US2068487A

US2068487A - Pencil and eraser holder

Info

Publication number: US2068487A
Application number: US39588A
Authority: US
Inventors: Edmund M Gorrell
Original assignee: Individual
Current assignee: Individual
Priority date: 1935-09-07
Filing date: 1935-09-07
Publication date: 1937-01-19
Anticipated expiration: 1954-01-19

Description

Jan. 19, 1937.-

E. M. GORRELL PENCIL AND ERASER HOLDER Filed Sept. 7, 1935 If 3 mentor W EDMUNDM.GORRELL aw @M' Gttorncg 7 Patented Jan. l9, l3)? Til S artery FHQ ' ll (Claim.

The principal object of this invention is to provide a simplified and improved construction of holder for a pencil and eraser that can be manufactured at very small cost whereby a long eraser can be used and such eraser easily fed to project more of it as the same becomes worn by use and yet the eraser prevented from turning in the holder when used.

Other objects can be gathered from the follO lowing description.

The invention is embodied in the ezrample herein shown and described, the features of novelty being finally claimed.

In the accompanying drawing-- Figure 1 is a view in elevation of the device according to the invention.

Fig. 2 is a combined section and elevational view showing the sleeve and eraser in longitudinal section and the pencil in elevation.

Fig. 3 is a cross section on the line I III Fig. l.

In the views 5 designates the pencil and 6 the eraser. The pencil is of the usual sort, having a core of lead, so called, sheathed in wood, and the eraser of the usual material of rubber.

l designates the holder it being a tube of metah, The end of the tube that receives the pencil is provided with a thread 8 pressed inward in the tube so that when the pencil at its blunt end is forced inward and turned in the proper direction said blunt end feeds or progresses axially toward the opposite end of the tube.

Because the pitch of the thread 8 is slow the turning of the pencil is comparatively easy but the propelling force great. The other end of the tube is provided with one or more longitudinal ribs 9 extending parallel or substantially parallel to the axis of the tube. Within said tube beyond the blunt end of the pencil is thestick of eraser which is of the rubber material, commonly used for such purpose, said stick being, as shown, of slightly less diameter than the internal diameter of the tube but of such diameter v that when the eraser is forced by the pressure of the blunt end of the pencil into contact with said ribs 9 the latter slightly penetrate the re- (Cl. -438) I silient eraser and prevent the latter from turning or falling out. It will be noted that the said ribs 9 do not interfere with the comparatively easy projective feeding of the eraser. Conversely if the eraser is inadvertently or illadvlsedly-fed to project more than necessary or desirable it is easy to retract the pencil by reverse turning thereof and subsequently push the eraser back with a finger or pressure on a rigid surface into the tube to leave projecting just the desired por- 10 tion. for use'in erasing. The described reverse turning of the pencil and pushing of the eraser can be concurrent. This operation is possiblebecause of the longitudinal direction of the ribs 9. In this last described operation the reverse 15 turning of the pencil can be gaged so that its end within the tube forms a stop to limit the inward push of the 'eraser.

By making the eraser of sufficiently smaller diameter than that of the internal diameter of 20 the tube the pressure exerted on the eraser by the blunt end of the pencil'to feed the eraser shouldnot expand the eraser into such contact with the interior wall of the tube as to render dimcult the feeding of the eraser. 5

The forms of the parts can be changed without departing from the gist of the invention as claimed. i

What I claim is:

In means of the kind described a substantially 30 cylindrical tube having at one end thereof aninternal projection extending longitudinally of the tube, a stick of resilient eraser for'said end of the tube the said stick being of substantially cylindrical form and having a diameter spacing 5 it from the interior wall of said tube beyond said rib, the said internal projection of the tube being of a depth to penetrate the said eraser whereby said eraser is prevented from rocking or twisting in the tube, but permitted easy move- 0 ment thereof longitudinally therein, and an internal screw thread in the opposite end of said tube adapted to engage the sheath of a. lead pencil to feed the eraser from said tube, said eraser and pencil being movable in said tube 45 independently of each other.

EDMUND M. GORRELL.