US1576146A

US1576146A - Pencil

Info

Publication number: US1576146A
Application number: US665117A
Authority: US
Inventors: Sheldon Bernard
Original assignee: Individual
Current assignee: Individual
Priority date: 1923-09-27
Filing date: 1923-09-27
Publication date: 1926-03-09
Anticipated expiration: 1943-03-09

Description

March 9 1926.

B. SHELDON PENCIL 7 Filed Sept. 27, 1925 INQVENYITOR Bernard Sheldon} BY W ATTORN Y' 'eflicient in use,

provide a Patented Mar. 9, 192 6.

UNI-TED STATES PATE BERNARD SHELDON, OF

1,576,146 NT OFFICE.

KEYPOR'I, W JERSEY.

PENCIL.

Application filed September 27, 1923. Serial No. 665,117.

new and useful Improvements in Pencils, of

which the following is a specification, such as will enable those skilled in the art to which it appertainsto make and use the same. I

This invention relates to pencils and particularly to adjustable lead feeding pencils, and the object of the invention is to provide a pencil of the class specified composed of a main tubular body and a lead carrying and feeding member movable longitudinally of said body with means rotatably mountedin connection with one end portion of the body for operating said member, said member being tubular in form to provide for the storage 'of extra leads; and'with these and other objects in view, the invention consists in a device ofthe class specified which is simple in construction and operation and and which is constructed as hereinafter described and claimed.

The invention is fully disclosed in the following specification, of which the accompanying drawing forms a part, in which the separate parts of my improvement are designated by suitable reference characters in each of the views, and in which Fig. 1 is a side and sectional view of a pencil made according to my invention.

Fig. 2 is a section on the line 2-2 of a n -"3 1; and,

Fig, 4: is a section on the line'4.4 of

fi 1 c'arry is a section on the line 3-3 of Fig.

mamtubular body portion 5, one. end of which is conical in form as shown at 6 and provided with a small discharge aperture 7. The-bore ofthe body 1s rov ded on opposite sides with longrtu a1 ooves 8 and-the upper end ortion of the fidy is curved'outwardly an inwardly to form a beaded flange portion '9 which is cut at predeterminedintervals as shown at 10 to form se arate spring members 11.

Mountedin ebod 5isatubularmember 12 which is ta as shown at 15 to fitwithin the tapered portion 6 o the body 5, and 'the' end' of the tapered portion 15 is split and apertured to form a clamp portion in my invention into effect, I-'

16 for receiving and frictionally retaining a piece of lead 17 in connection therewith. The member 12 together with the plug 14 constitutes a lead feeding element and is provided at the lower end of the member 12 with laterally directed extensions 18 which operate in the grooves 8 of the body 5 to permit of the longitudinal movement of the member 12 in said body. The'member 12 or the chamber 19 therein is adapted to receive a number of additional leads 17 as clearly. shown in Fig. 1 of the drawing.

The periphery of the member 12 is thread I ed as. shown at 20 to portion 21 on a rotatable member 22 mounted in the upper end portion of the body'5. The member 22 is tubular in form and the upper end of which projects beyond the body 5 and is closed by a head'or cap portion 23, beneath and at a predetermined distance from which the periphery-of the member 22 is provided with an annular head 24 in connection with which the beaded portion 9 operates to frictionally retain the member 22 in connection with the body 5.

In the position of the parts shown in Fig. 2, it will be understood that the lead 17 mounted in the holder or plug part 14 has been fully or subtsantially fullyextended and in order to insert a new lead the member 22 is rotated to move themember 12 upwardly into the member22, and longitudinally of the body 5, after which the member 22 is removed from thebody 5' by holding the body 5 in one hand and pulling on, the member 22 .to release the bead 24 'fromthe spring beaded portion 9. The plug 14 is then removed and one of the members 17 within the'member 12 removed and placed in the" spring jaw 16,

bers

12 and 22 are again placed in the body 5 and the member 22 is rotated to project the new lead a sli ht distance beyond the tip or pointed end 0 the body'5. As the lead is worn down, the same is fed outwardly by the rotation of the member 22 one direcengage a threaded tion.

From the foregoing, 'it' will "be apparent that my improved pencil is. composed of four parts, namely the ody 5, the tubular member 12, the plug 14 mounted in connection with the member 12 and the rotatable member 22. By reason of the simplicity of the construction of the pencil, the same may be produced at a nominal cost, and and durable pencil is provided.

yet a strong after which the memwhat I claim as new and desire to secure by Letters Patent, is

1. A pencil of the class described comprising a tubularbody portion, a member rotatably mounted in connection with one end portion thereof, means for retaining said member in predetermined position with I reference to said body, a lead feeding member in threaded engagement with said rotatable member and keyed to said body portion whereby the rotation of said first named member will move the second named member longitudinally of saidbody portion, said second named member being tubular in form and provided therein with a storage chamber for leads, and a plug controlling the admission to said chamber, said plug being provided at its free end with means for receiving and frictionally supporting a lead.

2. A pencil of the class described comprising a. tubular body portion, one end of which is conical in form and provided with a lead discharge aperture, said body portion being provided with longitudinal keyways, an externally threaded sleeve mounted in said body portion and provided with parts extending into said keyways to prevent the retation of said sleeve in said body portion and permitting of longitudinal movement therein, the other end portion of thetubular body I being open, -a tubular member rotatably mounted in connection with said end of the body and in threaded engagement with said externally threaded sleeve, and means detachably mounted in connection with and adapted to support a piece of lead in connection with said externally threaded member and in axial alinement with the aperture in said body portion, said last named means also serving to retain extra leads within said sleeve.

3. Apencil of the class described com rising a tubular body portion, one on of which is conical in form and provided with a lead discharge aperture, said body portion being provided with longitudinal keyways, an externally threaded sleeve mounted in said body portion and provided with parts extending into said keyways to prevent the rotation of said sleeve in said body portion and permitting of longitudinal movement therein, the other end portion of the tubular body being open, a tubular member rotatably mounted in connection with said end of the body and in threaded engagement with said externally threaded member, means detachably mounted in connection with and'adapted to support a piece of lead in connection with said externally threaded member and in axial alinement with the aperture in said body portion,

means for frictionally retaining the body portion and said rotatable member in predetermined relation, and said externally threaded member being provided with a lead storage chamber, closed by said lead supporting means. A

In testimony that I claim the foregoing as my invention I have signed my name this 25th day of Sept. 1923.

BERNARD SHELDON.