US2038354A - Eraser - Google Patents

Description

pfi 2, 193@ J. GLENDINNING ERASER Filed May 2'?, 1935 Patented Apr. 21, 1936 UNITED STATES PATENT OFFICE ERASER Application May 27,

1 Claim.

The invention relates to an improvement in erasers.

Of the various kinds of erasers employed in the commercial world for cleaning or removing from surfaces undesired material, such as dirt, pencil and ink marks, typewritten and printed letters, and the like, those in most common use are of two kinds, one kind are adapted for removing pencil marks and the other kind are erasers particularly adapted for removing typewritten and ink marks from the surface of paper. The stenographer commonly employs both these kinds of erasers in removing a misstruck letter or word from the typewritten sheet. These erasers are usually in disk form. The eraser especially adapted for removing the ink typewritten letter or word is usually composed of rubber with a finely comminuted abrasive substance embedded therein. When such erasers are used for removing the undesired letter or word from the paper they leave the surface of the paper roughened and with particles of the abrasive thereon, and then an eraser composed chieiiy of soft rubber is employed for removing the abrasive particles left on the paper and for smoothing out the roughened surface of the paper. As this operation has heretofore been performed it has required possession of two separate erasers, one the ink eraser and the other the soft or pencil eraser, the soft eraser being also adapted for use in erasing pencil marks or other stains from the paper. As is well known, the two erasers frequently become separated and one of them is temporarily lost, requiring loss of time to locate it, thereby causing some unnecessary inconvenience. Moreover, even when the two erasers are kept in close vicinity of each other the user after having employed the ink eraser must then put it down and pick up the soft or pencil eraser, thus also entailing an unnecessary waste of time and eiort.

It is the object of the present invention to produce a device whereby the two erasers may be held together in close vicinity of each other so that neither will be lost without the other and so that the operation of using them may be facilitated without picking them up separately. To this end the invention consists in the improved eraser hereinafter described'and claimed.

1935, Serial No. 23,611

(Cl. 1Z0-36) In the accompanying drawing illustrating the preferred form of the invention, Fig. 1 is a side elevation of an ink and a soft or pencil eraser held together in close proximity according to the invention and showing a brush attachment; and 5 Fig. 2 is a longitudinal section through the erasers as indicated by the line 2--2 of Fig. 1.

The improved eraser device as illustrated in the drawing comprises a conventional type of disk ink eraser 5 and a conventional type of disk soft or 10 pencil eraser 6. According to the principle of the invention these erasers are held in close proximity by means of two pairs of arms II and I2 projecting from a yoke body I4. The ink eraser 5 is pivotally held in the right hand ends l5 of the arms II by means of the hollow rivet 9, and the soft or pencil eraser 6 is pivotally held in the left hand ends of the arms I2 by the hollow rivet I0. The outer ends of the rivets are swaged over the adjacent parts of the arms in order to 20 hold the erasers rmly but rotatably on the arms. The improved eraser device is provided with a brush attachment I5 secured in the yoke body I4, for clearing away from the erased surface any particles left after using either eraser.

The arrangement of the parts of the improved eraser device is such as to conduce to the convenience of the user, especially the stenographer employed in typewriting. In using the device, the eraser to be rst used may be grasped 30 in any convenient manner, adapted to the idiosyncrasies of the user, and the shift to the other eraser is accomplished by simply turning the device in the hand holding it without putting the device down. When either or both erasers have 35 been used, a short turn of the device in the hand holding it brings the brush into play.

Having thus described the invention, what I claim as new is:-

In `a device of the class described, a yoke body constructed and arranged for` the support of a brush element, and a pair of yoke arms divergently extending from the yoke body and constructed and arranged for the support of adjacently positioned eraser elements.

J OI-IN GLENDINNING.

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