US82A - Spiral bit with countersink for setting screws - Google Patents
Spiral bit with countersink for setting screws Download PDFInfo
- Publication number
- US82A US82A US82DA US82A US 82 A US82 A US 82A US 82D A US82D A US 82DA US 82 A US82 A US 82A
- Authority
- US
- United States
- Prior art keywords
- countersink
- bit
- setting screws
- spiral bit
- spiral
- 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
- 210000001699 lower leg Anatomy 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 210000000088 Lip Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- 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
Definitions
- spiral bit with countersink for setting screws is at one operation to bore a hole into wood to receive the screw, which hole shall be of difierent sizes, one part fitting the body, and the other the thread of the screw intended to be set, and to countersink the wood, or metal to receive the head of the screw,
- the lower or small end is made like that of the common spiral gimlet,
- the size, and length of the tool, and of various parts of it, should be according to the size, and length of the screw to be set, and the various parts of it.
- the shank may be either like that of a gimlet or bit, and the handle may be like that of a gimlet, or the shank may be used in a common bit stock.
Description
UNITED STATES PATENT OFFICE.
GEORGE PAGE, OF KEENE, NEW HAMPSHIRE.
SPIRAL BIT WITH COUNTERS-INK FOR SETTING SCREWS.
Specification of Letters Patent No. 82, dated November 17, 1836.
To all whom it may concern:
Be it known that I, GEORGE PAGE, of Keene, in the county of Cheshire and State of New Hampshire, have invented a new and useful machine or tool called the spiral bit, with countersink for setting screws, and that the following is a full and exact description of the construction and operation of the said machine or tool as invented by me.
The use of the spiral bit with countersink, for setting screws is at one operation to bore a hole into wood to receive the screw, which hole shall be of difierent sizes, one part fitting the body, and the other the thread of the screw intended to be set, and to countersink the wood, or metal to receive the head of the screw, The lower or small end is made like that of the common spiral gimlet,
but less tapering, and the length of the part made like a twist bit with lips, or cutters where the two parts are united like those of a common auger. These cutters projecting a little, make a hole larger than the part below. Above this second part the tool to form a vcountersink, swells to the size of the head of the screw. Through this swell a hole is made, and cutting edges are formed by filing sharp two sides of the hole diagonally opposite to each other. These edges are rounded the middle projecting forward a little, when the tool is intended to be used to countersink holes in metal, spiral teeth should be filed upon the swell, no hole being made through it. The size, and length of the tool, and of various parts of it, should be according to the size, and length of the screw to be set, and the various parts of it. The shank may be either like that of a gimlet or bit, and the handle may be like that of a gimlet, or the shank may be used in a common bit stock.
I claim as my invention The countersink at the upper end of the bit part in the shape first above described, and the combination of the spiral gimlet; the twist bit, and countersink in one tool.
GEORGE PAGE.
Witnesses:
T. W. EDWARDS, JOHN HATCH,
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US82A true US82A (en) | 1836-11-17 |
Family
ID=2060361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US82D Expired - Lifetime US82A (en) | Spiral bit with countersink for setting screws |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US82A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020066480A1 (en) * | 2000-12-04 | 2002-06-06 | Anderson Wayne R. | Pilot stage or pressure control pilot valve having a single armature/flapper |
| KR100705586B1 (en) * | 1999-05-03 | 2007-04-09 | 비트로 글로발, 에스. 에이. | A method for preparing pre-reacted batches of raw materials for the production of glass formulas |
| WO2019055082A1 (en) | 2017-09-18 | 2019-03-21 | S & P Ingredient Development, Llc | Low sodium salt substitute with potassium chloride |
| WO2020081280A1 (en) | 2018-10-17 | 2020-04-23 | Dow Global Technologies Llc | A coating composition, a coated fabric, a method of making a coated fabric, and an article made from the coated fabric |
| WO2020081279A1 (en) | 2018-10-17 | 2020-04-23 | Dow Global Technologies Llc | A coating composition, a coated fabric, a method of making a coated fabric, and an article made from the coated fabric |
| EP4220483A2 (en) | 2018-01-30 | 2023-08-02 | Composecure, LLC | Dual interface capacitive embedded metal card |
-
0
- US US82D patent/US82A/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100705586B1 (en) * | 1999-05-03 | 2007-04-09 | 비트로 글로발, 에스. 에이. | A method for preparing pre-reacted batches of raw materials for the production of glass formulas |
| US20020066480A1 (en) * | 2000-12-04 | 2002-06-06 | Anderson Wayne R. | Pilot stage or pressure control pilot valve having a single armature/flapper |
| WO2019055082A1 (en) | 2017-09-18 | 2019-03-21 | S & P Ingredient Development, Llc | Low sodium salt substitute with potassium chloride |
| EP4220483A2 (en) | 2018-01-30 | 2023-08-02 | Composecure, LLC | Dual interface capacitive embedded metal card |
| WO2020081280A1 (en) | 2018-10-17 | 2020-04-23 | Dow Global Technologies Llc | A coating composition, a coated fabric, a method of making a coated fabric, and an article made from the coated fabric |
| WO2020081279A1 (en) | 2018-10-17 | 2020-04-23 | Dow Global Technologies Llc | A coating composition, a coated fabric, a method of making a coated fabric, and an article made from the coated fabric |
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