US878735A - Erasing instrument. - Google Patents

Erasing instrument. Download PDF

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Publication number
US878735A
US878735A US35944107A US1907359441A US878735A US 878735 A US878735 A US 878735A US 35944107 A US35944107 A US 35944107A US 1907359441 A US1907359441 A US 1907359441A US 878735 A US878735 A US 878735A
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United States
Prior art keywords
instrument
erasing
erasing instrument
ignatius
lucas
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Expired - Lifetime
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US35944107A
Inventor
Ignatius Lucas
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Individual
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Priority to US35944107A priority Critical patent/US878735A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/02—Scraping
    • A47L13/08—Scraping with scraping blades

Definitions

  • My invention relates to an improvement in an erasing instrument and the object of my invention is to produce an inexpensive erasing instrument that can be easily sharpened.
  • Figure 1. is a side view of the instrument.
  • Fig. 2. is a longitudinal cross section of the instrument.
  • Fig. 3. is the bottom view.
  • Fig. 4. shows the instrument as held on an oil stone in sharpening the said erasing instrument.
  • Fig. 5. shows the instrument as attached to a pen holder.
  • a steel tube A. is out diagonally across as shown in Fig. 1. and Fig. 2. forming the cutting edges B. Figs. 1, 2, 3 which cutting edges bybeing rubbed on a grinding stone S Fig. 4. or other sharpening tools can be easily sharp ened or resharpened; it being understood that the proper hardening of the cutting edges has been attended to during the procedure of the manufacture of the instrurnent.

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  • Knives (AREA)

Description

PATENTED FEB. 11, 1908.
I. LUCAS. ERASING INSTRUMENT.
APPLICATION FILED FEB. 26, 1907.
75;]: NURRIS PETERS cu, wnsnnvcrou, n. c
' ing is a specification.
IGNATIUS LUCAS, OF PASSAIO, NEW JERSEY.
ERASING INSTRUMENT.
Specification of Letters Patent.
Patented Feb. 11, 1908.
Application filed February 26.1907. Serial No. 359.441.
To all whom it may concern:
Be it known that I, IGNATIUS LUoAs, of Passaic, in the county of Passaic and State of New Jersey, have invented a new and useful Erasing Instrument, of which the follow- Grinding an erasing knife, such as is now in general use, successfully one will find quite diflicult.
My invention relates to an improvement in an erasing instrument and the object of my invention is to produce an inexpensive erasing instrument that can be easily sharpened. I attain this object by an instrument illustrated in'the aecompanying drawing, in which Figure 1. is a side view of the instrument. Fig. 2. is a longitudinal cross section of the instrument. Fig. 3. is the bottom view. Fig. 4. shows the instrument as held on an oil stone in sharpening the said erasing instrument. Fig. 5. shows the instrument as attached to a pen holder.
Similar letters refer to similar parts throughout the several views.
A steel tube A. is out diagonally across as shown in Fig. 1. and Fig. 2. forming the cutting edges B. Figs. 1, 2, 3 which cutting edges bybeing rubbed on a grinding stone S Fig. 4. or other sharpening tools can be easily sharp ened or resharpened; it being understood that the proper hardening of the cutting edges has been attended to during the procedure of the manufacture of the instrurnent. Although I have shown in the drawings a round tube for the purpose set IGNATIUS LUCAS.
Witnesses:
. WM. WEIsE, WM. KNAPP.
US35944107A 1907-02-26 1907-02-26 Erasing instrument. Expired - Lifetime US878735A (en)

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US35944107A US878735A (en) 1907-02-26 1907-02-26 Erasing instrument.

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US35944107A US878735A (en) 1907-02-26 1907-02-26 Erasing instrument.

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US878735A true US878735A (en) 1908-02-11

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US35944107A Expired - Lifetime US878735A (en) 1907-02-26 1907-02-26 Erasing instrument.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724181A (en) * 1952-10-17 1955-11-22 Munson A Seward Device for cutting stacked sheets of paper and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724181A (en) * 1952-10-17 1955-11-22 Munson A Seward Device for cutting stacked sheets of paper and the like

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