US107542A - Improvement in prtjning-knives - Google Patents
Improvement in prtjning-knives Download PDFInfo
- Publication number
- US107542A US107542A US107542DA US107542A US 107542 A US107542 A US 107542A US 107542D A US107542D A US 107542DA US 107542 A US107542 A US 107542A
- Authority
- US
- United States
- Prior art keywords
- knives
- improvement
- prtjning
- sweep
- concave edge
- 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 2
- 230000003292 diminished Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D29/00—Hand-held metal-shearing or metal-cutting devices
- B23D29/02—Hand-operated metal-shearing devices
- B23D29/023—Hand-operated metal-shearing devices for cutting wires
Definitions
- J aw C is provided with ⁇ a concave edge, b, figs. 3 and 4,'and is more particularlyused for grafting,
- the blade B may be removed by unscrewing bolts l and e, and only use the cutter b, of sweep and concave edge of' jaw, fig. 3, by which weight is diminished.
- Sweep A provided with slot a., and cutter b, blade B, .and its connection with sweep A, jawO, with concave edge, b', pivoted and arranged as shown and described.
Description
llutrd tatre @anni @Minet WILLIAM RICHARD, 'oF oLYDE, '.oIIIo.
Letters Patent N o. 10'1 ,542, lla-teal September 20, 1870.
IMPROVEMENT IN PRUNING-KNIVES.
The-Schedule referred to in these Letters Patent and making parl: of the same.
I, WILLIAM RICHARD, of Clyde, in the'county of Sandusky and State ofOhio, have invented certain by which arrangement, when the knife is open, and
when cutting, an increase of power is obtained in proportion to the decrease of distance between the pivots v c and e.
J aw C is provided with` a concave edge, b, figs. 3 and 4,'and is more particularlyused for grafting,
where a perfectly smooth and square ont is required for grafting.I The blade B may be removed by unscrewing bolts l and e, and only use the cutter b, of sweep and concave edge of' jaw, fig. 3, by which weight is diminished.
Claim.
Sweep A, provided with slot a., and cutter b, blade B, .and its connection with sweep A, jawO, with concave edge, b', pivoted and arranged as shown and described.
WILLIAM RICHARD.-
Witnesses A. L. HATFIELD, .CHARLES F. FLOWERS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US107542A true US107542A (en) | 1870-09-20 |
Family
ID=2177016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US107542D Expired - Lifetime US107542A (en) | Improvement in prtjning-knives |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US107542A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020222A (en) * | 1987-02-10 | 1991-06-04 | Fiskars Oy Ab | Variable force compound action leverage tool |
| WO2010119143A1 (en) * | 2009-03-09 | 2010-10-21 | Zenten Bernhard Groten, S.L. | Cutting nippers for plastic tubes |
| USD753455S1 (en) | 2014-07-30 | 2016-04-12 | Milwaukee Electric Tool Corporation | Cutting tool |
-
0
- US US107542D patent/US107542A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020222A (en) * | 1987-02-10 | 1991-06-04 | Fiskars Oy Ab | Variable force compound action leverage tool |
| WO2010119143A1 (en) * | 2009-03-09 | 2010-10-21 | Zenten Bernhard Groten, S.L. | Cutting nippers for plastic tubes |
| USD753455S1 (en) | 2014-07-30 | 2016-04-12 | Milwaukee Electric Tool Corporation | Cutting tool |
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