US1037844A - Machine for forming sheet-metal articles. - Google Patents

Description

B. ADRIANCE &'-A. GALLESON. mcnmn ron ronmme SHEET METAL ARTICLES. APPLIIOATION IILED OCT. 2, 1908.

1,637,844. I Patented Sept,10,1912.

s sunk-sum 1.

II I WITNESSES I IIVVENTORS,

' .ATTORNH,

B. ADRIANGE & A. GALLESON.

MACHINE FOR FORMING SHEET METAL ARTICLES.

2 1 9 1 V 0 1 m. 6 S d m m P 8 0 9 l 2 T 0 o D E L I r N 0 I T A m L P P A 8 SHEETS-SHEET 2.

B- ADRIANGE 8: A. GALLESON. MACHINE FOR FORMING SHEET" METAL ARTICLES. urmoumx FILED our. 2, 1908. 1,037,844, Patented Sept. 10, 1912. a sun's-sum a.

A 5i 8 I WITNESSES J. M Z

B. ADRIANGE &: A. CALLESON. MACHINE FOR FORMING SHEET METAL ARTICLES.

APPLIOATION'IILED OUT. 2, 1908. I 1,037, 44, Patented Sept. 10, 1912.

8 SHEETS-SHEET 4.

WITNESSES Zr QM ATTORNEY.

IIVVENTORS,

B. ADRIANGE & A. CA-LLESON. MACHINE FOR FORMING SHEET METAL ARTICLES.

2 M Am 0 1w L wm W H as 88 b n m a P APPLICATION FILED OCT. 2, 1908. 1 37,844.

ATTORNEY INVENTORS,

I a" I K W/kLEESES B. ADRIAN-GE & A. GALLESON, MACHINE FOR FORMING SHEET METAL ARTIGLE&

APPLICATION FILED 001'. 2. 190a.

Patented Sept 8 BHEETS-SHBET 6.

MUTNESSES B. ADRIANGE & A. GALLESON. MACHINE FOR FORMING SHEET METAL ARTIGLES.

APPLICATION FILED OUT. 2, 1908. I 1,037,844. Patented Sept. 10, 1912.

8 SHEETS-SHEET '7.

lT/VESSES I B. ADRIANGE & A. GALLESON.

MACHINE FOR FORMING SHEET METAL ARTICLES.

IIIIIIIIIIIIIIIIIIIIIIII 8.

1,037,844, Patented Sept. 10,1912.

I v a nnnnnnnnnnnn a.

WITNESSES INVENTOR-S, 73 I a wamwm certain improvements or full-forined product.

UNITED sTA -iis. PATENT OFFICE.

BENJAMIN ADRIANGE AND AMOS, CALLESOH, BRQDKLYN, NEW YORK; SAID GALLESQN ASSIGNOR TL SAID ADRIANCE.

Loser-344.

To. all whom it may concern:

Belt known that we, BENJAMJN 'AD IANGE and Amos GALLESON, citizens, of-the' United States, residing in Brooklyn, Brooklyn borough, New York, have invented a certain new and useful 1m rovement in Machmes for Forming Sheet-hletal' Articles; and we do hereby declare thefollowingtobe a full, clear, and; exact description of the invention, such as will enab e. others skilled in the art to, which it. appertains to make and use-the same, reference bein had to the accompanying drawings, on to letters of reference marked thereon, which form a part of this. specification.

lI-his invention relates to the. art of forming articles. of sheet metal of thenature of bottle caps and the like i t-.-consists in whereby a large quantity of product may be turned out in a comparatively short period of time. and with the minimum of waste.

According to this invention, a pile of plates. is arranged in the machine and oneby-one, precisely, they are successively ad vanccd from the pile o1: stack to the form ing dies; each sheetis then operated upon by the dies in such manner that the openings left in the sheet are but the tract-ion of an inch apart, so. that no waste in appreciable degree results, this effect beingaccomplished by arranging the dies in a plurality of rows in which those in one row alternate with those in the other, so that any one die forms an opening in. the sheet which is centrally disposed with respect to. four other openings formed by the two dies nearest thereto in the other row in two succeeding cycles of the operation. As this arrangement of the dies would otherwise lead to the punching or cutting out of half-formed or mutilated articles at the forward end of the sheet or plate, provision is made herein for one row of (lies to be inoperative for forming until. the edge of the sheet has advanced suflicie-ntly to clear the same, it being obvious that this arrangement not only saves undue wear on the dies but makes it unnecessary to sort the mutilated from the properly As soon as each forming operation has been completed, means operates. to remove the articles from the range of the dies intoa suitable receptacle, so tnat the dies are. clear for; the

Speeifieationof Letters Patent.

' plunger of Fig.

next forming operation. \Vhen he full length of each sheet has been subji cted to the action of the dies it is passed t a suitable supporting means which at the proper time allows it to fall in back of the machine, a compact pile of the perforated sheets, in convenient form. to he'removed from time to time by the. operator, being ultimately formed in this manner. Means is also provided for 'so that no sheet will be operated upon to begin its advance. into the control of the dies either sooner or later than it should in order to follow. its predecessor. in the sequence required for avoiding waste of material and idle strokes and for securing the proper cooperation of all the mechanisms involved.

In the accompanying. drawings, Figure l is a side view of themachine; Fig. 2 is.

an. enlarged side view of a, detail of Fig. 1; Fig. 3 is a front View, certain parts being removed; Fig. 4; is a. horizontal sectional view taken in a plane just above the lower forming members, certain part-s being removed and others broken away; Fig. 5 is a fragmentary front'view of the art of the machine wherein the sheets are initially stacked, certain parts. being broken away' and others removed; Fig. 6 1s a longlti dinal vertical sectional view of what is seen in Fig. 5 taken in a plane corresponding with that of the left face of the lefthand sheet-advancing rack in said figure;

Fig. 7 is another fragmentary front view, on a larger scale than Fig. 5, certain parts being removed; Fig. 8 1s a longitu nal vertical sectional view of what is showrrin Fig. 7 taken .in a. plane corresponding with that of the center of one of the separating mechanisms, but showing said mechanism in side elevation; Fig. 9'is a plan view of said mechanism; Figs 10, 11 and 11 illustrate detailsof the suction portion thereof; Fig. 12 shows the upper forming members carrying means in side elevation and the upper part of the frame of the machrne and its main shaft in vertical sect on; Fig. 13. is an enlarged view, partly 1n sect on and partly in side elevation, of a forming mechanism; Figs. 14: and 15 are underneath views of the two plungers shown in Fig. 12; Fig. 16 is a top plan V ew of a stripper-holding. plate attached to the i 15,; Fig. 17 shows 1n de- Patented Sept. 10, 1912.- lppljcation filed, Qctober 2, 1998. Serial No. 455,842.

22 and is taken in a horizontal plane just above a certain ledge-piece; Fig. 22 is a vertical sectional view of what is shown in Fig. on line wtw; Figs. 23 and 24: show 1n detall certain parts 12 (let) and 15, respectlvely appearing 111 Figs. 20 and 21; Fig. is a rear view of parts of the mac-lune, showing the means for delivering the punched sheets; and, Fig. 26 illustrates diagrammatically how the sheets progress with reference to the forming mechanism.

The frame of the machine comprises the base a and the arched superstructure b in which latter is journaled the main shaft 0 carryinga driving pulley c at one end and another ulley d at the other end, a

wrist-pin 6 being attached to the latter; the upright portions of the superstructure-form with strips f attached thereto, guide-grooves g for plungers h and 2' (Figs. 14 and 15, re-

spectively). The plunger 72, is connected by means of pitmen with crank on shaft 0, so as to reciprocate it vertically, and plunger 2' is also adapted to be reciprocated from shaft 0 by means'of cams Z thereon against which bear from opposite sides thereof antifriction rolls m, carried by. cross-heads 12 (arranged one above and the other below each. cam) from which plunger 2' is suspended by the rods 0 secured in the crossheads by nuts 29 and reciprocating in guides g on the superstructure. The cranks j and the cams Z are so arranged on the shaft that both plungers will be down at the same moment but the shape of the cams is such that plunger 71 reaches its lower limit of movement earlier and leaves it later than plunger 7L.

Internally threaded thimbles 'r are secured in plunger h by means of set-screws s in two rows, those in one row being opposite spaces between those in the other and all being equi-distantly spaced; into each thimble is screwed the upper end of a male drawing die 25. In alinement withthe thiinbles r in plunger h vertical holes a are formed in plunger 2 and into these at the top are screwed the nuts o; these holes receive at the bottom the cylindrical male cutting or punching dies to which in their lower portions rest in recesses w forming continuations of the holes and are secured in place by recessed blocks g which are clamped against them by the screws 2, the dies to be ing distanced from the nuts o by the specing sleeves 1. The nuts, dies wand sleeves are penetrated by the dies t. An annular stripper 2 receives the lower end of each die to, the same being normally pressed vdownwardly by a spiral spring 3, interposed between it and the plunger 2', with its flange 4 bearing against a retaining plate 5 secured to the plunger and recessed to receive the several strippers.

The bed 6 of the base of the machine has a vertically movable rear section 7 guided in vertical grooves 8 formed in the base by the strips 9 attached thereto; the plane of division between the movable section 7 and the fixed portion of the bed is the plane midwaybetween the two rows of dies in plungers h and a. To the vertical face of the bed 6 is secured a horizontal ledge-piece 10 on which slideslaterally a wedge-bar 11 having let into its top side the wedge-blocks 12; an overhang 113 is formed on the movable section 7 of the bed and to this are attached the wedge-blocks 14. The inclines on the blocks 12 are on the to right side and on the blocks 14 on the un er left side of each, so that when the wedge-bar is moved'to the right the section7 will be raised to its normal position c., with its top face flush with that of the fiXedportion of the bed 6-) and when the wedge-bar is moved to the left, the section 7 will fall, bringing its top face below that of the fixed portion" of the bed. The wedge-blocks 14 alternate with spacing blocks 15, each two adjoining blocks being held in place by a screw 16.

,Two rows of vertical holes 17 are formed in the bed so as to coincide with the dies carried by the plungers, one row being in the fixed portion. and the other in the movable portion, of the bed. A female cylindrical cutting or punching die 18 is secured to the bed concentrically with respect to each'hole 17 each die havin a win 19 to receivesecuring screzvs 20 and the wings of the dies on the fixed portion of the bed extending forwardly. and those of the dies on the movable portion .of the bed extending rear.- wardly. Tapped into each die 18 is a female drawing die 21, a screw 22 aifording means for holding it against rotation. Dies 18 correspond with dies w and coact therewith; dies 21 correspond to and coaet with dies 25.

23 are ejectors penetrating the holes 17 and adapted to have their upper ends raised above the tons of the dies 21 to clear the formed articles therefrom; to this end their lower threaded ends penetrate a carrier 24, the holes 25 in which are large enough to allow the ejectors to be removed downwardly therethrough for the purpose of re pairs, etc. and said ejectors being held in the carrier by clamping nuts 26 the upper ones of which will also pass through the holes 25 and bear against washers 27 split to allow their lateral removal from the ejectors. The carrier is suspended from the plunger 2' by means of the rods 28 guided in the frame (Fig. 3).

Briefly stated, the operation of punching out and forming an article, such as a bottle cap, is effected as follows: The plunger 2' descends first and, considering any one punching and drawing unit, it first causes the sheet interposed between the upper and lower dies to be gripped between the stripper 2 and die 18 and then causes die 10 to coact with die 18 to'cut a disk therefrom, which disk then stands inclosed in die 18 interposed between the ends of dies to and 21; meanwhile,'f the corresponding ejector has descended with plunger 2. Plunger 71. now descends and causes die 25 to coact with die 21 in drawing the disk into the cap form, t-he edges of the disk being in the meantime securely held between the ends of dies w and 21; thereupon plunger it rises and somewhat later is followed by plunger 2', its die w having the perforated sheet cleared therefrom by the stripper 2 and the finished cap being left in die 21 until the ejector rises sufficiently to force the cap out of the die.

The wedge-bar 11 is actuatedethrough a link 29, pivoted to it and carrying a roller 30, from acam 31 in. whose peripheral groove the roller travels, said cam being jpurnaled on a stub-shaft 32 and driven in such manner, as hereinafter explained, that, through the link, it causes the dropping of the mo able section 7 of the bed once for eatery s eet passed through the machine, 2'. 6., while the row of dies the nearer to the sheet supply is performing its. second operation with respect. to that sheet.

A table 33 projects from the front of the machine, being bolted upon the bed 6 forward of the dies; on this table are arranged the parallel rabbeted gui'des 34 and between I them the parallel supports 35, the guides being adapted to support and direct the sheets, whose side edges engage therewith, and the supports serving to keep the sheets from sagging at the middle. A filler block 36-is secured to the bed back of each guide 34 and to these filler blocks is secured by screws 37 a barrier keep back the main body of the sheets against advar sment while itallows the lowermost sheet in the pile to be advanced, having its lower edge arched, as seen at 39 in Fig. =3; to further prevent the sheets from sagging at the middle, a horizontal plate 40 is secured on blocks 41, one at the front and the other at the back of table 33 and, countersunk into plate 40, guides ea, and supports 35. so that their top surfaces lie flush with the sheet-supporting surfaces of these parts are three plates 42 whose top late 38 which serves to' rier plate which lies close to and parallel with its under arched edge. The plates 42 from catching on the dies and clogging the machine. Fig. 6 shows the under edge of the barrier plate beveled.

The operation so far as the barrier plate and the part of the supporting means for the sheets which adjoins the same are concerned is the same as in the machine dis closed in our application Serial Number 384965 and may be briefly stated as follows: The purpose is to preventmore than one sheet advancing at a time.- As will be later explained, the sheets are picked off one at a time from the bottom of the stack but occasionally more than one will tend to partake of the advancing action, becauseof adhesion in some form or other. When the advancing means, which engages positively only the lowermost of two or more sheets which it will be assumed are partaking of the advancing action, moves them against the barrier, even though their combined thickness be less than the depth of 'the curved slit formed between the arched edge of the carrier plate and the curved upper face of plates 42, only the-one positively engaged by the advancing means will pass through the slit because a resistance is set up, by the sheets being curred in the effort to pass the barrier, which mere adhesion between two sheets cannot overcome.

The advancing of the sheets is effected step-by-step as follows: A plate 43, forked at 14 at each end to receive each block 41, is arranged to reciprocate under plate 40;

45 having equally spaced teeth 46 which project up through the slots which are left between plate 40 and supports 35, the tops of'the teeth being about flush with the tops of the plate 40 and thesupports. When the tail end of the lowermost sheet has been drawn downwardly away from the next sheet (by means to he explained) it lies in the path of a bending toot-h &7 at the rear end of each rack, this tooth hooks over it and, as it advances it, holds the part thereofdirectly caught thereby for movement only in its own plane, while at both sides of said tooth the metal at the rear edge of the sheet rides up inclined surfaces 'of blocks 18 set in the supports 35. ,The effect is the same as that attained. by a similarmechanism in our application supra, a bend being formed at two points in the tail of the sheet affording a convenient hold for the teeth 46 of the racks which, as they reciprocate, advance the sheet step by step,equal distances. The

plate carrying the racks has a rack 48 on the under side thereof with which engages a toothed segment 49 proj'ectin through a slot 50 in table 33 and carrie by a rock-- shaft 51 journaled in brackets 52 and 53 bolted to frame-base a and table 33,.respectively.

The drawing down of the tail end of each 7 sheet into the control of the racks is effected as follows: A rock-shaft 54: is journaled in an arm of bracket 52 and in a bracket 55 secured to the under side of 'table 33 and this carries a crank 56 in which are pivoted the cylindrical shells 57 kept upright in the movements of the crank by table 33 the holes .58 in which they penetrate; the: top of each shell is beveled and on a horizontal pivot therein is arranged a cup 59 having a tubular stem 60 and containing a rub-f her suction disk 61 held in the cup by a perforated screw 62. The bevel on the shell and the pivoting of its cup allow the cup, when suction is effected thereby and itis engaged with the sheet, to adjust itself to the curvature which it produces therein when it draws its rear end downwardly. In a collar 60' secured to each shell is pivoted a hook 63 whose weight normally holds it retracted but which, when the shell descends with crank 56, engages an adjustable stop 64 in table 33 and thus has its hooked end thrust toward the edge of disk 61, so that it will positively separate the sheet which the suction cup has parted from the pile andhold it within the range of action of the teeth 417 on the racks 45. As the suction eflected would, if continued, produce an undue drag on the sheet, it is automatically controlled as follows: The crank 56 comprises a valvecasing 65 having an exhaust nipple 66 and two other nipples 67 which are connected with the stems 60 by flexible tubing 68; in this casing rocks a valve 69 having a port T0 which in one position of the valve will connect the nipples 67 (which merge to gether for this purpose) with the nipple66 and also having a port 71 which in another position of the valve will admit atmospheric pressure to nipples 67 and hence to the cups. 1

The valve carries at one end a collar 72 and at the other a crank 73, the valve being normally held with its port connecting nipple 66 with nipples 6'? by a spring 74 connecting a pin 75 on the collar with crank 56, crank 73 at this time bearing against a stud 76 on the valve casing;no-rmally, therefore, .the suction'cups are ex hausted, but when crank 56 descends. sufiicieut'ly so that the hooks 63 have a hold of the sheet. crank 73 engages an adjustable stop 77, turning the valve so that the cups are opened to the atmosphere and the ex- 80 fulcrum'ed in bracket 52 and adapted 'ion, instead of all at once.

' normally the suction devices stand elevated,

being limited by an adjustable stop 82 in an arm 83 carried by shaft 54: and being held in that position by a spring 8 1 connecting lever 80 with bracket- 52.

It will be observed, as already stated and as shown in the drawings, that the adhesionportion of each suction device is pivoted therein. It will also be observed that the axis of-movement of said-adhesion-portion is substantially -parallel with the bend formed thereby in the sheet when it draws or bends the end thereof downwardly and that forward of said axis 6., between the same and the parting edge of the sheet) said adhesion-portion of the suction device is free to move downwardly in the device as the latterdescends, so that said adhesion position may adjust itself to substantially the same inclination as that which it may cause the portion of the sheet engaged by it in the drawing-down operation -to assume.

Vhen, therefore, the suction device descends and bends down the edgeportion of the lowermost sheet the effect is to peel the latter from its neighbor; the accomplishment of this, involving, as it does, a separation,

any resistance opposed to the separation (such as the presence of an adhesive between the sheets, not to say atmospher c pressure)- 1s broken down plcce-meal fash- Referring, now, tothe mechanism for delivering the punched sheets in a pile at the back of the machine, 85 denotes two parallel arms projecting rearwardly from the base a and bolted thereto (their bolted portions constituting the strips 9, if desired, and as shown in Fig. 4, although in Fig. 3 said arms are omitted) and braced by the rod 86;

these arms have the sheet-supporting ledges 87 and in their rear portions are fulcrumed the shee't-supportingwings 88 which, while spaced slightly from the back ends of the ledges, normally stand horizontal in position to' form continuations of said ledges. In the arms is journaled a shaft 89 carrying a belt pulley 90 and the peripherally milled rolls 91 whose tops project to about the plane of the top surfaces of the ledges; a belt 92 extends around pulieys 9C and (Z. In the arms is also fulcrumed a lever structure comprising a shaft 93, rearwardly 6X tending arms 94, having their extremities connected with cranks on the wings by links 96, and a forwardly extending arm 97; in the arms 94 is journaied a shaft 98 carrying milled rolls 99 adapted to bear down *upon rolls 91, the lever structure be ing normally held with said rolls in conlen .bet 'een t e rolls 91 and 99, which arebeing rotated f om the shaft 0, the rolls then "thrusting the sheetback over the ledges. 87 onto the wings- 88; cam 102 then acts to oscillate the lever structure, with the result that the wings are defpressed and allow the sheet to fall on the cor or other support back of the machine. In this way a compact pile of the mutilated sheetsis formed, convenient for removal.

The caps are made to clear the dies as fast as formed as follows: A pipe 103 having .a'

lon 'tudinal row of perforations 104 at the bee is secured in brackets 105v on the'two outer plates 42 just forward of the dies this pipe is connected with a suitable airpressure' source and has a normally closed valve 106 whose stem 107 extends up through a projection 108 on plunger 72. and has a head 109 whereby, when said plun er rises, opened to allow the air to escape. The escaping air, it will be understood, blows the .caps away from the dies, they ultimately falling through the openings formed in the sheet into a receptacle laced for them between the stack of muti ated sheets and the machine.

It will be understood that,v whatever gth the sheets may have, no-sheet should begin its advance through the machine, or at least come within the influence of the dies, until its redecessor has fully cleared the dies. To t is end a controlling mechanism is employed which is under the influence of the sheets and 'inthe adaptation shown is actuated from a sheet about to be delivered. I

110 is a ratchet formed as one with the cams 31 and 102; this ratchet has one tooth 111 depressed within the-circle of its other teeth. A crank 112 oscillates freely on shaft 32 and it carries a pivoted pawl 113 engageable with the ratchet and normally held by two spring-pressed pins 114 with its point 'within the circle of the tips of the main teeth of the ratchet but outside the circle in which stands the tip of tooth 111. When the crank is oscillated, it will advance the ratchet step-by-step until tooth 11 1 approaches its pawl, whereupon the pawl being then clear th'ereof, the advance of the ratchet will cease. In brackets 115 is jour- .nalcd' a rock-shaft 116 carrying a finger 117- which rests upon the sheet being operated upon; it also carries acrank" 118 connected by a link 119 with a yielding stop a 120 the stem will be raised and'the va. ve'

pivoted in the superstructure and comprisingthe socket 121, a pin 122, an adjusting screw .123 and a spring 124 interposed between the pin andscrew. The sheet keeps the finger elevated'to an extent corresponding with its thickness, and through parts 116, 118 and 119 theyieldin stop is likewise elevated" above the are of movement of the heel f (twill-3'; when, however, the sheet. clears te finger-and the yielding stop is thus allowed to drop-under the weight of the parts, the stop stands in the path of the heel of theand and tends to push its toe inwardly r atively to the ratchet. The

ratchet 1s ke t oscillating continuously from wrist pin .e by a pitman 125 conn'ectingits crank with the wrist-pin.

12.6 is another pitman connecting wrisb:

pin with a crank 121 .on shaft 5-1.

Thus, describing the operation. of the machi-n'ein general: and of the controlling mechanism.- in articular: A pileot sheets is placed on tabe 3;3 between guides 34 and the shaft 0 started" rotating. Assuming that pawl113 happensto be at the start oppo- 'site the low toothof ratchet 110 (which it usually. will not be, however), when the pawl is raised with crank 112 from shaft 0' it will engage the now-depressed yielding stop 120,,it-s pointbeing thrust into engagement with saidplow tooth; in. its advance movement the pawl will turn the. ratchet one step.that is, enough so that, until the low tooth again comes around, the pawl and ratchet will cooperate in. the usual mane ner. ( Jams 31 and 102 rotate with the ratchet, so that ultimately stud 81 causesthe lever mechanism controlling the suction devices to be vibrated and the sheet at the bottom of the pile to be drawn down at its back. edge into the controlof the racks, which anemeanwhile being continually re ciprocatedfrom shaft 0;. once the sheet has beeudrawlt into the control of the racks (-in the manner already fully described) the ment, the teeth 46-engaging the sheet in the ,bends formed in itby the teeth 17 of the racks. After each advance of the sheet, the dies operate to form the caps, which, on the lip-stroke .of the plunger h, are blown off the sheet by the blast of air frompipe 103. When the full complement of caps has been formed from the sheet, its last advance brings itwithin the cpntrol of the coact-ing notating'milled rolls 91, 99, which draw it back onto-the wings 88; cam 102'now operracks advance it in a step-by-stepmove- &

finger 117) .it stops, the pawl oscillating idly; when the sheet now clears the finger the pawl reengages the ratchet and puts it again in rotation, with the result that the now lowest sheet in the pile begins its ad vance and passes through the same operations 1 as its predecessor.

At the beginning of the" operation of the dies on each sheet the rearward row of dies is rendered inoperative by cam '31 causing bed-section 7 to be depressed. The necessity for this grows out of the fact that, in order to utilize as much of the sheet as possible, the points in the sheet engaged by one row of dies are as close into the spaces between the points in the sheet engaged by the other row of dies as the nature of the material of the sheet will stand and the proper forma- 7 tion of the articlespermit; and, thisbeing so, if the rear row of dies remained active during (in the. present instance) the second 0 eration of the front row ofdies on the s eet, half cuts would be formed at the front ed elof the sheet, involving the difliculties a ready stated. The diagram (Fig. 26) will illustrate this. The rows of holes extending lengthwise of the sheet "C and by the dotted half-circles.

marked A are formed by the front row of dies; therows marked B are formed by the rear row of dies. The succeeding holes in each row are marked 1, 2, 3, etc. The first operation of the dies at the advance end of each, sheet leaves the sheet with the holes A these holes are formed b the front row of dies, the rear row on the stroke of the mechanism going out of action, bythe depression of bed-section 7. On the next operation of the dies the holes A are formed by the front dies; at this time, if the rear dies were not inactive,'cuts would be formed inthe front edge of the sheet 0, as indicated On the third operation of the dies with respect to the sheet C, the holes A are formed by the front row of dies, and, the rear row of dies having meanwhile come againinto action bythe raising of the bed-section 7, the holes Btare formed. On the fourth operation of. the dies, the holes A and B are formed, and so on.

Referring to the parts 110 and 112, it is.

to be understood that any mechanism including an advancing member, such as 112, and an advanced member, such as 110, one of said membershaving a clutch surface. (for instance, the toothed surface "of member 110) extending in the direction of advance and the other a clutch device (for instance, the pawl 113) normally confined to a path of movement extendin in said direction, said clutch surface lncluding primary and secondary portions (6. (7., the

high teeth and low tooth of the ratchet, res )ectively) respectively disposed within an beyond the operative reach of the their assuming than one sheet at .a' time ward to the dies by the advancing means,

clutch device, and said clutch device and secondary surface portion being movable one into engagement with the other upon coincidence with each other in the advancing operation, will fall within the scope of our invention.

Broad claims for the means for advancing the. sheets step by step, for the means for drawing down the tail end of each sheet into the control of said advancing means, for the means for insuring against more being carried fo-r and for the arrangement and construction of the forming mechanism will be found embodied in our application, supra, and in our application Serial No, 444,272.

Having thus fully described our invention, 'What we, claim as new and desire to secure by Letters Patent is: V 1. The combination oft-heframe, means adapted to operate on the material, and mechanism for controlling said means including an advancing member and an advanced member one having a clutch-surface extending in the direction of advance and the other a clutch-device normally in advance-transmitting engagement with said surface,-'said clutch-surface including primary and secondary portions respectively disposed normally within and beyond the normal advance-transmitting reach of the clutch-device, and said clutch device and secondary surface portion being movable one into advance-transmitting engagement with the other upon their assuming coincidence in the advancing operation, substantially as described.

2. The combination of the frame, means adapted to operate on the material, and mechanism for actuating said means including an advancing member and an advanced member one having a clutch surface extending in the direction of advance and the other a clutch-device normally in advance transmitting engagement with said surface, said clutch-surface including primary and secondary portions respectively disposed normally within and beyond the normal advance-transmitting reach of the clutch device, and said clutch device and secondary surface portion being movable one into advance-transmitting engagement with the other upon their assuming coincidence in the advancing operation, substantially as described.

3. The combination of the frame, means adapted to operate on the material,and mechanism for controlling said means including an advancing member and an advanced .member one having a clutch-surface extending in the direction of advance and the other a clutch-device normally in advance-transmitting en agement with said surface, said clutch-surface including prithe clutch-device and secondary surface portion within advance-transmitting-reach of each other upon their assuming coincidence in the advancing operation, substantially as described.

4. The combination of the frame, means adapted to operate on the material, and mechanism for actuating said means including an advancing member and an ad'- vanced member one having a clutchsurface mary and secondary extending in the direction of advance and the other a clutch-device normally in ad- Vance-transmitting engagement with said surface, said clutch surface including pridisposed normally wit in and beyond the normal advance-transmittin reach of the clutch-device, and means fbr establishing the clutch-device and secondary surface portion within advance-transmitting reach of each other upon their assuming coincidence in the advancing operation, substans tially as described.

5. The combination of the frame, means adapted to operate on the material, and mechanism for controlling said means including an advancing member and an ad'- vanced member one having a clutch-surface extending in the direction of advance and the other a clutch-device normally in advance-transmitting engagement with said surface, said clutch surface including primary and secondary portions respectively disposed normally within and beyond the normal advance-transmitting reach of the clutch-device, said clutch-device being movable into advance-transmitting engagement .with said secondary surface portion and means for moving the clutch-device into advance-transmitting engagement with the secondary surface portion upon their assuming coincidence 1n the advancing operation, substantially as described. Y

6. The combination of the frame, means adapted to operate on the material, and. mechanism for actuating said means including an advancing fmembcr and an advanced member one having a clutch-surface extending in the direction of advance and the other aclutch-device normally in advance-transmitting engagement with said surface, said clutch-surface including primary and secondary portions respectively disposed normally within and beyond the normal advance-transmitting reach of the clutch-device, said clutch-device being movable into advanee-transmitting engagement with said secondary surface-portion and means for moving the clutch-device into advance-transmitting engagement with the ortions ,respectively secondary surface portion upon their as suming coincidence 1n the advancing operation, substantially as: described.

7. The combination of the frame, means for operating upon the material, means for forwarding the pieces of material, successively, to the operating means, and means, cont-rolled from'the pieces of material which have been operated upon, for controlling the forwardingmeans, substantially as described.

8. The combination of the frame, mechanism for operating on the material to be treated, intermittently, a rotary driven member controlling said mechanism, a driving member, one of said members having a contact portion "formed with a depressed part and adapted to receive the interlockmg impact of the other member and the other being normally engageable only with the high part of sald contact portion, and means, controlled by the material passing through the. operation, for causing said other member to engage the first-named member in the depressed part of its contact portion, substantially as described.

9. The combi ation of the frame, mechanism for opergtin on the pieces of material to be trefte successively, a rotary driven member controlling'said mechanism, a driving member, one of said members having depressed part and adapted to receive the interlocking impact of the other and the other being normally engageable only with the high part of said contact portiom'and: means, controlled by each piece of material passing through the operation, for causing contact portion, substantially as described.

a contact portion formed with a 1.0. The combination of the frame, mechanism for operating on the pieces of material to be treated successively, a rotary driven member controlling said mechanism, a driving member, one of said members having a toothed contact portion formed with a depressed part and adapted to receive the in-;

erlocking impact of the other and the other being normally. engagea-ble only with the high part of said contact portion, and means, controlled by each piece of material passing through the operation, for causing said other member to engage the firstnamed member in the de ressed part ofits contact portion, substantially as described.

11. The combination of the frame, mechanism for operating on the material to be treated, intermittently, a crank, a rotary member controlling said mechanism and having a toothed contact portion formed with a depressed part, a pawl carried by said crank and normally engageable only with the high part of said contact portion,

means for oscillating the crank, a member I movable into and out of position-to engage said pawl and tomove it-into the depressed partof said contact portion and means,op--

for operating upon the 'pieces of material,

means for advancing the material, rrieiiiisifor successively establishing the pieces of material within the control of the advancing means, and means, controlled from the pieces of material which have been previously advanced, for controlling the third-named means, substantially as described.

13. The combination of the frame, means for operating on the material comprising members one of which is movable relatively to the other and also comprising a plurality of acting parts carried by one of said members and set progressively relatively to the direction of advance of the material, and means for periodically rendering one of said parts inactive while retaining the other part active, substantially as described. 14. The combination of the frame, periodically acting means for operating on pieces of material comprising members one of whichis movable relatively to the other and also comprising a plurality of acting parts carried by one of said members and set progressively relatively to the direction of advanceoi' the material, means for rendering I one of parts occasionally inactive relatively to the other of said parts, and means for effecting, as between the piecesot' material and said first-named means, the advance of the one relatively to the other, substantially as described.

1.5. The combination of the frame, periodically act-ingmeans for operating on pieces of material comprising members. one, of which, is movable relatively to the other and? alsoncomprising a plurality of acting parts carried by: one of said members and .set progressively relatively to the direction of advance of the material, means for rendering the relatively advanced part occa-' sionally inactive relatively to the other of said parts, and means for efiecting, as between the pieces of material and said first named means, the advance-of the one relatively to the other, substantially as described;

16. The combination of the :trame, means "for operating uponthe material'having a plurality of acting parts set progressivelyrelat-ivel'y to the direction of advance of the material, and means, controlled from the material, for rendering one of said parts occasionally inactive while retaining the other part active, substantially as described.

17. The combination of the frame,

ed to assume an active or inactive nos'aeaa periodically acting means for operating on pieces of material having a plurality of acting parts set progressively relatively to the direction of advance of the material, means,

controlled from the material, for rendering one of said parts occasionally inactive While retaining the other part active, and means for effecting, as between the pieces of mate- 1 rial and said first-named means, the advance of the one relatively to the other, substantially as described.

The combination of the frame,'means forpoperating on the material, said means comprisinga plurality of acting parts set progressively relativelyto the direction of advance of the material and one of said parts being'adapt-ed to assume an active or inactive condition and the other remaining active and means controlled from the material being perated upon for controlling said first-named part, substantially as described.

19. The combination of the frame, periodically-acting means for operating on piecesv of material, said means comprising :1

plurality of acting parts set progressivelyrelatively to the direction of advance of the material and one or" said parts being adaptcondition and the other remaining active, means, controlled from the pieces of material passing through the operation, forcontrolling said nrst-named part, and means foreltecting,

as between the pi ces of material and said I first-nained means, the advance of the one relatively to the other, substantially as described,

20. The combination of upper and lower dies, separate members receiving said dies, the one being movable toward and from the other and one of said dies being movable in its support to and from itsactive position, and a part, interposable between the movable die and a part of its receiving member and controlled from the material being operated upon, for controlling the position of said movable die, substantially as described.

21. The combination of upper and lower dies, both the uppervand lower dies being arranged in a plurality of sets disposed progressively relatively to the direction oi": ad-

vance of the material, a plunger carrying the'upper sets of dies, a support for the lowersetsot dies having the part thereof carrying one set movableto bring the latter into and out ot'its active position, and automatic means for controlling the position of said movable part, i substantially as described.

22. The combination of a support, cooperatmg die's, a plunger carrying one die, a

, plunger. and means, controlled from the plunger, and a wedge-bar controlling the position of said part and controlled from the material being operated upon, substantially as described.

'24:. The combination, with means for holding a stack of sheets, of a movable ad hesion device for bending outwardly an edgeportion of an outermost sheet, a positive interposable separator-for the sheets movably arranged on said device, and a fixed stop engageable by the separator, substantially as described.

25. In combination, with means for holding a stack of sheets, means for separating the sheets comprising a rectilineally reciprocatory supporting device, a separator arranged to move in said device toward the edges-side of the stack and a stop engageable by the separator, substantially as described,

26. In a delivery mechanism for a machine operating on sheet material, the combination of the frame, supports adapted to receive the material, rotary parts peripherally engageable With each other, means for rotating one part, a lever-structure carrying the other part, and means for oscillating said lever-structure, substantially as described.

27. In a delivery mechanism for a machine operating on sheet material, the com binat-ion of the frame, downwardly movable supports adapted to receive the material, rotary parts peripherally engageable with each other, means for rotating one part and means, adapted to move one part intermittently into and out of-engagement with the other, for effecting the movement of said supports, substantially as described.

28. In a delivery mechanism for a ma chine operating on sheet material, the combination of the frame, downwardly movable pivoted supports adapted to receive the ma terial, a lever-structure normally maintaining said supports elevated, links connecting said lever and said supports, rotary parts peripherally engageable with each other, one of said parts being journaled in said lever-structure, means for rotating one of said parts, and means for actuating the lever-structure, substantially as described.

In testimony, that we claim the foregoing, we have hereunto set our hands this 25 day of Sept. 1908.

BENJAMIN ADRIANCE. AMOS CALLESON.

\Vitnesses:

JAMES VAN WICKLEN, GEORGE DORRMAN.

Copies of this patent may. be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. 0.

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