US128316A - Improvement in ring twine-cutters - Google Patents

Improvement in ring twine-cutters Download PDF

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US128316A
US128316A US128316DA US128316A US 128316 A US128316 A US 128316A US 128316D A US128316D A US 128316DA US 128316 A US128316 A US 128316A
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Prior art keywords
ring
twine
cutters
improvement
knife
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B27/00—Hand cutting tools not provided for in the preceding groups, e.g. finger rings for cutting string, devices for cutting by means of wires
    • B26B27/007—Hand cutting tools not provided for in the preceding groups, e.g. finger rings for cutting string, devices for cutting by means of wires with handles specifically adapted to be attached to a human hand or finger, e.g. thimbles

Definitions

  • Figure l is a side view of my improved ring twine-cutter, and showing in dotted lines the knife raised for inserting the twine.
  • Fig. 2 is the same view as Fig. 1, but partly in section, to show the construction.
  • My invention has for its object to furnish an improved ring twine-cutter, designed to be worn on the forefinger of the left hand. It consists in pivoting acurved knife or cutter in a groove of the finger-ring, and providing the same with a spring'and thumb-piece to adapt it to be suitably operated, as will be hereinafter fully described.
  • A represents a ring, the upper or back part of which, where the signet or stone is usually placed, is made thicker, and has agroove cut into it longitudinally with the band or circle of the ring.
  • B is a crescent-shaped knife, which is placed in the groove of the ring A, where it is secured and pivoted in place by a small screw, 0, so as to be detachable, to enable it to be taken out and sharpened when necessary.
  • a cuttingedge Upon the concave or inner side of one arm or part of the knife B is formed a cuttingedge, and upon its other end is formed a thumb-piece, which latter end is held out from the ringAby a small spring, D, attached to it, and which enters and rests in the groove of the ring A.
  • the thumb of the left hand is pressed upon the thumb-piece of the knife B, which raises the cutting part of said knife B out of the groove in the ring A.
  • the twine is then passed beneath the cutter, and a slight pull upward and forward cuts it.
  • Thocutter may also be conveniently and advantageously used for cutting the selvage of muslin or other goods to enable them to be readily torn.

Description

.L. P. LAFFRAY.
Improvement in Ring Twine-Cutters.
NO. 128,316. PatentedJune 25,1872.
mimics: uvwtnx: fzggy ,m PI/OTZI-L/TFIOGRA PIl/C m. M n assaR/vss mocsss) UNITED STATES LEWIS P. LAFFRAY, OF AMSTERDAM NEW YORK.
IMPROVEMENT IN RING TWINE-CUTTERS.
Specification forming part of Letters Patent No. 128,316, dated June 25, 1872.
Specification describing a new and Improved Ring TwineGutter, invented by LEWIS P. LAFFRAY, of Amsterdam, in the county of Montgomery and State of New York.
Figure l is a side view of my improved ring twine-cutter, and showing in dotted lines the knife raised for inserting the twine. Fig. 2 is the same view as Fig. 1, but partly in section, to show the construction.
Similar letters of reference indicate correspondin g parts.
My invention has for its object to furnish an improved ring twine-cutter, designed to be worn on the forefinger of the left hand. It consists in pivoting acurved knife or cutter in a groove of the finger-ring, and providing the same with a spring'and thumb-piece to adapt it to be suitably operated, as will be hereinafter fully described.
A represents a ring, the upper or back part of which, where the signet or stone is usually placed, is made thicker, and has agroove cut into it longitudinally with the band or circle of the ring. B is a crescent-shaped knife, which is placed in the groove of the ring A, where it is secured and pivoted in place by a small screw, 0, so as to be detachable, to enable it to be taken out and sharpened when necessary. Upon the concave or inner side of one arm or part of the knife B is formed a cuttingedge, and upon its other end is formed a thumb-piece, which latter end is held out from the ringAby a small spring, D, attached to it, and which enters and rests in the groove of the ring A.
In using the cutter, which is designed to be worn upon the forefinger of the left hand, the thumb of the left hand is pressed upon the thumb-piece of the knife B, which raises the cutting part of said knife B out of the groove in the ring A. The twine is then passed beneath the cutter, and a slight pull upward and forward cuts it. Thocutter may also be conveniently and advantageously used for cutting the selvage of muslin or other goods to enable them to be readily torn.
Having thus described my invention, I claim as new and desire to secure by Letters Patent The curved or cresent-shaped knife 0, pivoted in the longitudinal groove of the ring A and provided with the thumb-piece E, bearing on the spring D, as shown and described, the cutting end of said knife resting in the groove,
so as to be protected thereby when not in use,
as specified.
LEWIS P. LAFFRAY.
Witnesses:
ZERAH S. WESTBROOK, '1. H. BENTON CRANE.
US128316D Improvement in ring twine-cutters Expired - Lifetime US128316A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301432A (en) * 1992-12-15 1994-04-12 Richardson Stanley G Ring with movable blade
US8215492B2 (en) 2003-09-18 2012-07-10 Pur Water Purification Products, Inc. Water treatment devices and cartridges therefor
US20220400820A1 (en) * 2020-06-28 2022-12-22 Dongguan Kangxiang Hardware Products Co., Ltd. Multifunctional finger ring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301432A (en) * 1992-12-15 1994-04-12 Richardson Stanley G Ring with movable blade
US8215492B2 (en) 2003-09-18 2012-07-10 Pur Water Purification Products, Inc. Water treatment devices and cartridges therefor
US20220400820A1 (en) * 2020-06-28 2022-12-22 Dongguan Kangxiang Hardware Products Co., Ltd. Multifunctional finger ring

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