US344810A - Cutter-head - Google Patents
Cutter-head Download PDFInfo
- Publication number
- US344810A US344810A US344810DA US344810A US 344810 A US344810 A US 344810A US 344810D A US344810D A US 344810DA US 344810 A US344810 A US 344810A
- Authority
- US
- United States
- Prior art keywords
- cutter
- block
- head
- faces
- knives
- 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
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 101700043281 LADD Proteins 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G13/00—Cutter blocks; Other rotary cutting tools
- B27G13/02—Cutter blocks; Other rotary cutting tools in the shape of long arbors, i.e. cylinder cutting blocks
- B27G13/04—Securing the cutters by mechanical clamping means
-
- 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
- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
- Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
- Y10T407/1942—Peripherally spaced tools
Definitions
- My invention to be hereinafter distinctly claimed, relates to improvements in surfacing cutter-heads, and particularly to the form and construction of the knives and their seats on the block.
- the object of the invention is to provide a knife of such form that it may be firmly but adj ustably secured to the block, that will perform satisfactory work on any kind of lumber, both in respect of ease in cutting the material and of finish of the work, as well as that it will most successfully clear itself of all shavings and chips, and may be sharpened conveniently and quickly.
- Figure 1 is an end view of the cutter-block with a shingle-knife attached.
- Fig. 2 is an elevation of the cutter-head longitudinally upright, showing a knife attached to the block on one of th seats.
- the cutter-head block a is in its general contour cylindrical in form, having a longitudinal axial aperture, b, for receiving the spindle on which the cutter-head is fixed for work.
- These faces-c c in the direction of the circumference of the block, are a segment of a circle, the radii of the circles of which several faces are longer than the radius of the circumference of the cutter'head, and are each sufficiently wide to furnish a bearingsurface or seat for the full inner surface of the knife, except only its beveled edge.
- the construction of these several faces a c eccentricall y on the periphery of the block a provides recesses g in the surface of the block, out over the edge of which the knives project, and which form receptacles into which chips and shavings may fly and be thrown off.
- the knives are each formed of sheet-steel of rhomboidal form, curved to fit the faces 0, with their front or cutting edge, It, beveled off rearwardly inwardly.
- These knives one of which should be affixed to each of the faces a c, are each provided with slots v1 '11, extending inwardly from their rear edges, which slots are adapted to receive therethrough the bolts or screws j j, which screws turn into the block a.
- slots 6 v; and screws j j the knives (l may be adj usted farther to front or rear on the faces a c, and held in position on the cutter-block when so adjusted.
- the spiral form of the edge of the knife pro vides for a drawing or shearing out, which is accomplished with less resistance and secures a smoother and more satisfactory surface on the material than can be attained with straightedged knives, while the inwardly-' beveled edge carries the chips and shavings inwardly at such an angle that they do not get in between the knife and block, as frequently occurs with knives without such inwardly bev eled and curved edge.
- the knives when ground off, may be adj nst ed farther to the front, and their entire inner plain surface being adapted to fit on the faces a, they may be held rigid on the cuttenblock,
Description
(No Model.)
- H. S. BOYNTON.
CUTTER HEAD. No. 344,810. Patented July 6, 1886.
WZZnsses g I lwvzegg I NITED STATES PATENT O FICE.
HORACE S. BOYNTON, OF OSHKOSH, YVISCONSIN.
CUTTER-H EAD.
SPECIFICATION forming part of Letters Patent No. 344,810, dated July 6, 1886..
Application filed (jctolvcr 8. 1885. Serial No. 179,317. (No model.)
To aZZ whom it may concern.-
Be it known that I, HoRAoE S. BoYNroN, of Oshkosh, in the county of \Vinnebago and State of Y'Visconsin, have invented newand useful Improvements in Cutter-Heads; and I do hereby declare the following to be a full, clear, and exact description of said invention, reference being had to the accompanying drawings, and to the letters or figures of reference marked thereon, which form a part of this specification.
My invention, to be hereinafter distinctly claimed, relates to improvements in surfacing cutter-heads, and particularly to the form and construction of the knives and their seats on the block.
The object of the invention is to provide a knife of such form that it may be firmly but adj ustably secured to the block, that will perform satisfactory work on any kind of lumber, both in respect of ease in cutting the material and of finish of the work, as well as that it will most successfully clear itself of all shavings and chips, and may be sharpened conveniently and quickly.
In the accompanying drawings, Figure 1 is an end view of the cutter-block with a shingle-knife attached. Fig. 2 is an elevation of the cutter-head longitudinally upright, showing a knife attached to the block on one of th seats.
The same letters refer to like parts in both views.
The cutter-head block a is in its general contour cylindrical in form, having a longitudinal axial aperture, b, for receiving the spindle on which the cutter-head is fixed for work.
On the periphery of the block a are several faces, a a, forming seats for the knives (I. These faces-c c, in the direction of the circumference of the block, are a segment of a circle, the radii of the circles of which several faces are longer than the radius of the circumference of the cutter'head, and are each sufficiently wide to furnish a bearingsurface or seat for the full inner surface of the knife, except only its beveled edge. The construction of these several faces a c eccentricall y on the periphery of the block a provides recesses g in the surface of the block, out over the edge of which the knives project, and which form receptacles into which chips and shavings may fly and be thrown off. The knives are each formed of sheet-steel of rhomboidal form, curved to fit the faces 0, with their front or cutting edge, It, beveled off rearwardly inwardly. These knives, one of which should be affixed to each of the faces a c, are each provided with slots v1 '11, extending inwardly from their rear edges, which slots are adapted to receive therethrough the bolts or screws j j, which screws turn into the block a. By means of these slots 6 v; and screws j j the knives (l may be adj usted farther to front or rear on the faces a c, and held in position on the cutter-block when so adjusted. The spiral form of the edge of the knife pro vides for a drawing or shearing out, which is accomplished with less resistance and secures a smoother and more satisfactory surface on the material than can be attained with straightedged knives, while the inwardly-' beveled edge carries the chips and shavings inwardly at such an angle that they do not get in between the knife and block, as frequently occurs with knives without such inwardly bev eled and curved edge.
The knives, when ground off, may be adj nst ed farther to the front, and their entire inner plain surface being adapted to fit on the faces a, they may be held rigid on the cuttenblock,
and their edges will be thereby held steadily and truly to their work.
What I claim as new, and desire to secure by Letters Patent, is
1. The combination of a cylindrical cutter head block, a, adapted to be centrally affixed to a rotating shaft, and having rigid faces 0, transversely eccentric to the axis of the cutter-head, and formed upon and being a part of the perimeter of the cylinder, and extending the entire length thereof, with the curved adjustable knives d, fitted upon the faces 0, and provided with inwardly-beveled cutting edges, substantially as described.
2. The combination of a cylindrical cutterhead block, a, formed to be centrally affixed to a rotating shaft, and provided with rigid knives d, provided with slots 2', and the screws 10 faces 0, eccentric transversely and spiral longi- 7', substantially as described.
tndinally, with the knives d, curved trans In testimony whereofI affix my signature in versely and spirally-edged longitudinally fitpresence of two witnesses. 5 ted upon and affixed to the faces 0 substan- 7 T tially as described. HORACE BOYNTOB' 3. In a surfacing cutter-head, the eccentric- Witnesses: ally and spirally formed faces 0, in combina- J. W. LADD,
tion with. the curved rhomboidal shaped A. H. READ.
Publications (1)
Publication Number | Publication Date |
---|---|
US344810A true US344810A (en) | 1886-07-06 |
Family
ID=2413880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US344810D Expired - Lifetime US344810A (en) | Cutter-head |
Country Status (1)
Country | Link |
---|---|
US (1) | US344810A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4303605A (en) * | 1980-06-16 | 1981-12-01 | Lichfield William H | Production of layered toothpicks |
-
0
- US US344810D patent/US344810A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4303605A (en) * | 1980-06-16 | 1981-12-01 | Lichfield William H | Production of layered toothpicks |
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