US117082A - Improvement in wood-boring tools - Google Patents
Improvement in wood-boring tools Download PDFInfo
- Publication number
- US117082A US117082A US117082DA US117082A US 117082 A US117082 A US 117082A US 117082D A US117082D A US 117082DA US 117082 A US117082 A US 117082A
- Authority
- US
- United States
- Prior art keywords
- wood
- improvement
- boring tools
- tool
- screw
- 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
- 210000003414 Extremities Anatomy 0.000 description 2
- 210000000088 Lip Anatomy 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
- B23G5/06—Taps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/904—Tool or Tool with support with pitch-stabilizing ridge
- Y10T408/9046—Tool or Tool with support with pitch-stabilizing ridge including tapered section
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/905—Having stepped cutting edges
- Y10T408/906—Axially spaced
Definitions
- the nature of this invention relates to an improvement in tapered boring and reamin g-augers or bits; and it consists in providing such reamers with a feed-screw near the cutting-lips or y points, the tool where the threads are cut being swaged up to a greater'diameter than if the taper were carried down to the lips; also, in providing it with an internal thread eut in a reverse direction to the external one, for the purpose of feeding or forcing up the chips, instead of letting' them fall below the lumber, board, or stave Which is being reained.
- A represents the body of an ordinary concavo-convex tapered Wood-reamer, the left-hand edge being sharpened so as to cut when the tool is turned to the right.
- the point of the tool is coned, and provided with a cutting-lip, a.
- the extremity ofthe main part of the tool is upset and hasV cut on the enlarged part a right-hand screw, as shown at b, while the interior or concave side of that portion has a lefthand screw-thread cut thereon, it being also upset or made thicker than the part above it, as shown at c, Fig. 2.
- the eutting-lip-at the point enables the tool to penetrate the Wood, while the thread b acts as a feed-screw to draw it in.
- the left-hand screw c forces the chips upward and thus clears the opening.
- the hole is roamed by the cutting-edge of the reamer to any desired diameter in the usual manner.
- the concave-convex reamer A provided with the cutting-lip a, external screw-thread I), and intern al screw-thread c, as and for the purpose set forth.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
VJ.-J. KRAU s,
Boring 8C Reamng' Tool PATENTE JUL 18 1871 PATENT OFFICE.
JOSEPH J. KRUS, OF MENASIIA, WISCONSIN.
IMPROVEMENT IN WOOD-BORING TOOLS.
Speciiication forming part of Letters Patent No. 117,082, dated July 18, 1871.
To all 'whom it may concern:
Be it known that I, JOSEPH J. KRAUs, of Menasha, in the county of Winnebago and State of Wisconsin, have invented a new and useful Improvement in VVood-Boring and eaming-Tool; and I do declare that the following is a true and accurate description thereof, reference being had to the accompanying drawing and to the letters of reference marked thereon, and being a part of this specication, in Which- Figure 1 is an elevation of the convex, and Fig. 2 a similar View of the concave side of my reamer.
Like letters indicate like parts in each iigiue.
The nature of this invention relates to an improvement in tapered boring and reamin g-augers or bits; and it consists in providing such reamers with a feed-screw near the cutting-lips or y points, the tool where the threads are cut being swaged up to a greater'diameter than if the taper were carried down to the lips; also, in providing it with an internal thread eut in a reverse direction to the external one, for the purpose of feeding or forcing up the chips, instead of letting' them fall below the lumber, board, or stave Which is being reained.
In the drawing, A represents the body of an ordinary concavo-convex tapered Wood-reamer, the left-hand edge being sharpened so as to cut when the tool is turned to the right. The point of the tool is coned, and provided with a cutting-lip, a. The extremity ofthe main part of the tool is upset and hasV cut on the enlarged part a right-hand screw, as shown at b, while the interior or concave side of that portion has a lefthand screw-thread cut thereon, it being also upset or made thicker than the part above it, as shown at c, Fig. 2. The eutting-lip-at the point enables the tool to penetrate the Wood, while the thread b acts as a feed-screw to draw it in. At the same time the left-hand screw c forces the chips upward and thus clears the opening. The hole is roamed by the cutting-edge of the reamer to any desired diameter in the usual manner.
Vhat I claim as my invention, and desire to secure by Letters Patent, is#
The concave-convex reamer A, provided with the cutting-lip a, external screw-thread I), and intern al screw-thread c, as and for the purpose set forth.
JOSEPH J. KRAUS.
Vitnesses:
WM. F. BAUER, H. TRILLTNG.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US117082A true US117082A (en) | 1871-07-18 |
Family
ID=2186539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US117082D Expired - Lifetime US117082A (en) | Improvement in wood-boring tools |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US117082A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316683A (en) * | 1979-08-24 | 1982-02-23 | Roger A. Schott | Semi-circular thread tap |
| US20030124859A1 (en) * | 1998-09-29 | 2003-07-03 | Applied Materials, Inc. | CVD plasma assisted low dielectric constant films |
-
0
- US US117082D patent/US117082A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316683A (en) * | 1979-08-24 | 1982-02-23 | Roger A. Schott | Semi-circular thread tap |
| US20030124859A1 (en) * | 1998-09-29 | 2003-07-03 | Applied Materials, Inc. | CVD plasma assisted low dielectric constant films |
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