US130874A - Improvement in mortising-chisels - Google Patents
Improvement in mortising-chisels Download PDFInfo
- Publication number
- US130874A US130874A US130874DA US130874A US 130874 A US130874 A US 130874A US 130874D A US130874D A US 130874DA US 130874 A US130874 A US 130874A
- Authority
- US
- United States
- Prior art keywords
- chisels
- improvement
- mortising
- chisel
- roughened
- 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
- 102100000672 SMPX Human genes 0.000 description 12
- 108060007673 SMPX Proteins 0.000 description 12
- 210000000088 Lip Anatomy 0.000 description 8
- 230000000875 corresponding Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D3/00—Hand chisels
Definitions
- Figure 1 represents a longitudinal section
- Fig. 2 a face view, of our improved chisel.
- This invention relates to that class of chisels so made as to draw out of a mortise the chips and shavings which it detaches from the block.
- the invention consists in providing the chisel with a roughened or grooved inner face and with similarly-roughened lips or side flanges, as hereinafter described.
- a in the drawing represents the body of the chisel, of suitable form and size.
- a a are the lips, formed at its lower part close to its side edges. These lips are toothed or roughened on their sides, as at b I), while the inner face of the lower part of the chisel is also roughened, as at c c, in manner similar to a grater.
- the projecting prongs, rags, or teeth 12 b c 0 support the shavings and chips, or enter them in part, and serve, therefore, to draw them out whenever the chisel is withdrawn from the mortise.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Description
L. s. SHULER & 1'. CARPENTER.
Improvement in Mortising-Chisels.
No, 130,874, Patented Aug. 27,1872.
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Hfiitnnms:
- Q I .0; Wm
UNITED STATES PATENT OEEIoE.
LAWRENCE S. SHULER AND JAMES CARPENTER, OF JEFFERSONVILLE, IND.
IMPROVEMENT IN MORTlSlNG-CHISELS.
Specification forming part of Letters Patent No. 130,874., dated August 27, 1872.
Specification describing a new and useful Improvement in a Mortising-Chisel, invented by LAWRENCE S. SEULER and JAMES CAR- PENTER, of Jeflersonville, in the county of Clarke and State of Indiana.
Figure 1 represents a longitudinal section,
and Fig. 2 a face view, of our improved chisel.
Similar letters of reference indicate corresponding parts.
This invention relates to that class of chisels so made as to draw out of a mortise the chips and shavings which it detaches from the block. The invention consists in providing the chisel with a roughened or grooved inner face and with similarly-roughened lips or side flanges, as hereinafter described.
A in the drawing represents the body of the chisel, of suitable form and size. a a, are the lips, formed at its lower part close to its side edges. These lips are toothed or roughened on their sides, as at b I), while the inner face of the lower part of the chisel is also roughened, as at c c, in manner similar to a grater. The projecting prongs, rags, or teeth 12 b c 0 support the shavings and chips, or enter them in part, and serve, therefore, to draw them out whenever the chisel is withdrawn from the mortise.
Having thus described our invention, we claim as new and desire to secure by Letters Patent- The chisel A provided with the roughened inner face a 0 and lip a, as specified.
LAWRENCE S. SHULER. JAMES CARPENTER. Witnesses:
S. F. WARDER, H. B. DIBBLE.
Publications (1)
Publication Number | Publication Date |
---|---|
US130874A true US130874A (en) | 1872-08-27 |
Family
ID=2200291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US130874D Expired - Lifetime US130874A (en) | Improvement in mortising-chisels |
Country Status (1)
Country | Link |
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US (1) | US130874A (en) |
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0
- US US130874D patent/US130874A/en not_active Expired - Lifetime
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