US373284A

US373284A - gates

Info

Publication number: US373284A
Authority: US
Publication date: 1887-11-15
Anticipated expiration: 1904-11-15

Description

(No Model.) 5 Sheets-Sheet 1.

W. 8: L. W. GATES.

MACHINE FOR GAPPING TAGKS.

No. 373,284. I Patented Nov. 15, 1887.

(No Model.) 5 Sheets-Sheet 2.

W. & L. W. GATES.

MACHINE FOR GAPPING TAOKS.

Patented Nov. 15, 1887.

' 5 Sheets-Sheet Patented NOV. 15, 1887.-

Illlilllllll. I Y .llllL A if (No Model.)

W. & L. W GATE-S.

MACHINE FOR OAPPING TAGKS.

N. PETERS. PhotoLilhognphor, Walhinglun, D. C,

- (No Model.) 5 Sheets-Sheet 5.

W. & L W. GATES. MACHINE LOR APPING TACKS.

No. 373,284. Patented. Nov. 15, 1887.

'UNi'TED STATES PATENT Crrrcn.

WILLIAM GATES AND LOUIS VVFGATES, OF NEW HAVEN, CONNECTICUT,

, ASSIGNORS TO THE C. CO\VLES & COMPAN Y, OF SAME PLACE.

SPECIFICATION forming part of Letters Patent No.'373,284, dated November 15, 1887.

Application filed July 11, 1887. Serial No, 243,945. (No model.)

To all whom it may concern: of the cup down upon the under side of the Be it known that we, WILLIAM GATES and head, this operation being commonly called LoUIs W. GATES, of New Haven, in the county capping. of New Haven and State of Connecticut, have The'object of this invention is asimple nia- 5 invented new Improvements in Machines for chine, which, being supplied with cups and Capping Tacks; andwe do hereby declare the tacks, will automatically apply the cup to the following, when taken in connection with achead and deliver the capped tack complete companying drawings and the letters of referfrom the machine. ence marked thereon, to be a full, clear, and In Fig. 1" we represent a headed tack with I [O exact description of the same, and which said the cap detached, and in Fig. 1 the cup in secdrawings constitute part of this specification, tion which is to be applied to the tack. The and represent, intacks may be any of the common and well- Figure 1, a front view of the machine; Fig. known constructions. The cup is also of com- 1, a detached frontview ot' the slide, showing mon construction. It is made from sheet 15 the cam-slot 26; Fig. l", a vertical section ofa metal, of' a diameter and shape on its closed headed tack; Fig. 1, a section of the cap such end corresponding substantially to the finished as employed for capping the tack; Fig. 2, a head. The flange or sides of the cup are of a plan or top view of the machine; Fig. 3, a loudepth to receive the head and leave sufficient gitudinal sectional view cutting through the metal to be turned inward and closed upon the 2c i'ollowerand tack-channel; Fig. 4, a vertical inside of the head, so as to secure the cap upon section of the follower and tackreceiver, to the head.

illustrate their operation; Fig. 5, apartial ver- A represents the bed of the machine, suptical section illustrating thetransfer of the ported on legs B, and which carries the opera tack and cup to the punch; Fig. 6, a vertical t-ive mechanism of-the machine. 25 section of the punch and die below, illustrat- C represents'the driving'shaft supported in ing the manner of closing the cup on the head suitable bearings below the bed, and to which of the tack; Fig. 7, a transverse sectional iew power is applied through a pulley, D, to imillustrating the manner of presenting the cups part a constant rotation to the driving-shaft. to the follower; Fig. 8, a transverse section E represents the hopper adapted to receive 30 through the receiver, and as having receiveda the tacks and deliver them into an inclined tack from the channel; Fig. 9, the same view chute, F. The channel is of a width to peras Fig. 8, showing the receiver inverted as for mit the body of the tack to pass through, with delivering atack; Fig. 10, atransverse section the head resting upon each side, and such :1. illustrating the punch and slide which carries channel is used in various machines of this 5 it; Fig. 11, a horizontal section cutting on the character, the inclination of the channel, as plane of the upper surface of the slide Zr,- seen in Fig. 3, being sufficient to cause the Fig. 12, a detached view of the slide Zr and tacks to readily slide-down by their own gravthe nippers, illustrating the operation of the ity as the tacks are successively removed from nippers. Fig. 13 illustrates the operation of the lower end of the chute. 9o 40 the clearing-finger 24. G represents the hopper, adapted to receive This invention relates to an improvementin the cups; and H, the inclined channel leading machines for performing the work commonly therefrom, into which the cups will succescalled capping tacks and like articles. sively fall, the channel being in width slightly Tacks and like articles as usually made necgreater than the depth of the cup, so that the 5 5 essarily have a head of more or less irregular cups will fall therein and rest upon their peshape. For upholsteringand similar purposes, riphery, as seen in Fig. 7, the inclination bewhere the head of the tack is to be exposed, a ing such that the cups will roll downthe chanfinished and uniform shape is desirable, and nel upon their periphery as they are succesthis shape has been attained by forming a cup sively removed from the lower end of the chan-, [0o 50 from sheet metahsetting the head of the tack nel. into the cup, then closing the sides or flange At the lower end of the channel a stop or check is arranged, which will arrest the column of cups and hold them in suspense until the proper time for the delivery of a cup from the column. This stop is in the form of a lever, I, hung to swing in a vertical plane parallel with the vertical plane of the channel B. This check normally rests upon the lowest or last cup in the channel, as seen in Fig. 7. At the proper time the stop is raised by means of a cam, J, on the driving'shaft, which actuates a longitudinal slide, K, (see Fig. 1,) the said slide being in connection with a vertical rock shaft, L, which extends up through the bed of the machine, (see Figs. 2 and 7,) and at its upper end carries an arm, M, which, under the oscillating movement of the rockshaft L, acts upon a cam-like arm, N, of the lever I, so as to raise the check from the cups, as indicated in broken lines, Fig. 7, and when the check is so raised the column is free to ad vance. At the lower end or foot of the channel H the receiver for the cup is arranged. This receiver consists of a vertical sleeve, 0, and a follower, I, within it. (See Figs. 3 and 7.) The sleeve 0 is guided through the bed for up'and down movement, and, with the follower, normally stands below the top ofthe bed, so as to form a recess, R, in the bed adapted to receive a cup, as seen in Figs. 3 and 7. This sleeve receives a vertical reciprocating movement from a cam, S, on the driving-shaft, work ing through a stirrup, T, which is connected to the sleeve, the extent of movement of this sleeve being from the point mentioned below the bed to a point above the bed, as seen in Fig. 4. From the follower a stud, U. extends radially outward through a slot, V, in the sleeve 0 into a vertical slot, \V, in the side of the guide in which the sleeve moves vertically. The follower P rests upon a spring, a, in the sleeve. The upper end of the sl0t,\V is in such position relatively to the stud U that when the'follower has been raised to a position flush with the upper surface of the bed it will come to a bearing against the upper end of the slot V, as seen in Fig. 4. Then the sleeve 0 continues its rise to a point above, as also seen in Fig. 4.

The cups fall into the cavity R upon the follower, and naturally the closed side down. This closed side is usually rounded; bntin any case the cup invariably rests the closed side down, as seen in Fig. 3. So soon as one cup has been delivered the check catches the next cup and holds back the column, the action of the check being adapted to the time of the sleeve and follower. lVhen one cup has been thus delivered upon the follower, as seen in Fig. 3, the ascent of the sleeve and follower commences and raises the cup to the position seen in Fig. 4, where it stands, resting on the top of the follower and within the sleeve ready to receive a tack.

The tacks, as before described, pass down through the channel F. At the lower end or foot of the said channel is a receiver, I), hung upon a horizontal axis, d, parallel with the vertical plane of the channel, and in this receiver is a radial recess, 6, (see Fig. 8,) open at one end,but closed at the other. Normally, this receiver stands with the radial recess at the delivery end of the channehso that the lowest tack may enter therein, as seen in Fig. 8. The receiver has a rotative movement iniparted to it upon its axis by means of atoothed pinion, f, thereon, into which a horizontal toothed rack, g, works. Areciprocatiug movement is imparted to the said rack 9 through a two-armed lever, h hung upon avertieal fulcrum, it, (see Fig. 2,) and, so that under the reciprocating movement of the rack r a rotative movement will he imparted to the receiver 1). The means for imparting this reciprocating movement to said rack y will be hereinafter described. The rotative movement imparted by the rack inverts the recess c,which receives the tack. bringing the head downward, as seen in Figs. 3 and 9, and so that the tack is free to fall from the receiver, and when the tack is so inverted it stands directly over the cup on the follower, as seen in Fig. 3.

The rotative receiver serves as a cut-off at the end of the tack-channel to hold the column back while the one tack in the receiver is inverted and delivered into the cup below. Then when the receiver returns the column is free, and the next tack advances into the receiver.

In suitable guides, and in a plane parallel with the axis of the receiver, a longitudinallyreciproeating slide, Z, (see Figs. 3 and 11,) is arranged. This slide receives its reciprocating movement from a grooved cam, m, on the driving-shaft, in whicha stud, it, fixed to the slide Z, works. In the same plane ivith the slide Z, and working in the same guides, is a second part, 1', the twoparts 1' and Z being conneeted by a slot, 8, on the one and corresponding stud, t, on the other, (see Fig. 12,) so that the part Zof the slide may receive a certain amount of movement independent of the part 0'; but when the slot-scomes to a bearing upon the stud t in either direction then from that time the two parts will move together as one slide.

On the part 1' a pair of nippers, 2 3, are hung upon pivots 4 5, so as to swing thereon in a horizontal plane. These nippers extend forward, and are provided with grasping-surfaces 6, adapted to grasp a tack. From the hub of each of the nippers an arm, 7, extends, respectively, to the right and left, and from these arms links 8 extend, and are hung upon a pivot, 9, on the part Z, as seen in Fig. 12. \Vhen the part Z of the slide is in its forward position with relation to the part i, the pivot 9 is advanced toward the part 1-, and so as to force the nippers into their closed position, as seen in Fig. 12; but in the first part of the rear movement of the part Z it will start in advance of the part 1, as indicated in broken lines, Fig. 12, which movement will draw the pivot 9 away from the part 1 and cause the links to open the nippers, as indicated in broken lines, Fig. 12, and when the nippers IIO are so opened the slot 5 comes to a bearing upon the stud t, and the further rear movement of the part Z will cause the part 1" and the open nippers to move with it.

On the part r of the slide is a plate, 10, (see Fig. 3,) which, when the slide is in its forward position, stands beneath the receiver E, and so that the head of the tack when inverted will rest thereon and be prevented from falling into the recess R below. Then as the slide Zr moves rearward with the nippers open the plate passes from beneath thetack and the tack drops between the nippers, and so as to 7 bring its head directly into the cup, as seen in Fig. 4. Now the slide Z commences its advance, and the first part of its movement, be-

ing independent of the part 1", causes the nip.-

pers to close upon the body of the tack and so as to grip it firmly in its vertical position.

At the same timethe sleeve 0 drops, the fol lower P remaining in its up position under the action of its spring a, the nippers holding the tack immediately advance, and because the head of the tack stands within the cup the cup is carried by the tack and slides on the bed or a way prepared for it from the follower, as seen in Fig. 5, to a position where the clos ing operation is to be. performed. At this closing-point a die, 11, is set in the bed of the machine, on which the cup rests, as seen in Fig. 5. punch, 12, arranged in a vertical slide, 13. (See Fig. 10.) This slide is arranged in vertical guides 14, and to it a vertical reciprocating movement is imparted by a crank or ec-- centric, 15, on the driving-shaft, working bedelivered from the machine.

tween arms 16, projecting from the slide, as seen in Fig. 10. The punch 12 is tubular, and as it descends it passes onto the tack. As the punch comes onto the point of the tack, so as to support it and prevent its displacement, the return of the part Z of the slide commences and immediately opens the nippers, and the slide, continuing its movement, withdraws the nippers from below the punch. The punch continues its descent. Its lower face is shaped to strike the flange of the cup, turn it inward, and close it upon the head'of the tack, as seen in Fig. 6. This done, the tack is complete, the punch 12 rises, and the tack is ready to be Toinsure such delivery an ejector, 17, is hung upon a vertical shaft, 18, (see Figs. 2 and 11,) to which a rotative movement is imparted, so that the ejector is rotated'in a horizontal plane, and it moves in a path close down upon the bed of the machine, or in the plane of the die upon which the closing operation is performed. This ejector in so rotating will strike the tack and throw it into a dischargechute, 19, whence it may be led through a tube, 20, to a suitable receptacle.

The horizontal rotating movement is im-' parted to the ejector 17 through a train of Over this closing-point is a vertical of the said train of gearing. The ejector may be of any suitable form, preferably we apply a rigid arm, and also a brush, as shown, so as not onlyto eject the finished tack, but to sweep the surface to remove anything foreign to the cup, which would be delivered irrespective of the fact that the previous one were still on the follower. To remove such cup we provide a finger, 24, hung upon a pivot, 25, so as to swing in a horizontal plane, the finger extending in-, ward to one side of the position of the cup as it is presented to receive a tack, and as seen in Fig. 11. On the otherside of the pivot this finger extends into a cam-shaped groove, 26, in the slide 13, as seen in Fig. 1, and so that as the slide descends to perform the closing operation the finger will be turned across the plane of the cup, as seen in Fig. 13, and-so as to throw the cup from its position and out of the way of the next cup to be presented, and this occurs before the follower P commences its descent.

After the tack and cup have been removed from the follower the continued descent of the .Fig. 11, is a longitudinallysliding bar, 27, ar-

ranged in suitable guides, and which extends to the rear or outer end of the slide Z. On the rear end of the slide 27 is an inward projection or shoulder, 28, and at the end of the slide is a corresponding projection, 29, which stands forward of the projection 28 on the slide 27, and so that as the slide retreats the projection 29 will strike the projection 28 and force the slide 27 to its rear position, as seen in Fig. 11. A spring, 30, is arranged tending to force the slide 27 forward or resist the action of the re treating slide.

From the slide is an outward camshaped projection, 31, which is adapted to act upon a downwardly-projecting stud, 32, from the arm' 1' of the rack-lever, and so that as the slide 27 advances the said projection 31 acts upon the lever 11h and turns it, so as to impart an advance rotative movement to the receiver, as before described. On the return of the slide Z theslide 27 is positively returned with it; but as the levenh t" and the rack are independent of the retreating movement of the slide 27, we provide a spring, 33, (see Fig. 1,) which acts upon the rack, tending to impart to it the retreating movement.

The two springs 30 and 33 are opposed to each other; but the power of the spring 30 is so much greater than the power of the spring 33 as to overcome the resistance of the spring 33 and impart to the rack 9 through the slide 27 the required advance movement, the retreating movement of the slide 9 being produced by the spring 33 alone.

To prevent the possibility of a capped tack sticking in the punch we provide a stationary follower, 34, which extends through the tubular follower and is supported by a bracket, 35. (See Fig. 1.) The length of this follower is such that when the punch is in its up position, as seen in Fig. 3, the follower will project through the punch, and so as to insure the clearance of the punch from all obstruction.

\Ve have described and illustrated the invention as for capping upholsterers tacks; but this description and illustration will be sut'ticientto enable others skilled in the art to apply substantially the same mechanism to the capping of other classes of tacks or nails or screws.

Parts of our invention, as wehave described and illustrated it, are applicable to similar machines independent of other parts of this machine, as, for illustration, the receiver for cutting off the column of tacks and inverting the tack may be utilized in machines in which other mechanism is employed for applying the cap; or the channel and receiver by which the tack is inverted may be used to present the tack or headed article for various purposes other than capping. Again, the sleeve and follower, with the channel for presenting the cups,may be employed with other known tack-delivering channels than that which we have described.

The transfer-nippers which we have described may be employed to transfer tacks and cups delivered to them by other known channels and feeding devices. we therefore do not wish to be understood as limiting our invention to the combination of all the specific devices which we have described.

We claim 1. The combination of an inclined channel adapted to receive and successively present a column of tacks, a rotating receiver hung upon an axis at the lower end of said channel, said receiver constructed with a radial cavity to receive the lowest tack of the column, the axis of said receiver being parallel with the plane of said channel, and whereby said receiver serves as a cut-off for said channel, an inclined channel adapted to carry the cupsfor the tacks, a follower below and in line with the tack in the receiver, said cupchannel being adapted to deliver the cups singly upon said follower, a reciprocating punch, and mechanism, substantially such as described, adapted to trans-v fer the said tack and cup to a position in line with said reciprocating punch, substantially from said channel and invert it, the vertical reciprocating sleeve 0, follower 1? within said sleeve, said sleeve and follower arranged below and in line with the said recess, a cupchannel, H, arranged to deliver cups singly upon said follower, a slide arranged to reciprocate between said receiver and said sleeve and follower, a plate, 10, on said slide extendin g beneath said inverted recess in the receiver, a pair of nippers on said slide, also extending between said recess and said follower, and a vertically-reciprocating punch, 12, with mechanism, substantially such as described, to impart movement to said parts, and substantially as described.

3. The combination of a channel, F, rotating receiver 2'), constructed with a radial recess, c, opening from one side and in line with the tack-channel, toothed pinion on said receiver, a corresponding reciprocating rack arranged to work in said pinion, a verticallyreciproeating follower beneath and in line with said recess, a reciprocating slide, apair of nip pers on said slide extending between said recess and said follower, a cup-carrying channel arranged to deliver cups singly upon said follower,and avertically-reeiprocating punch, substantially as described, said nippers being adapted to transfer a tack and cup to said punch.

4. The combination of the vertically-reciprocating sleeve 0, spring-follower P in said sleeve, a stop to arrest the ascent of said follower before the sleeve reaches its up position, a cup-channel adapted to present cups singly upon said follower within said sleeve, mechanism,substantially such as described, adapted to deliver tacks singly and head downward uponsaidcup,avertically-reciprocatingpunch, and mechanism, substantially such as described, to transfer a tack and cup into line with said punch, substantially as specified.

5. The combination of a vertically-rcciproeating follower, a cup-channel arranged to present cups singly upon said follower, a tackchannel, mechanism, substantially such as described, to present the tacks singly and head downward to the cup on the follower, a verticallyreciprocating punch, mechanism, substantially such as described, to transfer the tack with the cup to a position below the punch, and a revolving ejector working in a plane at right angles to said punch, substantially as described.

(5. In a tackcapping-machine, the combination of the vertically-reciprocating sleeve 0, follower P, the cup-channel H, the tack-channel F, rotative receiver 1), punch 12, mechanism, substantially such as described, between said receiver and follower, adapted to transfer the tack and cup to said punch, and the clearing-finger 24, substantially as described.

YVILLIAM GATES. LOUIS XV. GATES. Vitnesses:

J on): E. EARLE, FRED O. EARLE.

ICO

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