US52174A - Improvement in bits for boring holes - Google Patents
Improvement in bits for boring holes Download PDFInfo
- Publication number
- US52174A US52174A US52174DA US52174A US 52174 A US52174 A US 52174A US 52174D A US52174D A US 52174DA US 52174 A US52174 A US 52174A
- Authority
- US
- United States
- Prior art keywords
- bit
- screw
- bits
- improvement
- gage
- 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
- 239000002023 wood Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000001105 regulatory Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 125000003696 stearoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/10—Bits for countersinking
- B23B51/104—Bits for countersinking with stops
-
- 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
- Y10T408/86—Tool-support with means to permit positioning of the Tool relative to support
- Y10T408/87—Tool having stepped cutting edges
- Y10T408/8725—Tool having stepped cutting edges including means to permit relative axial positioning of edges
- Y10T408/8729—Tool having stepped cutting edges including means to permit relative axial positioning of edges with work-engaging structure other than cutting edge
Definitions
- the object of our invention is to produce a device by means of which, when attached to a bit or other boring-tool, holes can be cut for the reception of screw-heads and the depth of the holes made both by the boring-tool and our invention can be regulated at the same time the hole is made for the reception ot' the screw.
- Our invention consists of a piece of steel perforated so as to permit the passage through it of a bit Or other boring-tool and having at either end a knife or cutter of the forms hereinafter described, and also a gage, O, nut d, and screw B, in combination.
- the piece of steel upon which the two cutters are constructed is shown at A, and the cutters at f and e, respectively.
- the partA having the cutters, is secured in its position by the screw B pressing against the bit, as shown in Fig. 4. By relieving the bit from this pressure the device can be entirely removed. Either cutter can be employed by adjusting the device with the one desired to be used turned downward toward the end of the bit, as shown in Figs. l and 2.
- the knife e is made inclined at an angle from the bit, as shown in Figs. l and 2 ,for the purpose of cutting a hole large a the top than at the bottom, so as to receive a screwhead.
- the knife j' is composed of the vertical blade 7c and the part h, which are intended to cut a depression in the wood the sides of which shall be perpendicular.
- the gage O and the nut d. rlhe purpose ofthe gage is to control the depth to which either ot' the abovedescribed knives shall penetratethe wood upon which they may be used.
- the gage turns easily upon the screw, but can be secured in position by the nut d.
- lt is provided with a slot, ⁇ s, Fig. 4, so that it may slide up and down on the screw B, and by this the depth to which the cutters are desired to penetrate the wood upon which they are used is regulated and controlled. Then the horizontal portion m rests upon the wood the further penetration of the bit and countersink is prevented.
- depressions for the reception of the screw-head and the hole for the reception of' the screw can be made at a single operation.
- the extent to which both the boring-tool and the countersink can penetrate can be governed by the gage.
- the portion A ofour invention can be made of any suitable form, combining the knives, as described, and tted with the hole for the reception ofthe bit, Ste., and provided with the screw-gage and nut, as before specified.
Description
UNITED STATES BATRNT Ormea.
CHARLES F. KIMBALL AND ALEXR. PARSONS, OF PORTLAND, MAINE.
IMPROVEMENT IN BITS FOR BORING HOLES.
Specification forming part of Letters Patent No. 52,7, dated January 23, 1866.
To all whom t may concern:
Be it known that we, CHARLES F. KIMRALL and ALEXANDER PARsONs, of Portland, in the county of Cumberland and State of Maine, have invented a new and useful Adjustable Oountersink and Gage; and we hereby declare the following to be a full, clear, and exact description thereof, which will enable others to make the same, reference being made to the accompanying drawings, forming part of this specication, in which- Figure l shows a side view otl our invention attached to a bit 5 Fig. 2, the saine reversed from Fig. l 5 Fig. 3, a front view, in perspective, showing the form of the cutters Fig. 4, a section of Fig. 3 and the manner of securing the device to a bit.
The object of our invention is to produce a device by means of which, when attached to a bit or other boring-tool, holes can be cut for the reception of screw-heads and the depth of the holes made both by the boring-tool and our invention can be regulated at the same time the hole is made for the reception ot' the screw.
Our invention consists of a piece of steel perforated so as to permit the passage through it of a bit Or other boring-tool and having at either end a knife or cutter of the forms hereinafter described, and also a gage, O, nut d, and screw B, in combination.
The piece of steel upon which the two cutters are constructed is shown at A, and the cutters at f and e, respectively.
The partA, having the cutters, is secured in its position by the screw B pressing against the bit, as shown in Fig. 4. By relieving the bit from this pressure the device can be entirely removed. Either cutter can be employed by adjusting the device with the one desired to be used turned downward toward the end of the bit, as shown in Figs. l and 2.
-The knife e is made inclined at an angle from the bit, as shown in Figs. l and 2 ,for the purpose of cutting a hole large a the top than at the bottom, so as to receive a screwhead.
The knife j' is composed of the vertical blade 7c and the part h, which are intended to cut a depression in the wood the sides of which shall be perpendicular.
Upon the screw B are fitted the gage O and the nut d. rlhe purpose ofthe gage is to control the depth to which either ot' the abovedescribed knives shall penetratethe wood upon which they may be used. The gage turns easily upon the screw, but can be secured in position by the nut d. lt is provided with a slot, `s, Fig. 4, so that it may slide up and down on the screw B, and by this the depth to which the cutters are desired to penetrate the wood upon which they are used is regulated and controlled. Then the horizontal portion m rests upon the wood the further penetration of the bit and countersink is prevented.
By applying our invention to a bit or other boring-tool when holes for the reception of screws are intended to be made, depressions for the reception of the screw-head and the hole for the reception of' the screw can be made at a single operation. At the same time the extent to which both the boring-tool and the countersink can penetrate can be governed by the gage.
The portion A ofour invention can be made of any suitable form, combining the knives, as described, and tted with the hole for the reception ofthe bit, Ste., and provided with the screw-gage and nut, as before specified.
What we claim as our invention, and desire to secure by Letters Patent, is-
The combination of the part A, having the hole and knives e and f, as described, with the screw B, the nut d, and the gage C, all as and for the purposes specified.
OHAS. F. KIMBALL. ALEXANDER PARSONS. Witnesses:
WILLIAM H. CLIFFORD, J. F. RICHARDSON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US52174A true US52174A (en) | 1866-01-23 |
Family
ID=2121721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US52174D Expired - Lifetime US52174A (en) | Improvement in bits for boring holes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US52174A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2832386A (en) * | 1953-08-31 | 1958-04-29 | Wood Mfg Co Inc Van | Multi-step drill |
| EP3456475A1 (en) * | 2017-07-17 | 2019-03-20 | Wolfcraft GmbH | Rotating tool |
-
0
- US US52174D patent/US52174A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2832386A (en) * | 1953-08-31 | 1958-04-29 | Wood Mfg Co Inc Van | Multi-step drill |
| EP3456475A1 (en) * | 2017-07-17 | 2019-03-20 | Wolfcraft GmbH | Rotating tool |
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