US254732A - Cutter-head for wood-working machines - Google Patents
Cutter-head for wood-working machines Download PDFInfo
- Publication number
- US254732A US254732A US254732DA US254732A US 254732 A US254732 A US 254732A US 254732D A US254732D A US 254732DA US 254732 A US254732 A US 254732A
- Authority
- US
- United States
- Prior art keywords
- cutters
- head
- cutter
- wood
- collar
- 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
- 230000037250 Clearance Effects 0.000 description 8
- 230000035512 clearance Effects 0.000 description 8
- 239000002023 wood Substances 0.000 description 8
- 229920000136 polysorbate Polymers 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
- B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
- B27G13/10—Securing the cutters, e.g. by clamping collars
Description
2 Sheets-Sheet 1.
(No Model.)
J. C. TUNNIULIPP.
OUTTER HEAD FOR WOOD WORKING MAOHINES.
No. 254,732. Patented Mar. 7,1882.
Fig: 1
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W I II llllllm! I z (No Model.) 2 SheetsSheet 2.
J. O. TUNNIGLIPP.
CUTTER HEAD FOR WOOD WORKING MAGHINES.
No. 254,782. Patented Mar. 7,1882.
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UNITED STATES;
PATENT OFFIC JOHN G. TUNNIOLIFF, OF GALESBURG, ILLINOIS.
CUTTER-HEAD FOR WOOD-WORKING MACHINES.
SPECIFICATION forming part of Letters Patent No. 254,732, dated ll'Iarch '7, 1882.
Application filed August 5, 1881. (No model.) i
To all whom it mag/concern Be it known that I, JOHN G. TUNNIOLIFF, a citizen of the United States, residing at Galesburg, in the county of Knox and State of Elinois, have invented certain new and useful Irn-- provements in Gutter-Heads; and I do hereby declare the following to be a full,clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.
This invention relates to cutter-heads of that class used with woodworking machines for chamfering, rounding, beveling, and giving vari'ons similar forms to the edges and sides of wood-work; and the invention consists in a collarlocated between thebitsor cutters, adapted to act as a gage to regulate the depth of cut of said cutters, and provided with a thicker portion or projection of smaller diameter thanthe gage portion, which thickened portion con tains grooves for the reception of the cutters, which are held therein by grooved head-stocks, all as hereinafter described, and set forth in the claims-hereto annexed.
In the accompanying drawings, which illustrate my invention, and in which the same letter is used as a mark of reference for the same part in the different figures, Figure 1 is a side elevation of a cutter-head embodying my invention. Fig. 2 is same elevation as Fig. 1, but different cutters shown in place. Fig. 3 is a perspective. Fig. 4 is a perspective of the gage-collar. Fig. 5 is a sectional elevation.
Letter A represents the shaft on which the working parts of my device are mounted. The shaft A may project upward from the frame B, in which it is journaled, as shown at Fig. l; or it may be pendent or be placed in a horizontal position, orinclined at any desired angle to a horizontal or vertical position, and may be rotated in any well-known or desired manner. The frame B may be constructed also in any ordinary or desired manner, as also may the devices for throwing the shaft A into and out of gear with the driving mechanism.
0 0 represent head-stocks, the lower one,
C, restiugion a shoulder, a, on the shaft A, and the outer one, (J, adapted to slide on the shaft A, which passes through its center, and
to be forced toward the stock 0 by a nut,o,'
on the shaft A. The head-stocks D C have grooves c in their confronting faces, which receive each one edge of a cutter in the ordinary manner.
V D is acircular gage-collar with a centralhole, through which the shaftA passes, and circurnferential rabbets d in its periphery, by means of which its main portion D is thickened, so that grooves (1 may be formed therein to correspond with the grooves cin the head-stocks, and so that clearance may be made for the cutters, as hereinafter described. The grooves d are cut same depth as the rabbets d.
E E are the cutters used for rounding the edges of wood-work. Each cutter E is formed, as shown in the drawings, with beveled edges adapted to fit the grooves 0 cl, and with an arc-shaped cutting-edge, 0. One cutter, E, is placed between the head-stock G and the collar D, and the other between the head-stock O and collar D, where they may be securely held by tightening the not a. The cutters E may be adjusted lengthwisein the grooves c (1, and should be fixed in positions as shown at Fig. 3-that is, with all parts of their cuttingedges projected beyond the part D of the collar D, so as to give clearance to the cutters and in such positions that the outer edge, D, of the collar or disk D will be in line with the adjacent corners of the cutters, whereby woodwork F may be passed along in contact with the cutters, as shown at Fig. 1, which cutters remove its corners and round it down until the disk D comes in contact with the surface of the stuff F, and thereby acts as a gage to stop the further action of the cutters on the stuff F.
In operation blocks G may be placed on the table or frame B to support the piece to be operated on at the proper height; but all patterns, 850., to which the piece F is attached in ordinary rounding -llld0llll16S, are dispensed with.
Projections on the collar D may be used in stead of the thickened portion D.
It will be seen that the cutters may be sharpened withoutchangingtheourve of the cuttingedge, whereas in the ordinary cutter having a semicircular cutting-edge sharpening it has a tendency to enlarge the circle.
For beveling or chamfering wood-work, outters E are used with cutting-edges e, as shown at Fig. 2. It will readily be seen that the cutters E may be moved outward and adjusted to cut the corners from narrower stuff, as shown by dotted lines at Fig. 2, and moved inward and adjusted to work wider stuff, and may be adjusted in a similar manner to remove more or less corner from the wood, thus doing the work for which various-sized cutters are required in ordinary machines.
Cutters having differently-formed cuttingedges may be used for various kinds of work; but in all cases the wood to be operated on is simply passed along in contact with the cutters; and the gage-collar D acts as a guide to limit the depth of the cut. The distance be tween two cutters may be increased byinserting more than one gage-collar D, as desired.
What I claim as new, and desire to secure by Letters Patent, is-- 1. In a cutter-head, in combination with grooved head-stocks, the gage-collar D, having athicker portion D, or projection, with grooves in said thicker portion, in which grooves the cutters are seated, and may be adjusted lengthwise, and held after adjustment by said headstocks, with all parts of their cutting-edges projecting beyond said portion D to give clearance to the cutters, substantially as specified.
2. In a cutter-head, in combination with a shaft, A, grooved head-stocks 0 O, and nut a, a gage-collar, D, having a thickened portion of smaller diameter and grooved for the reception of the cutters, substantially as and for the purpose specified.
3. The gage-collar D, having a thicker portion, D, or projection, for holding the cutters, which project beyond said portion D to give clearance to the cutters, in combination with the cutters and suitable head-stocks, substantially as and for the purpose specified.
In testimony whereof I affix my signature in presence of two witnesses. 7
JOHN G. TUNNIOLIFF.
Witnesses:
SAML. N. GROSE, J. F. BARKER.
Publications (1)
Publication Number | Publication Date |
---|---|
US254732A true US254732A (en) | 1882-03-07 |
Family
ID=2324027
Family Applications (1)
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US254732D Expired - Lifetime US254732A (en) | Cutter-head for wood-working machines |
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US (1) | US254732A (en) |
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- US US254732D patent/US254732A/en not_active Expired - Lifetime
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