US630774A - Eraser attachment. - Google Patents

Eraser attachment. Download PDF

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Publication number
US630774A
US630774A US70947299A US1899709472A US630774A US 630774 A US630774 A US 630774A US 70947299 A US70947299 A US 70947299A US 1899709472 A US1899709472 A US 1899709472A US 630774 A US630774 A US 630774A
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United States
Prior art keywords
eraser
attachment
spring
type
brown
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Expired - Lifetime
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US70947299A
Inventor
Robert B Brown
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Individual
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Priority to US70947299A priority Critical patent/US630774A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0056—Holders for erasers

Definitions

  • My invention relates to an eraser attachment, and has for its object to provide a retracting-spring,whereby the eraser after use may be automatically returned to a fixed place, thus avoiding confusion or delay due to concealment or displacement of the eraser when used in connection with a type-writing machine.
  • the invention consists of the erasing attachment, as particularly specified in the claim.
  • Figure 1 represents a vertical section of the attachment.
  • Fig. 2 represents a plan view of a horizontal section.
  • Fig. 3 represents a perspective view of the device.
  • a represents an ordinary circular eraser suitably secured to the flexible connection 0.
  • FIG. 6 represents a casing closely fitting the spring and provided with a flat side f, having rigid ear or ears 9 for securing the same to the type-writing machine. These ears are shown as perforated at h for receiving a fas- 35 tening-screw.
  • the operation of the device is obvious.
  • the attachment is secured by the ear to the type-writing machine.
  • the eraser can then be carried at any time to the erasing-point 4c and after use released, when the return spring b will always return the eraser to its normal position, where it can be found.

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Description

No. 630,774. Patented Aug. 8,1899;
R. B. BROWN.
EBASER ATTACHMENT.
(Application filed. Mar. 17, 1899.) (No Model.)
UNITED STATES PATENT OFFICE.
ROBERT B. BROWN, OF \VASHINGTON, DISTRICT OF COLUMBIA.
ERAS ER ATTACH M ENT.
SPECIFICATION forming part of Letters Patent No..630,f774, dated August 8, 1899.
Application filed March 17,1899- Serial No. 709,472. (No model.)
To all whom it may concern:
Be it known that 1, ROBERT B. BROWN, a citizen of the United States, residing at Washington, in the District of Columbia, have in vented a new and usefulEraser Attachment, of which the following is a specification.
My invention relates to an eraser attachment, and has for its object to provide a retracting-spring,whereby the eraser after use may be automatically returned to a fixed place, thus avoiding confusion or delay due to concealment or displacement of the eraser when used in connection with a type-writing machine.
With these objects in view the invention consists of the erasing attachment, as particularly specified in the claim.
In the drawings, Figure 1 represents a vertical section of the attachment. Fig. 2 represents a plan view of a horizontal section. Fig. 3 represents a perspective view of the device.
Similar letters of reference designate the same parts in the several figures.
a represents an ordinary circular eraser suitably secured to the flexible connection 0.
b represents a narrow flat volute'sprihg,
and (1 represents a drum surrounding the spring and in the same plane therewith, around which is coiled the connection 0.
6 represents a casing closely fitting the spring and provided with a flat side f, having rigid ear or ears 9 for securing the same to the type-writing machine. These ears are shown as perforated at h for receiving a fas- 35 tening-screw.
The operation of the device is obvious. The attachment is secured by the ear to the type-writing machine. The eraser can then be carried at any time to the erasing-point 4c and after use released, when the return spring b will always return the eraser to its normal position, where it can be found.
What I claim, and desire to secure by Letters Patent, is-- An eraser attachment for type-writing machines consisting of a narrow, fiat, volute spring, a narrow casing fitting the same and having a fiat side, a rigid ear in line with the flat side of the casing for securing the device 50 to a type-writing machine, and a flexible connection coiled in the plane of the spring for securing the eraser, all substantially as de scribed.
In testimony whereof I affix my signature 55 in presence of two witnesses.
' ROBERT B. BROWN.
' Witnesses:
LOUIS 0. WHITE, A. A. FISHER.
US70947299A 1899-03-17 1899-03-17 Eraser attachment. Expired - Lifetime US630774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US70947299A US630774A (en) 1899-03-17 1899-03-17 Eraser attachment.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70947299A US630774A (en) 1899-03-17 1899-03-17 Eraser attachment.

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US630774A true US630774A (en) 1899-08-08

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US70947299A Expired - Lifetime US630774A (en) 1899-03-17 1899-03-17 Eraser attachment.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080049489A1 (en) * 1995-04-21 2008-02-28 Johnson Mark B Multi-Bit Spin Memory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080049489A1 (en) * 1995-04-21 2008-02-28 Johnson Mark B Multi-Bit Spin Memory

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