US234966A - con roy - Google Patents

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US234966A
US234966A US234966DA US234966A US 234966 A US234966 A US 234966A US 234966D A US234966D A US 234966DA US 234966 A US234966 A US 234966A
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Prior art keywords
chuck
cork
cutters
plunger
cutting
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27JMECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J5/00Mechanical working of cork
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/34Combined cutting means
    • Y10T408/356Combined cutting means including plunging [single stroke] cutter

Description

(No Model.) I 2 Sheets-Sheet 1.
E. GONROY. Machine for Forming Plugs I .No. 234,966. Patented Nov. 30,1880.
J" Wjmeww. git-3 11, 0?
(No Model.) I 2 Sheets-Sheet 2.
E.- GONROY. Machine for Forming Plugs. No. 234,966. x Pate nted Now-30,1880.
Ryan/1301i Witness as N.PETERS, PHOTO-LITHOGRAFHER. WASHINGYON, D 04 UNITED STATES PATENT EEicE.
EDWARD OONROY, OF BOSTON, MASSACHUSETTS, ASSIGNOR OF TWO-THIRDS TO ROBERT M. LILLEY, OF SAME PLACE.
MACHINE FOR FORMING PLUGS.
SPECIFICATION forming part of Letters Patent No. 234,966, dated November 30, 1880.
Application filed April 15, 1880.
To all whom "it may concern:
Be it known that I, EDWARD OoNRoY, of Boston, in the county of Sufiolk and State of Massachusetts, have invented certain Improvements in Machines for Forming Plugs, Ro-
settes, Corks, &c., of which the following is a specification.
This invention has for its object to provide means for rapidly forming plugs, rosettes, 1o corks, and other cylindrical bodies from wood or other material, and insuring uniformity of size and shape in all the articles of a given kind so long as it is desired to produce articles of a uniform size. This invention also has for its object to provide means for forming a tapering cork and for cutting a hole in the cork, so that the core removed from the cork in forming the hole may be utilized as a small cork.
To these ends the invention consists, chiefly, in a lathe-chuck having a series of radially-adjustable jaws, each jaw carrying a cutting tool or tools adapted to operate, as hereinafter described, on a piece of wood, cork, or other ma- 2 5 terial held at right angles to the axis of the chuck.
The invention also consists in the provision of means for automatically moving the cutters while they are in operation, whereby they are caused to form a tapering cork or other article.
The invention also consists in the provision of means for perforating a cork or other article while it is being formed, all of which I will now proceed to describe.
Ofthe accompanying drawings,formingpart of this specification, Figure 1 represents an end view of a chuck for cutting plugs embodying my invention. Fig. 2 represents a side elevation of the same. Fig. 3 represents an end view of the scroll of the chuck. Fig. 4
represents a side view of a modified form for cutting rosettes. Fig. 5 represents a view of a lathe, on a reduced scale, embodying my invention. Fig. 6 represents an end view, showing a modification of my invention for cutting tapering corks. Figs. 7 8, and 9 represent sections on line a; at, Fig. 6, showing different parts of the operation. Fig. 9 shows amodification.
The same letters of reference indicate the same parts in all the figures.
(No model.)
In carrying out my invention 1 provide a lathe-chuck, a, having jaws b b b, which are radially adj ustable-that is, toward and from the center of the chuck.
I prefer to employ a so-called universal or scroll chuck having a rotary plate, a, provided with a scroll, a engaging with rack-teeth 1) formed on thejaws Z), the latter sliding out or in when the plate a is rotated through radial slots in the face of the chuck.
A chuck constructed as described, with jaws adapted to co-operate in grasping a drill or other rotary tool placed between them, is well known, and is no part of my invention. 6
I modify the construction of the chuck by providing each jaw with an extension or toolholder, 0, which is rigidly attached to or is formed in the same piece with the jaw. To each of those tool-holders I attach a scoring or cutting tool, 01, which extends longitudinally of the holder and is substantially parallel with the axial center of the chuck. The points of the cutters cl are equidistant from the axial center of the-chuck, and when the latter occupies its usual position in a lathe and is rotated said points are adapted to enter and form a circular incision or score in a piece, 6, of wood or other material held at right angles to the axis of the chuck against the tail-stock f of the latter, either the chuck or the tail-stock-preferably the former-being moved to force the cutters into the material until it is entirely out through, a cylindrical body or plug being thus separated from the piecec.
WVhen the chuck is made movable to force the cutters into the material I provide a lever,
h, pivoted at i to the frame of the lathe, and connected by suitable means to the arbor j of 0 the chuck, so that when turned on its pivot it will move the arbor and chuck in one direction or the other, according to the direction in which the lever is moved.
The lever is provided with a treatlle, j, at its lower end, so that the operator can move the chuck toward the tail-stock by depressing the treadle. When the lever is released a spring it forces the lever back to its original position and withdraws the chuck from the tail-stock.
It will be seen that with the described mechanism cylindrical bodies or plugs of uniform size can be rapidly produced, the chuck being rotated at a high rate of speed, so that only a momentary depression of the treadle is required for the operation of cutting each plug. The plugs produced are especially designed to be driven into auger-holes on ships to cover the heads of bolts, 850.; hence it is important that they should be of uniform size. By adjusting the jaws plugs of any desired size may be produced.
The scoring-cutters, being equidistant from the axial center of the chuck, may be readily and perfectly sharpened by placing a cylindrical emery-stick between them.
I prefer to provide each tool-holder with a secondary cutter, I, so arranged with reference to the cutter d that it will chamfer or bevel the end of the plug produced, and thus enable the plug to be driven more easily into its anger-hole. If desired, however, the cutters l may be formed with curved edges or ends, as shown in Fig. 4, adapted to cut away a large portion or the whole of the end of the plug and form ornamental annular beads and grooves thereon. \Vhen the cutters Zare formed as last described the plugs cut by the scoringcutters d are made into rosettes for ornamenting furniture, &c., and are produced much more rapidly than by the old method of turning in a lathe with a tool held by the operator. A central rotating cutting-tool, m, may also be employed to finish the center of the rosette, said tool being on the end of a s tiindlepawhich is in line with and rotates with the arbor of the chuck, and is adapted to form a boss or other finish on the center of the rosette.
The apparatus described without the secondary cutters may be modified so as to cut tapering cork stoppers from a slab or block of cork. To this end 1 make each tool-holder in two parts, 1 and 2, the part 1 being a socket or frame rigidly attached to its jaw, and the part 2 beingablock adapted to move in said frame toward and from the axial line of the chuck and pressed inward by springs 0, and adapted to be inclined with relation to the axial line of the chuck. I also provide a rod or plunger, 9, which is inserted in a socket in the a bor of the chuck and projects toward the tail-stock in line with said arbor, the outer end of said plunger bearing against the material 0 to be cut. The plungerp is backed by a spring, g, which forces it toward the tail-stock, and is provided with a longitudinal slot,r,into which projects a pin or screw, 8, attached to the chuck or to a collar thereof. Said slot and screw enable the plunger to slide independently of the chuck to a certain extent and cause the plunger to rotate with the chuck. The plunger is provided with a tapering collar or pattern, t, which has the same taper as the corks to be produced, and is arranged to afford a bearin g for the shanks of the cutters and hold the latter in inclined positions, as shown in Figs. 7,8, and 9.
When the chuck is in operation its movebetween their cutting ends and cause them to I give the desired taper to the cork.
It is often desirable to produce perforated or shell corks,and to this end I make the end of the plun ger in the form of a punch 20, adapted to cut into the cork and remove a cylindrical core or small cork therefrom. The punch is caused to enter the cork partly by the rotation of the plunger with the chuck and partly by the force of the spring q; but the punch does not commenoe to operate until the cutters d have'nearly completed their operation,the punch and pl unger being resisted and pressed back by the cork, so as to give the requisite movement to the pattern, as above described, until the spring q is compressed sufficiently to overcome the initial resistance of the surface of the cork to the punch. When the punch once effects an entrance into the cork its progress under the pressure of the spring q is rapid, so that it completes its work at the same moment that the cutters d sever the cork.
The punch is provided with a spring-plunger, o, to eject the cores removed by it from the corks. The punch is so formed that the cores removed have smooth surfaces, and are useful as stoppers for small vials, 850.
If desired, the spring-plunger may be provided with a drill, c, to bore a hole in a plug or button, it, formed by the cutters d, said plug serving as a nut or head to a wire handle inserted through a cork and preventing said handle from being withdrawn.
The drill is prevented from entering the plug or button too deeply by a shoulder on the plunger. The plug or button can be formed by the operation already described.
In case the end of the cork last out should be irregularly tapered in consequence of the movement of the pattern with the punch while the latter is perforating the cork, such irregu larly-tapered end can be removed, if desired; but as it will usually be at the larger end of the cork the irregularity will not be detrimental.
It will be understood that in all cases when it is not desired to perforate the cork the plunger will have a suitable flat head to bear against the end of the cork and prevent the forward movement of the plunger and pattern.
The pattern 25 is removably attached to the plunger by being screwed into a threaded portion of the plunger. The pattern may therefore be removed and reversed, so as to cause the cutters to incline inwardly from their rear ends to their points and cause the points of the cutters to approach each other or contract as the pattern is moved, thereby enabling the cutting of a cork to be commenced at the larger end.
When the pattern is arranged as in Figs. 7,
8, and 9 the cutters expand and the cutting of the cork is commenced at the smaller end.
Havingthus described my invention, what I claim, and desire to secure by Letters Pat- 4 cut, is-
1. The combination of a universal or scroll chuck having the simultaneously-moving radially-adjustable jaws, tool-holders attached to said jaws, and thin scoring-cutters attached to the tool-holders, adapted to score or cut a narrow annular incision in a piece of wood or cork, whereby a cylindrical plug or stopper of any desired size may be formed with a minimum waste of material in the form of cuttings or shavings.
2. The combination of a chuck having radially-movable jaws, a series of cutters connected to said jaws and pressed inwardly toward the axial center of the chuck by springs,
20 and a plunger in line with the axial center of the chuck, forced by a spring against the ma terial to be cut by the cutters, and provided with a tapering pattern, forming a support for the shanks of the cutters and moving the cutters radially while they are in operation, Whereby the cutters are caused to form a tapering cylinder or cork, as set forth.
3. In combination with a chuck and its radially-yielding cutters, the spring-impelled plunger adapted to rotate with the chuck, and provided with the punch adapted to perforate a cork formed by the cutters, as set forth.
In testimony whereofI have signed my name to this specification, in the presence of two subscribing witnesses, this 12th day of April, A. D. 1880.
EDWARD OONROY.
Witnesses:
H. G. WADLIN, CARROLL I). WEIGHT.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272243A (en) * 1963-10-11 1966-09-13 Sr Frank W Hayes Plug cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272243A (en) * 1963-10-11 1966-09-13 Sr Frank W Hayes Plug cutter

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