US126423A - Improvement in cutting-nippers - Google Patents
Improvement in cutting-nippers Download PDFInfo
- Publication number
- US126423A US126423A US126423DA US126423A US 126423 A US126423 A US 126423A US 126423D A US126423D A US 126423DA US 126423 A US126423 A US 126423A
- Authority
- US
- United States
- Prior art keywords
- nippers
- cutting
- improvement
- jaw
- stevens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000001847 Jaw Anatomy 0.000 description 24
- 230000000694 effects Effects 0.000 description 2
- 230000000750 progressive Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
- B26B13/06—Hand shears; Scissors characterised by the shape of the blades
Definitions
- My invention relates to the position, relative to each other, of the cutting-edges of nippers, and has for its object to produce a shearing cut.
- the outer edge of one jaw passes or just meets the inner edge of the other jaw, like shears, one jaw being nearer the axis of motion than the other.
- Figure 1 is a drawing showing my invention, of which a is the inner jaw and b the outer jaw of the nippers, and 0 their axis of motion.
- the joint and levers may be of any suitable form.
- the outer face of jaw a and inner face of jaw b should be formed, respectively, as the outer and inner arcs of cylinders of the same radius, the chord of said arcs to be equal to the distance which the jaws overlap each other.
- the nippers are made like the old-style nippers, with one jaw bent in enough to pass the other in close contact, as shown in the drawing; and the contact may be the whole length of the edges at once, or the jaws may meet first at one end, then pass each other with a progressive point of j uncture, like actual shears.
- the edges of the jaws may be parallel, or they may form an angle whose lines are in the cylindrical curve of their contact.
Description
W. X. STEVENS.
Improvement in Nippers.
No. 126,423. PatentedMay7,18'72.1
U NITED- STATES PATENT OFFICE.
WILLIAM X. STEVENS, OF EAST BROOKFIELD, MASSACHUSETTS.
IMPROVEMENT IN CUTTING-NIPPERS.
Specification forming part of Letters Patent No. 126,423, dated May 7, 1872.
Specification describing an Improvement in Out-Nippers, used for cutting off wire and for similar purposes, invented by WILLIAM X. STEVENS, of East Brookfield, in the county of Vorcester and State of Massachusetts.
My invention relates to the position, relative to each other, of the cutting-edges of nippers, and has for its object to produce a shearing cut.
Formerly the jaws of cut-nippers have been shaped alike, with their cutting-edges at equal distances from the axis 'of motion, so as to meet in a line of contact, acting as two chisels to wedge apart the piece being out.
By my invention the outer edge of one jaw passes or just meets the inner edge of the other jaw, like shears, one jaw being nearer the axis of motion than the other.
Figure 1 is a drawing showing my invention, of whicha is the inner jaw and b the outer jaw of the nippers, and 0 their axis of motion. The joint and levers may be of any suitable form. To be perfect in principle, according to my invention, the outer face of jaw a and inner face of jaw b should be formed, respectively, as the outer and inner arcs of cylinders of the same radius, the chord of said arcs to be equal to the distance which the jaws overlap each other.
In practice, the nippers are made like the old-style nippers, with one jaw bent in enough to pass the other in close contact, as shown in the drawing; and the contact may be the whole length of the edges at once, or the jaws may meet first at one end, then pass each other with a progressive point of j uncture, like actual shears. To effect this the edges of the jaws may be parallel, or they may form an angle whose lines are in the cylindrical curve of their contact.
I claim as my invention Shearing-cut nippers, formed. as described and shown, for the purpose specified.
W. X. STEVENS.
Witnesses:
JOHN H. ll/IONEGAN, JOSIAH HOBBS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US126423A true US126423A (en) | 1872-05-07 |
Family
ID=2195848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US126423D Expired - Lifetime US126423A (en) | Improvement in cutting-nippers |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US126423A (en) |
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0
- US US126423D patent/US126423A/en not_active Expired - Lifetime
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