US103149A

US103149A - Improvement in erasers

Info

Publication number: US103149A
Authority: US
Publication date: 1870-05-17
Anticipated expiration: 1887-05-17

Description

' einem gaat para arpa.

Hanru? T.- oUsHM'AN, or biljart;v BENNINe'roN, VERMONT.

Letters .Patent;No. 103,140, dated May 17, 1870. l i

Q i IMPROVEMENT 1N ERASE-ms.'

Tolle Schedule referred to in these' Letters Patent and making pmt of the` same I, HENRY T. CUSHMAN, of North Behimington, in the county of Bennington and State of Vermont, have invented certain Improvements in Ink-Erasers, of

which the following is a` specilcat-ion.` y

`'.lhisinvention relates to compound tools for erasing ink on paper and preparing thefplaee of4 erasure to l receive subsequent writing without blur orblot.

I forma suitable hollow case, as represented in Figures 1 and 2 of the drawing, covered at both ends. t' .In one of these is located Vthe polisher,^and in the other the eraser proper.`

o A representsthe eraser, `formed ofthe usual material, audio anyjdesired form, and having shank to fit into a corresponding recess in the hollow ,case C.

`B represents the polis'hcr, which is provided at one vend with a composition of rosin and beeswax, molded intoany suitable shape preferred, while the other end has a smootherl or rounded surface of ivory attached thereto. t i l `The mode of operation is as follows: The objectionable word or words are rst erased with the blade A, The operator then takes that end ofthe polisher having lthe composition, and 4rubs it on -the locality, thus forming anew adhering surface, but

scribed.

somewhathneren. The ivory end of the polisher is then applied, and a Smooth eren face thereby formed on the paper, which will not spread the ink at all, but will answer completely the object in view.

The wax and rosin, which is rst molded into the shape wished and then cooled, constitutes a most effectual protection against blotting, and is combined in the proportion of rosin, twentyparts, and white beeswax, one part. The wax is employed to toughen the rosin, This composition is the subject of patentgrantecl i to me some time since, and numbered 90,733.

Having thus described all that isY necessary to a clear understandingsof my invention, y What I desire to protect by Lcttersllatent, is'- As an article of manufacture, a compound eraser and polisher, consisting of the case C, eraser A, and i compound polisher and smoother B, allV relatirely con structed and arranged, as and for the purpose de- T. o-s'HMAN.

l Witnesses:

JOHN RISING, J EROME MILLrrux.