US1081447A - Riveting-machine, multiple drive. - Google Patents

Description

A. R. HAVENBR.

RIVETING MACHINE, MULTIPLE DRIVE.

APPLIOATION FILED JULY 22, 1912v 1,081,447, Patented Dec. 16, 1913.

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m czym A. R. HAVENER. RIVETING MACHINE, MULTIPLE DRIVE.

APPLICATION FILED JULY 22, 1912.

1,681,447. Patented Dec. 16, 1913 6 SHEETSSHEET [5667066565. I l) 00 67 (A07? @1421; 5. 02W

COLUMBIA PLANDG c0.. WAS HHHHH o N. n, c,

A. R. HAVENER.

RIVETING MACHINE; MULTIPLE DRIVE.

APPLICATION FILED JULY 22, 1912.

Patented D60. 16, 1913.

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A. R. HAVENER.

RIVETING MACHINE, MULTIPLE DRIVE. APPLICATION FILED JULY 22, 1912.

1 ,081 A47; Paten'efl Dec. 16, 1913.

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COLUMBIA PLANOGRAPH c0.. WASHINGTON, n. c

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Patented Dec. 16, 1913.

A. R. HAVENER.

I RIVETING MACHINE, MULTIPLE DRIVE. 1 APPLIGATION FILED JULY 22, 1912.

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ZflL'/Toes s as m 650% MW A. R. HAVENER.

RIVETING MACHINE, MULTIPLE DRIVE.

APPLICATION FILED JULYZZ, 1912.

1,081,447. Patented Dec. 16, 1913.

6 SHEBTSSHEET 6.

II .50 42 6 E 07 5/ 70 55 jgdjfl ARTHUR B.

HAVENER, OF i/VALTHAIVE, MASSACEUSETTfi, ASSIGNOB, TO JUDSON L.

THOMSON MEG. C0,, A CORPORATION F MAINE.

BIVETING-MACHINE, MULTIPLE DRIVE.

Specification of Letters lPatent.

l atented 13cc. 16,1913.

Application filed July 22, 1912. Serial No. 710,821.

To all whom it may concern Be it known that I, ARTHUR T- AVENER, a citizen of the United States, residing at ll atham, in the county of Middlesex and State of liiassachusetts, have invented new and useful improvements in Riveting-Machines, Multiple Drive, of which the following is a specification.

This invention relates to a machine for setting rivets, the object of the invention being to provide a machine which will set a plurality f rivets substantially at the same time, and furthermore, the object of the invention is to provide a machine which will set a plurality of rivets at one downward movement of the plungers or driverha rs and which is also adapted to be set to drive one rivet by any one of the driver bars while the other driver bars remain idle.

The object of V rovide a machine of the character hereinbefore set forth which is rapid in its operation, convenient to handle and which is adapted to be used with different sizes of rivets.

The machine is particularly adapted to be used in connection with riveting corner pieces and strengthening pieces of fiber to trun rs.

The invention consists in the combination and arrangement of parts set forth in the following specification and particularly pointed out in the claims thereof.

Referring to the d 'awings: Figure 1 is a it elevation of my improved rivet seti machine, a portion of the frame being broketo save space in the drawings, and a piece of material operated upon bein shown in connection therewith in section. Fig. 2 is a side elevation of the same as viewed from the left of Fig. 1. Fig. 3 is a sectional elevation taken on line 8 3 1. Fig. 4 is a detail sectional plan .1 on line & 1 of Fig. 5 is a ail sectional plan taken on line 5-5 of i o. 6 is a rear elevation, partly .ii tion, of the swinging head with portions of the stationary frame shown in section. 7 is a sectional elevation taken on line 7-? of (i. Fig. 8 is an enlarged sectional elevation taken on line 33 of Fig. 1. Figs. 9 and 10 are detail sections illustrating the mechanism for locking the driver bars to the driver bar slides. Fig.

the invention is further to 11 is a detail sectional elevation taken on line 11-11 of Fig. 8. Fig. 12 is a detail section taken on line 12-12 of Fig. 1. Fig. 13 is a perspective view of a portion of a trunk illustrating the work which is done by the machine of this invention.

Like numerals refer to like parts throughout the several views of the drawings.

in the drawings, 15 is the main frame upon which is mounted an auxiliary frame 16, said auxiliary frame being mounted to swing upon a vertical pivot 17 which extends through cars 18 and 19 on said auxiliary frame and through ears 20 and 21 on said stationary frame, the ear 19 resting upon the ear 21. Said auxiliary frame is further provided with ears 22 and 23 which, when the mechanism is in operative position, are located between the ears 24 and 25, said ears 24: and 25 being a portion of the stationary frame 15. A pin exending through the cars 22 and 2 1 locks he auxiliary frame in operative position.

All of the working mechanism of the machine is located upon the swinging head or auxiliary frame 16. The work 27 rests upon a work-support 28, said work-support being adjustably mounted in a vertical arm 29 which is supported on the main frame at the end of a horizontal arm 30. The worksupport 28 is arranged to slide in ways 31 on the arm 29 and is adjusted vertically on said arm by an adjusting screw 32 and is locked in position by said adjusting screw and by a clamp-screw A main driving pulley 8-1 is loosely mounted to rotate upon a stationary shaft 35 fast to the auxiliary frame 16. Said pulle -J has rigidly fastened thereto a pinion 36 which meshes into gear 37 constituting one part of a clutch member and which is journaled to rotate upon the crank-shaft 38. The crankshaft 38 is journaled to retate in bearings 39 on the auxiliary frame 16 and has fastened thereto the other memher of said clutch. This member 4-0 is fastened to the shaft 38 and when in clutch with the gear member 37 will rotate said shaft 38. The gear 37 is thrown into and out of engagement with the member 40 of said clutch by a slide 41 in a manner well known to those skilled in this art.

The slide -11 is operated by a bell-crank lever i2 pivoted at e3 to the auxiliary frame 16. A rod 44 is pivoted at its upper end to the bell crank lever 42, said bell-crank lever being held in the position illustrated in Fig. l by a spring 43 connected to the bellcrank lever 42 at one end and to the auxiliary frame 16 at the other end, thus keeping the slide 41 toward the left and the clutch thrown out of engagement. The rod 44 is guided between two pins 45 fast to the ear of the auxiliary frame 16. The lower end of the rod 44 bears against a bell-crank lever 46 pivoted at 47 to the main frame and connected by a rod 48 to a suitable mechanism operated by a treadle under the control of the operator.

The shaft 38 has a plurality of cranks 49 thereon, each of which has an eccentric strap 50 mounted upon it, each of said eccentric straps being connected by pins 51 at their lower ends to driver bar slides 52 (see Figs. 1 and 3). By reference to Figs. 3 and 4 it will be seen that the driver bar slides 52 are adapted to slide in ways 53 in the auxiliary frame 16 and adjacent to said driver bar slides are a series of driver bars 54. Said driver bars are made in two parts 55 and 56, the part 55 having at its lower end (see Figs. 1 and 3) a T-shaped slot 57 and the part- 56 having a head 58 thereon adapted to fit into said T-shaped slot, whereby the parts 55 and 56 together constitute a driver bar 54 movable as one piece. The lower end of the part 56 of the driver bar has a driver 59 fast thereto by means of which the rivet is driven.

The series of driver bar slides 52 and driver bars 54 are held in their ways by a cap 60 fastened by screws 61 to the auxiliary frame 16. By reference to Fig. 4 it will be seen that each of the driver bar slides 52 carries with it two driver bars 54 and said driver bars 54, in pairs, are each locked to their respective driver bar slide 52 by a pin 62 which is slidable 011 the driver bar 54 transversely thereof into and out of engagement with the driver bar slide, said pin, when in engagement with the driver bar and driver bar slide projecting into a bushing 63 located in a recess 64 in said driver bar slide. The pin 62 is moved transversely of the driver bar slide and driver bar by a lever 65 which is pivoted at 66 to the upper end of the part 55 of the driver bar. Said lever has three arms 67, 68 and 69. The lower end of the arm 69 projects into a slot extending vertically through the pin 62-.

A pin 70 is fastened to the arm 68 and projects beyond the opposite faces thereof and beneath said pin on opposite sides of the arm 68 are two pins 71 which are held against the pin 70 by springs 72, said springs 72 and pins 71 tending to tip the lever 65 upon its pivot 66 and thus force the pin 62 into the bushing 63, whereby the driver bar slide 52 and the driver bar 54 are ;they are placed, by the action which hold them against their respective ears 74 and in frictional engagement therespectively pivoted on the cap 60. Said bell crank levers constitute trippers and said trippers are arranged in pairs (see Fig. 1)

each pair being located between a pair of ears 74 on the cap 60. A spring 75 encircles the pivotal rod 76 upon which said trippers are pivoted, said rod extending through all of the ears 74 and being held in position, by a screw 77 having screw-threaded engagement with the cap 60. A rocker shaft 78 is journaled in the ears 74 and extends across the cap 60, as seen in Fig. 1. This rocker shaft projects beyond the ear 74 at the extreme right (Fig. 1) and has fastened thereto a handle 79 by means of which it may be rocked. A pin 80 is fast to said rocker-shaft and projects upwardly there from. A spring 81 is fastened at its lower end to the pin 80 and at its upper end is fastened to the auxiliary frame 16. This spring 81 tends to keep the rocker-shaft in the position shown in Fig. 3. Between each of the ears 74 and fast to the rocker-shaft $78 is fastened a collar 82 and upon opposite sides of said collar are projections 83 constituting segmental cams, said segmental {cams terminating on the radial lines 84 and '85. device is shown in Fig. 3, the arm 86 bears against the rocker-shaft 78 and is thenout In the position in which this tripper of alinement with the arm 67 of the lever .65, so that when the driver bar slide and driver bar are moved downwardly, the outer iend of the arm 67 will clear the arm 86 of ithe tripper. iends 84 and 85 of the segmental cams 83 :are out of engagement with either of the jar- ms 86 or 87 of the 73. gof the cams 83 will strike the arms 86 of the jdifterent tripper levers and tip them from fithe position shown in Fig. 3 to that shown 5111 Fig. 9. These tripper levers, it will be It will also be noted that the bell crank. lever tripper By raising the handle 79 the ends 84 understood, are held in whatever posit-ions of the springs with.

It will be noted that when the tripper lever is tipped to the position illustrated in Fig. 9 and in Fig. 10, the arm 87 of said lever bears against the rock-shaft 78. hen the handle 7 9 is released, the rock-shaft 78 will be returned to its neutral position as in Fig. 3 by the spring 81. It is evident that at any time when said rockershaft is in its neutral position the tripper 73 may be rocked by hand by means of the arm 87.

Two pins 88 are fastened to each of the driver bar slides 52 and project therefrom,

respectively, into slots 89 in the driver bars 5 1.

A rivet holder 90 is slidably mounted upon the lower part 56 of the driver bar and is held stationary relatively to said driver bar by frictional means, consisting of a plate 91 which bears against the flat-ted portion 02 of said part 56 (see Fig. 8) and has a stem 93 thereon slidable in the sleeve 91 forming a part of the rivet holder. A spring 05 engages the stem 93 and acts to force the plate 91 against the part 56. pin 96 is fastened to the sleeve 9st and projects into a slot 97 formed in a plate 08 which is fastened by a screw 99 to the cap 60. One of said rivet holders and one of said plates is provided for each driver bar (see Fig. 1).

The rivet 100 to be driven in the material is held in the recess 101 8) between two fingers 102 which are each supported upon a flat spring 103 which is fastened to an arm 104: projecting downwardly from and forming a part of the sleeve 91, this being a well known means, in this art, of forming a holder for a rivet.

The rivets in mass are contained in a hopper 105 (Figs. 3 and 7). Said hopper is provided with journal pins 106 having bearings in brackets 107, 107 fast to the auxiliary frame 16. A rocking motion is imparted to said hopper by a link 108 pivotally connected at 109 to the hopper 105 and at its lower end to a crank-pin 110 adjustably fastened in a slot 111 to a disk 112. The disk 112 is fastened to a shaft 113 rotatable in a iearing 111 on the bracket 107. A gear 115 is fastened to the shaft 113 and meshes into a pinion 116 fast to a shaft 117 journaled to rotate in the bracket 107.

A pulley 118 is loosely mounted upon the shaft 117 and is locked thereto by a clutch pin 119 fast to a rod 120. The rod 120 is slidable within the shaft 117, so that the clutch pin 119 can be moved into engagement with the pulley 118 or out of engagement therewith, and into a slot in the collar 121. The pulley 118 is rotated by a belt 122 which is driven by a pulley 123 fast to the gear 37.

A series of raceways 124E lead from the outlet passages 1.25 in the hopper 105 to the upper ends of the recesses 101 between the fingers 102. nhese raceways are made of strips of steel and are rigidly fastened by screws 126 to a bar 127 extending transversely of and above the same and fastened at its ends to the brackets 107 and 107. The upper ends of the raceways coincide with the median axial line of the trunnions 106. The lower ends of the raceways 124: are free to be moved outwardly from the rivet holders and are held by their own spring tension in engagement with a cross-bar 128 which is fastened at its opposite ends to the auxiliary frame 16 by screws 129 (Fig. 6) and constitutes a stop adapted to position the lower ends of said raceways in relation to their respective holders 90.

Each of the raceways is guided, when being moved outwardly from the rivet holder, by a pin 130 fast to the cross bar 128. A pin 131 bears against each of the raceways and is slidable in the cross-bar 128. The upper end of each of said pins is adapted to be engaged by a pin 132 fast to a rockshaft 133. Said rock-shaft has bearings at its opposite ends in the auxiliary frame 16 and is rocked by means of a handle 131 fast thereto.

"When it is desired to empty the raceways, in order to use a difierent size rivet from what has been previously used, the handle 134- is moved from the position illustrated in Fig. 8 in full lines to that illustrated in dotted lines. This rocks the shaft 133 and the pins 132 are brought into engagement with the series of pins 131, moving said pins downwardly in their bearings, thus forcing the raceways outwardly at their lower ends and the rivets in the raceway then run down the same and out at the lower end thereof. Vt hen the handle 13% is released, the tension of the different raceways, due to the bending of the steel plates forming the same, causes the lower ends of said raceways to be brought into contact with the cross-bar 128, as shown in l i g. 9.

The rivets contained in the hopper 105 are removed. by rocking the rear end 135 of said hopper upon its pivotal screws 136. Said rear end is normally held in position to close the hopper by the spring catch 137. liy opening the rear end,the hopper when inclined downwardly, allows the rivets to run out into a suitable receptacle held beneata the same.

The rivets are separated one by one from the columns of rivets in the raceways by a separator 138, one of said separators being provided for each raceway, all of said separators pivoted upon a rod 139 fast to a bracket 14-0 which, in turn, is fastened to the cross-bar 128. Each of the separators 138 is provided with a recess 1 11 and with a tooth 1&2.

A. rocking motion is imparted to each of the separators by an independent lever 113, one of said levers being provided for each of said separators, and each of said levers havinga pin Hat fastened thereto, and projecting into slots 14-5 on opposite sides thereof, said slots formed in a bracket 1 1-6 fast to the auxiliary frame 16. A pin 11-7 is slidably mounted in the bracket 1 16 and is held in engagement with the lever 1-13 by a spring 1 18. A rocking motion is imparted to the lever 143 in each case by a pin 1&9 slidable in the auxiliary frame 16 and actuated to move toward the right (Fig. 8) by a spring 150. The end of the pin 149 adjacent to the part 56 of the driver bar projects into a hole 151 in which is slidably mounted a slide 152.

The slide 152 is beveled at its lower end at 153 and is provided at its upper end with a head 154 which is adapted to fit in a T- slot 57 in the part of the driver bar, so that when said driver bar moves down wardly, the slide 152 moves with it and the inclined surface 153, abutting against the end of the slide pin 149, moves said slide pin toward the left (Fig. 8), rocks the lever 143 upon its pivot 144, thus rocking the separator 138 to allow the lowermost rivet 155 to slide past the tooth 142 into the space 141. The other rivets then move down the raceway until the rivet 156 occupies the position formerly occupied by the rivet 1.55, and upon the return movement of the driver bar the slide 152 passes above the slide pin 149 and said slide pin is then moved toward the right from the position illustrated in dotted lines to that shown in full lines therein by the spring 150, thus rocking the lever 143 from the position shown in dotted lines (Fig. 8) to that shown in full lines therein and rocking the separator to the position shown in full lines, thus allowing the rivet 155 to move down the raceway into the recess 101 in the rivet holder and into the position occupied by the rivet 100 in Fig. 8.

A presser plate 157 rests upon the work as illustrated in 1 and 12. Said presser plate has a series of holes 158 extending longitudinally thereof through which the rivets are driven into the material by the drivers. Said presser plate is also provided with a series of notches 159 in one edge thereof and another series of notches 160 in the opposite edge.

The work-support 28 is provided with a series of anvils 161, said anvils being in alinement with the drivers 59, and with the recesses 101 in the rivet holders.

The presser plate 157 is supported upon posts 162 fast to the auxiliary frame 16 whereby it is guarded against lateral movement and is held downwardly upon the work by springs 163 which encircle said posts and bear against the presser plate. The presser plate is raised against the action of the springs away from the wor; by means of a U-shaped lever 164, the legs of the U being pivoted on pins 165 fast to the auxiliary frame 16. Said lever is operated by means of a handle 166 to raise the presser plate 157, while the springs 163 act to move the presser plate down and hold it against the work 27 Upon the top of the presser plate 157 are located gages 167, said gages being fastened rigidly to said presser plate at one end thereof by screws 16S, and at the other end operator raises the presser plate from the work support by lifting the handle 166. He then places the work 27 upon the worksupport, and assuming the same to be a trunk such as illustrated in Fig. 13, he places said trunk on the work-support in such a position that when he lowers the presser plate, it will rest upon one of the angle strips 170 or on one of the reinforcing strips 171 of the trunk 27. The strength of the springs 163 is suflicient to bring the presser plate 157 down against the surface of the angle strip 170 or the reinforcing strip 171, as the case may be, and the different gage pins 169 are thus pushed upwardly into the presser plate, the spring yielding to allow them to do so. The operator then moves the trunk until two of the gage pins adjacent to the same edge of the presser plate snap over the edge of the angle strip or reinforcing strip. Two pins 169 will then project down through the presser plate against the trunk body 27. The operator then moves the trunk until two of the pins 169 press against one edge of the angle strip 17 0 or the reinforcing strip 171. The work is then in position to have a plurality of rivets driven through the angle strip and into the wood of the trunk 27 and clenched against the anvils 161. The operator now places his foot upon the treadle (not shown in the drawings) and ope-rates the rod 48 to rock the lever 46 and lift the rod 44 to operatethe clutch lever 42 and move the slide 41 toward the right (Fig. 1), thus releasing the clutch mechanism and causing the clutch gear 37 to be locked to the clutch disk 40. The crank-shaft 38 will now be rotated by the pulley 34, pinion 36, gear 37 and clutch member 40, so as to cause all of the driver bar slides 52 to be moved downwardly or forwardly, and as said driver bar slides have each a pair of driver bars 54 locked thereto by their respective locking pins 62, the driver bars will move downwardly or forwardly with the driver bar slides, and the driver bars will carry with them in their downward or forward movement the rivet holders 90, each rivet holder carrying with it a rivet 100, and the rivet holders are carried downwardly until the bottom of the fingers 102 approach very closely to the upper surface of the piece into which the rivet is to be driven. At that time the stop pins 96 strike the bottom of gage plates 167 the slots 97 and thus stop the downward movement of the rivet holders, the driver bars, however, continuing their downward movement and the drivers 59 passing down into the recesses 101 drive the rivets 100 out of said rivet holders through the angle strip 170 or through the reinforcing strip 171 and into the wood, clenching said rivets against the anvils 161. During the downward movement of the driver bars, the slides 152 are moved downwardly and the beveled ends 153 thereof engage the spring-actuated slide pins 149, moving said slide pins to the left and rocking the levers 14t3 from the position shown in full lines (Fig. 8) to that shown in dotted lines therein and rocking the separator levers 138 from the position shown in full lines to that shown in dotted lines in Fig. 8. This allows the rivet 155 to pass downwardly beneath the notched portion 141 of the separator 138 and allows the other rivets on the raceways to move down about the space of one rivet, the rivets 156 resting against the teeth 1 12 of the difierent separators. Upon the return or upward. movement of the driver bars and driver bar slides, the dilferent parts will be returned to the relative positions illustrated in Fig. 3 and the clutch will automatically operate to stop the rotation of the crank-shaft when the driver bar slides and the driver bars arrive at the position illustrated in Fig. 3.

It will be noted that the different cranks on the crank-shaft 38 are set at slightly different angles. This is for the purpose of allowing the rivets, while set substantially at the same time, yet not to be clenched at exactly the same time. The purpose of the slight difference in the time of the clenching operation of the different rivets is in order that less strain may be brought to bear upon the frame 15, tending to spring the same. If, instead of driving all of the rivets, the operator desires to drive one or more rivets, but not all, he will, prior to operating the machine as hereinbefore described, raise the handle 7 9 and thus, by means of the cams S3, tip all the bell crank levers 73 from the position illustrated in Fig. 3 to that illustrated in Fig. 9, and the cams S3 thereon will then cause the bell crank lever trippers 7 3 to assume the position illustrated in Fig. 9, with the handle 87 of each of these trippers resting against the rock shaft 78. The operator will then release the handle 7 9 and the spring 81 will cause the rock-shaft 7 8 to assume its central or neutral position, with the cams 83 in a midway position between the arms 86 and 87 of the tripper levers. These levers are then free to be moved downwardly from the position illustrated in Fig. 9 to that illustrated in Fig. 3, said tripper levers be ing held in position against downward sistance caused by the springs 75. The operator then pulls downwardly on the handles 87 of all such trippers as correspond to the driver bars which he intends to have operate, and these driver bars will operate upon the rotation of the cam shaft 38, as hereinbefore described, but those driver bars whose respective trippers are left in the respective positions illustrated in Fig. 9 will be unlocked from the driver bar slides, by reason of the fact that as the driver bar slides and their respective driver bars are moved downwardly, the arm 67 of the locking mechanism will engage the arm 86 of the tripper 7 3 and the lever will then be rocked upon its pivot 66 to move the pin 62 out of engagement with the slide 52. Thus the driver bar will be unlocked from its driver slide and the driver slide descending said driver bar will perform no work, so far as that particular driver bar is concerned until its return or upward movement, when the pin 88 will engage the upper end of the slot 89 and will carry the driver bar back to the position illustrated in Fig. 3. When the lever 65 has been rocked by the tripper lever to unlock the driver bar from the driver bar slides, as hereinbefore described, it will be understood that the arm 87 of the tripper lever rests against the shaft 78 and thus locks the arm 86 against downward movement, so that the lever 65 will be rocked positively to withdraw the pin 62 from the slide 52. Upon the return movement of the driver bar slide, when the pin 88 strikes the upper end of the slot 89, the pin 62 will be in alinement with the hole in the bushing 63 and the springs 7 2 will rock the lever 65 and cause the pin 62 to enter the hole in the bushing 63.

Before starting the machine again to drive other rivets the trunk is moved to the desired position and the operator rocks the ban dle 7 9 downwardly to bring all the tripper levers 7 3 back into the position illustrated in Fig. 3. driven and it is desired to drive another row, with each rivet in alinement with a rivet in the row first driven, the trunk is placed in position so that the rivets that have already been driven shall enter QlthGTtllQ notches 160 or the notches 159, as may be most convenient and according to the position in which the trunk is held, and this will cause the next row of rivets to be driven with each rivet in exact alinement with a rivet in the row previously driven. If, in the operation hereinbefore described, of feeding the rivets there should be, for any reason, a binding of the rivets in the raceway or if said rivets, in other words, do not feed as freely as they should, damage to the machine or the rivets is avoided by the construction hereinbefore described, in which the pivots 1% are held move at that time only by the frictional re- 1 in position by the spring pins 147 and if the After one row of rivets has been binding referred to should occur, then the pivot 144 would move toward the left (Fig. 8), the spring 148 would yield and no damage would result from the binding of the rivets in the raceway.

lVhen all the rivets required of one size have been driven, and it is desired to operate the machine to drive a different size rivet, the rivets are removed from the hopper 105 by lifting the end 135, as hereinbefore described, and emptying the hopper. The raceways are emptied by rocking the lever 134 fro n the position shown in full lines (Fig. 8) to that shown in dotted lines therein, thus rocking the shaft 1-33 and causing the different pins 132 to push the slide pins 131 downwardly and springing the raceways 124 away from their respective rivet holders and separators to a sufficient distance at the bottom ends of the said raceways to allow the rivets to run out into a receptacle provided therefor. As soon as the requisite number of rivets have been driven, the work is removed from the work support by lifting the presser plate 157 by means of the handle 166 and the work is then slipped 05 of the work support from beneath the raised presser plate.

When it is desired to get at the mechanism the back of the auxiliary frame 16, it can conveniently be accomplished by remov ing the pin 26 and swinging said head on its pivot 17 and on the ears 20 and 21 until it stands at an angle to the stationary frame, so that all the parts in the rear of said auxiliary frame can be readily seen and operated upon, adjusted or repaired, and when said auxiliary frame is thus swung upon its pivot the rod 44 on said movable auxiliary frame automatically moves outof engage ment with the lever 46 on the stationary fame 15, and when said auxiliary frame is swung back into normal working position the rod 44 automatically moves into engagement with said lever 46.

Having thus described my invention, what I claim and desire by Letters Patent to secure is:

1. A riveting machine having, in combi nation, a driver bar, a driver bar slide, means to impart a reciprocatory motion to said driver bar slide, means mounted on said driver bar adapted to lock said driver bar to said driverbar slide and means mounted on a stationary support adapted to engage said locking means and actuate the same to unlock said driver bar from said driver bar slide.

2. A riveting machine having, in combination, a driver bar, a driver bar slide, means to impart a rcciprocatory motion to said driver bar slide, Jeans mounted on said driver bar adapted to lock said driver bar to said driver bar slide, and means mounted on a stationary support adapted to engage said locking means during the downward movement of said driver bar and driver bar slide and actuate the same to unlock said driver bar from said driver bar slide, said actuating means adapted to be set in position to be cleared by said locking means during said downward movement.

3. A riveting machine having, in combination, a driver bar, a driver bar slide, a pin slidable on said driver bar transversely thereof into and out of engagement with said driver bar slide, a lever pivoted on said driver bar having one arm engaging said pin, and a tripper adapted to engage said lever during the downward movement of said driver bar and driver bar slide to actuate said lever to disengage said pin from said driver bar slide.

4. A riveting machine having, in combination, a driver bar, a driver bar slide, a pin slidable on said driver bar transversely thereof into and out of engagement with said driver bar slide, a lever pivoted on said driver bar having one arm engaging said pin, and a tripper adapted to engage said lever during the downward movement of said driver bar and driver bar slide to actuate said lever to disengage said pin from said driver bar slide, said tripper adapted to be set in position to be cleared by said lever during said downward movement.

5. A riveting machine having, in combination, a driver bar, a driver bar slide, a pin slidable on said driver bar transversely thereof into and out of engagement with said driver bar slide, a lever pivoted on said driver bar having one arm engaging said pin, a tripper adapted to engage said lever during the downward movement of said driver bar and driver bar slide to actuate said lever to disengage said pin from said driver bar slide, said tripper adapted to be set in position to be cleared by said lever during said downward movement, and means to hold said tripper in either of said positions.

6. A riveting machine having, in combination, a driver bar, a driver bar slide, a pin slidable on said driver bar transversely thereof into and out of engagem nt with said driver bar slide, a lever pivoted on said driver bar having one ar 11 en aging said pin, yielding means adapted to move said pin into locking engagement with said driver bar slide, and a tripper adapted to engage said lever during the downward movem nt of said driver bar and driver bar slide to actuate said lever to disengage said pin from said driver bar slide.

7. A riveting machine having, in combination, a driver bar, a driver bar slide, means to impart a reciprocatory motion to said driver bar slide, means mounted on said driver bar adapted to lock said driver bar to said driver bar slide, means mounted onast-ationary support adapted to engage said locking means and actuate the same to unlock said driver bar from said driver bar slide, and means on said driver bar slide, independent of said pin adapted to engage and move said driver bar during the return movement of said. slide only.

8. A riveting machine having, in combination, a driver bar slide, a plurality of driver bars, means to impart a reciprocatory motion to said driver bar slide, means mounted on each of said driver bars respectively adapted to lock said driver bars to said driver bar slide, and a plurality oitrippers adapted to engage said respective locking means during the downward movement of said driver bar slide and driver bars and actuate said locking means to unlock said driver bars from said driver bar slide, said trippers lap-ted to be independently set in position to be cleared by said locking means during said downward movement.

9. A riveting machine having, in col hination, a driver bar slide, a plurality of driver bars, means to impart a reciprocatory motion to said driver bar slide, means mounted on each of said driver bars respectively adapted to lock said driver bars to said driver bar slide, a plurality of trippers adapted to engage said respective locking means during the downward movement of said driver bar slide and driver bars and actuate saic locking means to unlock said driver bars from said driver bar slide, saic trippers adapted to be independently set in position to be cleared by said locking means during said downward movement, and means to simultaneously set all of said trippers in operative or inoperative positions.

10. A riveting machine having, in combination, a driver bar slide, a plurality of driver bars, n'ieans to impart a reeiprocatory motion to said driver bar slide, means mounted on each of said driver bars respectively adaptc; to lock said driver bars to aid driver bar slide, pin slidable on each of said driver bar: respectively transversely thereof into and out of engagement with said driver bar slide, a lever pivoted on each of said driver bars respectively, one arm of said lever engaging its respective pin, a plurality of hell crank levers constituting tripners mounted upon a stationary support, one arm of each of said bell crank levers adapted to engage one of said levers respectiv vly during the downward movement of driver bars and driver bar slide to actuate said love s to disengage said pins from said slide, saiu bell crank levers adapted to be independently in position to be cleared by id ievers during said downward movement, and manually operable cams located between the arms of said bell crank levers adapted to simultaneously move said bell crank levers into and out of operative position.

11. A riveting machine having, in combination, a plurality of driver bars, a plura-lity of driver bar slides, means to impart a reeiprocatory motion to said driver bar slides, means mounted on. each of said driver bars respectively adapted to lock said driver bars to said driver bar slides, and a plurality of trippers adapted to engage said respective locking means during the downward movement of said driver bar slides and driver bars and actuate the same to unlock said driver bars from said driver bar slides, said trippers adapted tobe independently set in position to be cleared of said locking means during said downward movement.

12. A riveting machine having, in combination, a plurality of driver bars, a plurality of driver bar slides, means to impart a reciprocatory motion to said driver bar slides, means mounted on each of said driver bars respectively adapted to lock said driver bars to said driver bar slides, a plurality of trippers adapted to eno'a .QB said respective lockin means during the downward movement of said driver bar slides and driver bars and actuate the same to unlock said driver bars from said driver bar slides, said trippers adapted to be independently set in position to be cleared by said locking means during said downward movement, and means to simultaneously set all of said trippers in operative or inoperative position.

13. A riveting machine having, in combination, a driver bar, a driver fast thereto, a rivet holder adapted to hold a rivet in alinement with said driver, a raceway adapted to guide rivets to said rivet holder, a separator adapted to separate one rivet of said raccway from a mass or" rivets thereon, a lever connected to said separator and adapted to impart a rocking motion thereto, a slide engaging said lever, a spring adapted to impart motion to said slide in one direction, and another side fast to said driver bar eX- tending transversely of said first named slide and adapted to engage and move the latter in opposition to said spring.

let. A rivet'ng machine having, in combination, a driver bar, a driver fast thereto, i i adapted to hold rivet in alinement with said driver a raceway adapted to guide rivets to said rivet holder, a separator adapted to separate one rivet or" said raceway irom a mass rivets thereon, a lever connected to said separator and adapted to impart a rocking motion thereto, a yieldingly mounted pivot therefor, a slide engaging said lover, a spring adapted to impart motion to said slide in one direction, and another slide fast to said driver bar or;-

tending transversely of said first named slide and adapted to engage and move the latter in opposition to said spring.

15. A machine for driving rivets and the like having, in combination, a rivet holder, a raceway adapted to guide rivets to said holder, the upper and lower ends of said raceway being integral, the upper end of said raceway being rigidly fastened to a stationary support, and a stop against which said raceway is adapted-to be held by its own spring tension, with its lower end adj acent to said holder, the lower end of said raceway being free to be swung away from said holder.

16. A machine for driving rivets and the like having, in combination, a rivet holder, a raceway adapted to guide rivets to said. holder, the upper and lower ends of said raceway being integral, the upper end of said raceway being rigidly fastened to a stationary support, a stop against which said raceway is adapted to be held by its own spring tension, with its lower end adjacent to said holder, the lower end of s; id raceway being free to be swung away from said holder and means to move and hold the lower end of said'raceway away from said holder.

17. A machine for driving rivets and the like having, in combination, a plurality of rivet holders, a plurality of raceways, each adapted to guide rivets to one of said holders respectively, the ends of said raceways adjacent to said holders adapted to be swung toward or away therefrom, the other ends of said raceways being rigidly fastened to a stationary support, a rock shaft extending transversely of said raceways, and means operated by said rock shaft adapted to spring said raceways and move the lower ends thereof away from said holders.

18. A machine for driving rivets and the like having, in combination, a rivet holder, a raceway adapted to guide rivets to said rivet holder, the lower end of said raceway adjacent to said holder being free to be swung toward or away therefrom and the upper end of said raceway rigidly fastened to a stationary support, a hopper adapted to contain rivets and the like in mass and having outlet passages adjacent to the up per ends of said raceway, a pivot for said hopper extending transversely of said raceway, the median axial line of said pivot substantially in alinement with the upper ends of said raceways, and means adapted to rock said hopper on said pivot. e

19. A machine for driving rivets having, in combination, a work support, a series of anvils thereon, a series of drivers located in alinement with said anvils, a presser plate located between said anvils and drivers and provided with a series of holes through which rivets may be driven into material located on said work support beneath said presser plate, said presser plate provided with a series of notches in one edge thereof corresponding in number with said holes in said presser plate and in alinement respectively therewith and means to guard said presser plate against movement laterally thereof.

20. A machine for setting rivets having, in combination, a stationary frame, an auxiliary frame, a vertical pivot connecting said auxiliary frame to said stationary frame, a plurality of organized rivet feeding and driving instrumentalities mounted on said auxiliary frame, a work support consisting of a vertical arm on said stationary frame, and a plurality of anvils on said work support adapted to coact with said driving instrumentalities in the setting of said rivets in material resting on said work support.

21. A machine for setting rivets having, in combination, a stationary frame, an auxiliary frame, a vertical pivot connecting said auxiliary frame to said stationary frame, a plurality of organized rivet feeding and driving instrumentalities mounted on said auxiliary frame including a clutch, a lever to operate the same, a rod connected to said lever, and another lever pivoted on said stationary frame adapted to engage one end of said rod, whereby said movable auxiliary frame may be swung on said pivot and said rod thereon may be automatically moved into or out of engagement with said lever on said stationary frame.

A machine for driving rivets and the like having, in combination, a rivet holder, a driver bar upon which said rivet holder is slidably mounted, a driver fast to said driver bar, frictionalmeans adapted to hold said rivet holder stationary relatively to said driver bar, a stationary stop adapted to be engaged by said holder, a driver bar slide, means to impart a reciprocatory motion to said driver bar slide, means mounted on said driver bar adapted to lock said driver bar to said driver bar slide, a tripper mounted on a stationary support adapted to engage said locking means during the downward movement of said driver bar to actuate the same to unlock said driver bar from said driver bar slide, said tripper adapted to be set in such a position as to be cleared by said locking means during said downward movement.

23. A machine for driving rivets having, in combination, a Work support, a series of anvils thereon, a series of drivers located in alinement with said anvils, a presser plate located between said anvils and drivers and provided with a series of holes through which rivets may be driven into material located on said work support beneath said presser plate and a plurality of edge gages mounted on said presser plate, each consisting of a spring-pressed pin projecting through said plate and beyond the bottom thereof and means to force said presser plate against said material on said work-support.

24. A machine for driving rivets having, in combination, a work support, a series of anvils thereon, a series of drivers located in alinement with said anvils, a presser plate located between said anvils and drivers and provided with a series of holes through which rivets may be driven into material located on said work-support beneath said presser plate and a plurality of edge gages mounted on said presser plate, each consisting of a fiatspring fast at one end thereof to the upper face of said plate and a pin fast to the other end of said flat spring and projecting downwardly therefrom through and below said presser plate and means to force said presser plate against said material on said work support.

25. A machine for driving rivets having, in combination, a work support, a series of anvils thereon, a series of drivers located in alinement with said anvils, a presser plate located between said anvils and drivers and provided with a series of holes through which rivets may be driven into material located on said work-support beneath said presser plate, a plurality of edge gages mounted on said presser plate, ing of a spring-pressed pin projecting through said plate and beyond the bottom thereof and springs adapted to overcome the tension of said spring-pressed pins and force said plate into contact with said material on said work-support.

26. A machine for driving rivets and the like having, in combination, a rivet holder, a raceway adapted to guide rivets to said each consist- I holder, the upper and lower ends of said raceway being integral, the upper end of said raceway being rigidly fastened to a stationary support, a stop against which said raceway is adapted to be held by its own spring tension,with its lower end adjacent to said holder and a separator adjacent to the lower end of said raceway and adapted to separate the lowermost rivet on said raceway from a column of rivets thereon, the lower end of said raceway being free to be swung toward and away from said separator and means to move and hold the lower end of said raceway away from said separator.

27. A machine for setting rivets and the like having, in combination, a plurality of raceways adapted to guide rivets, a plurality of separators, one for each of said raceways, each of said separators adapted to separate the lowermost rivet on its raceway from a column of rivets and feed the same down said raceway, the ends of said raceways adjacent to said separators adapted to be swung toward or away therefrom, the other ends of said raceways being rigidly fastened to a stationary support, a rock-shaft extending transversely of said raceways and means operated by said rockshaft adapted to spring said raceways and move the lower ends thereof away from said separators.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

CHARLES S. GoomNG, SYDNEY E. TAFT.

Copies of this patent may be obtained for five cents each,

by addressing the Commissioner of I'atents,

Washington, D. G.

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