The tip portion 12 is split, as indicated at 13, to provide spring pressed portions for retaining the tip of the lead 7 0' with the desired degree of frictional pressure. At 14 I have indicated the customary clip, which in this case serves also to indicate the position in which the pencil should best be held during the operation of feeding new leads into operative position. i

The magazine, generally indicated by reference character M, comprises the inner tubular portion 20, the outer corrugated portion 21 and the operating member 22. The inner tubular portion is whole, or unslotted at the upper end portion 23 thereof, while at its lower end portion 24 it is provided with a plurality of slots 25 for a purpose subsequently'to be described in greater detail. The outer corrugated portion 21 is preferably made of a corrugated strip of metal having a lurality of corrugations 26 providing tie lead-receiving grooves 27 on the inner face thereof, the springs 15 and 16, more clearly shown in Figs. 7 and 8 of the drawing, and acting to yieldingly position the lead magazine between successive movements for the discharge of successive leads, being soldered or otherwise attached at their inner ends to the troughs of the outer channels or corrugations 15 and 16, respectively, of the corrugated portion 21. The outer ends of the s rings 15 and 16 are successively retaine by successive pairs of diametrically opposite notches 22' 'on the inner face of the upper end of the barrel member 22, as will be described in greater detail hereinafter. At the portion 29 of the corrugated member 21 there is no corrugation, there being a gap or opening in the met-a1 of the corrugated member 21. The purpose of this is that in commencing the use of the pencil, the gap or space 29 should be in alinement with the clip 14, indicating that there is no lead as yet in operative position. The operating member 22 is preferably knurled so as to facilitate the operation of the magazine to bring one lead after another into operative position in the encil.

The guide member -Gr preferably comprises a hollow cylindrical guide portion 30 provided with an inner spiral or other feeding thread 31, and the frusto-conical channelled lower end member 32. The shape of the frusto-conical lower end member 32 is such as to cause it to fit snugly within the tip 12 of the pencil, as shown more clearly in Fig. 1 of the drawing. The passageway 33 within the frusto-conical member 32 is such as to enable it snugly to receive the similarly shaped lower end portion of the propeller shortly to be described. It will be noted that the lower end face 34 of the frusto-conical lower end portion 31 of the guide G terminates at such apoint that the split portions 13 of the tip '12 of the pencil will be left free to exercise their retaining action upon the free or operative end of the lead. A groove 35 is provided in the lower portion. of the guide member G for receiving a lead from the magazine, as will shortly be described.

The propeller member P comprises a main substantially cylindrical body portion 40 which is channelled, as indicated at 41, the channel 41 extending to a point 42 near the lower or tip end of the propeller P. A bore 43 is provided for the lead in the tip portion 44 of the propeller P. The tip portion 44 is, as already described, so shaped as to fit snugly within the cavity 33 in the tip portion 32 of the guide G.

Sliding within the channel 41 of the propeller P is the slidable actuating member 45 comprising a bodv portion 46, the lower portion 47 of which has two side wings so as to fit within and be retained by two similarly slotted portions 48 in the groove or channel 41. The upper face of the actuating member 45 is provided with an externally spirally threaded surface 49 for cooperation with the internally threaded groove 31 of the guide G. At 50 I have shown a pencil-engaging pin which is attached to and forms a part of the guiding member 45. At 51 I have indicated a particularly the embodiment of the present invention is substantially clear from the foregoing description. Summarizing the manner of assembling this pencil, it may be stated that into the barrel B, which is preferably made integral, as, from a single piece of tubing, first the guide member G, and then the magazine member M are inserted. This magazine member M, comprisin the two portions 20 and 21 already described, is of such dimensions as to fit snugly within and be frictionally retained by the barrel B. It is so initially inserted that the gap 29 in the metal of the outer corrugated member' 21 of the magazine M is immediately below the clip 14. The springs 15 and 16, which are attached to and form a part of the barrel B, and which fit into a air of, preferably diametrically oppositely disposed, spring receiving grooves 28, serve further to retain the magazine in place and accomplish other desirable results, as more fully set forth hereinafter. It may be stated that the dimensions of the guide G, and particularly of the tip portion 32 of the same, are such as to cause this member likewise to be retained within the barrel B by frictional engagement of the conical member 32 with the similarly shaped tip portion 12 of the barrel B.

The propeller P is now inserted into the assembled barrel B, guide G, and magazine M. For this purpose the propeller is bodily passed into the inner hollow portion of the guide G. This action is permitted until the threads 49 of the actuating member 45 are brought into contact with the threads 31 of the guide member G. By now rotating the propeller member P, carrying the threaded actuating member 45, the threads 49 of such actuating member may be made to engage with the threads 31 of the guide G. This action may be continued to thus cause the actuating member 45, carrying the lead contacting member 50, to travel back and forth in the channel 41 longitudinally of the pencil.

It may here be stated that the upper end portion 51 of the propeller member 50 fits into and is rigidly united with a cup-shaped propeller-operating member 60, which may contain an eraser or other analogous device 61, and may be provided with a cap 62 to in either direction to advance or retract the actuating member 45.

Having thus described the assembly of the pencil, I shall now describe the operation of the same. Vith the magazine 1nitially in'the position with respect to the clip and other portions of the pencil as illustrated in Fig. 5 of the drawing, the operator withdraws the propeller carrying the actuating member as far as osslble out of the barrel, the inner limit 0 movement of the actuating member being determined by the osition of the pin 52. This exposes the lea -receiving chambers 27 into wh ch the desired number of leads 70 are now 1nserted, one lead beinginserted into each channel. By way of example, I have shown seven such lead-receiving chambers 27 and the corresponding number of leads, all as more clearly shown in Fig. 6 of the drawing. Since this operation isnormally conducted with the pencil in a vertical position, tip downward, the leads will fall into the lower portions of the lead-receiving grooves 27 until they are brought into a position where they may be recelved by the grooves 25 in the inner member 20 of the magazine and will be in position to be received, one after another, by the groove 35 of the guide G and be thus fed into operative position in the pencil. The reason thatthe leads 70, originally received within the lead-receiving chambers 27, do not pass out of such chambers through the slots 25 and then into the slots 35 and 51 of the members G and P, respectively, more than one at a time, is that the lead magazine -M is rotated one notch at a time, so that only one lead at a time can pass from its respective chamber 27 through the respective slot 25 into the slot 35 and thence t rough the slot 41 into pencil.

The propeller P, is now returned to its initial position,and the operating member 22 of the magazine turned one notch, against the action of the springs 15 and 16, to thus bring one lead within its groove 25 into position to be received by the groove 35 in the guide G, and be thus fed into operative position in the pencil. The lead is then received in the channel/t1, from which it may beefed by the contacting member 50 of the actuating member 45 into the chan-- nel 43 of the propeller P. This position of the lead is more clearly shown in Fig. 1 of the drawing.

By now operating the lead actuating member 60, or the cap 62,01 bothof these members together, in the proper direction, the

operative position in the actuating member is fed forwardly by the coaction of the external threads 46 on the actuating member 45 and the internal threads 31 of the guide G to thus feed the lead 70 forward into the tip of the pencil, where it will be received and retained by the split. portions 13 of the tip. It may here be noted that the manipulation of the lead into operative 'position may best be effected by maintaining the pencil in such a position during such manipulation that the clip 14: will be in its uppermost position with the pencil horizontal, as distinguished from the vertical position of the pencil when the magazine is filled with loads. It will also be noted that the manipulation of the lead into operative position takes place without separately or directly touching the leads. A ter the first lead has been consumed, the second and succeeding leads may be fed into operative osition one after another in she manner esoribed above for the first The advantages of the foregoing construction are numerous and of great practical importance. The pencil is very simple in construction, comprising very few parts which may be easily and economically manufactured and are very easy to assemble. The construction and arrangement of parts is suchthat there will be little likelihood that the pencil will require repair or replacement.

The advantages in operation are similarly of great practical importance. The pencil is very easy to operate and is very certain and convenient in operation. The leads are fed forward one at a time, the arrangement of tparts being such that it is not possible to eed more than one lead at a time. There is thus no danger of jamming the leads. The manipulation for feeding the leads into not require any separate or direct contact with the leads, the loading and feeding operations being substantially automatic.

WVhat I claim as my invention is:

1. In a magazine lead pencil or the like, a magazine member having lead-receiving channels on the inner face thereof and a spring-retaining channel or channels on the outer face thereof, a barrel containing said magazine member and formed with a plurality of spring-engaging grooves on the inner face thereof, and one or more springs held in said spring-retaining channel or channels and engaging one or more of said spring-retaining grooves.

2. In a magazine lead pencil or the like, a magazine member comprising an outer corrugated member and an inner tubular member providing lead-receiving channels on' the inner face of said corrugated member and a sprlng-retalnmg channel or chanoperative position one after another does nels on the outer face of said corrugated member, a barrel enclosing said magazine member and formed with a plurality of spring-engaging grooves on the inner face thereof, and one or more springs held in said spring-retaining channel or channels and engaging one or more of said spring-- retaining grooves.

3. In a magazine lead pencil or the like, a magazine member comprising an outer corrugated member and an inner tubular member providing lead-receiving, channels on the inner face of said corrugated member and aspring-retaining channel or channels on the outer face of said corrugated member, together with one or more springs attached to said corrugated member-within raid spring-retaining channel orchannels, the upper portion of said tubular member being unslatted and the lower portion of said tubular member being provided with one or more lead-discharging slots.

4. In a magazine lead pencil or the like, a magazine member comprising an outer corrugated member and an inner tubular member providing lead receiving channels on the inner face of said corrugated member and a spring-retaining channel'or channels on the outer face of said corrugated member, together with one or more springs attached to said corrugated member within on the inner face of said corrugated member and a spring-retaining channel or channels on the outer face of said corrugated member, together with one or more springs attached to said corrugated member within said spring-retaining channel or channels, the upper portion of said tubular member being unslotted and the lower portion of said tubular member being provided with one or more lead-discharging slots, said outer corrugated member having a cut-away portion therein.

6. In a magazine lead pencil or the like, a magazine member comprising an outer corrugated member and an inner tubular member providing lead-receiving channels on the inner face of said corrugated member and a spring-retaining channel or channels on the outer face of said corrugated member, together with one or more springs attached to said corrugated member within said spring-retaining channel or channels, the upper portion of said tubular member being unslotted and the lower portion of said tubular member being provided with one or more lead-discharging slots, in combination with an operating member carried by said magazine member adjacent one end thereof. v 7. In a magazine lead pencil or the like, a

magazine member comprising an outer corrugated member and an inner-tubular member providing lead-receiving channels on theinner face of said corrugatedmember an a spring-retaining.channel orchannels on the outer face of said corrugated member, together withone or more springs attached to said corrugated member within said spring-retainingchannel or channels, the upper portion of said tubular member being unslott'ed and the lower portion of" said tubular member being provided with one or more lead-discharging slots, said outer corrugated'member having a cutaway portion therein, in combination with an opmember adjacent one end thereof.

8. In a magazine lead pencil or the like, a magazine member comprising an outer crating member carried bv said magazine corrugated member and an inner tubular member providing. lead-receiving channels on the inner face of said corrugated member and a spring-retaining channel or channels on the outer face of said corrugated member, together-with one or more springs at tached to said corrugated member within said spring-retaining channel or channels, said outer corrugated member having a cut-away portion therein, in combination with an operating member carried by said magazine member adjacent one end thereof.

9. In a magazine lead pencil or the like, a guide'member comprising a hollow tubular member provided with a spiral thread on the inner surface thereof and a bored conical bearing member at one end thereof, said tubular member being slotted adjacent the conical bearing member.

10. In a magazine leadpencil or the like, a propeller member comprising a substantially cylindrical member provided with'a longitudinal slot therein and an actuating member carried for reciprocation in said slot, said actuating member being provided with an externally threaded portion, and 'a" bored conical tip member at one end of said cylindrical member, the bore of said tip member communicating with the slot in said cylindrical member.

11. In a magazine lead pencil or the like, a propoller member comprising a substantially cylindrical member provided with a. longitudinal slot therein and an actuating member carried for reciprocation in said slot, and a bored conical tip member at one end of said cylindrical member, the bore of said. tip member communicating with the slot in said cylindrical member.

12. In armagazine lead pencil or the like, a propeller member comprising a substantially cylindrical memberprovided with a longitudinal slot therein and anactuating member carried for reciprocation in said slot, said actuating member being provided with a lead-contacting pin, and a bored conical tip member at one end of said cylindrical member, the bore of said tip member communicating with the slot in said cylindrical member.

13. In a magazine lead pencil or the like, a propeller member comprising a substantially cylindrical member provided with a longitudinal slot therein and an actuating member carried for reciprocation in said slot, said actuating member being provided with an externally threaded portion, and a lead-contacting pin, and a bored conical tip member at one end of said cylindrical member, the bore of said tip member communieating with the slot in said cylindrical member.

14. In a magazine lead pencil or the like, an outer barrel, a magazine member therein having lead-receiving channels on the inner face thereof and spring-retaining channels on the outer face thereof, in combination with a guide member within said barrel and said magazine and comprising a hollow tubular member provided with a spiral thread on the inner surface thereof and a bored conical bearing member at one end thereof.

In testimony whereof, I have signed my name to this specification this 13th day of July, 1923.

IRVING GREENE.

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