US1137476A - Heel-attaching machine. - Google Patents

Description

J. E. GLI'DDEN, DECD.

S. E. GLIDDEN, ADMINSTRATRIX.

HEEL ATTACHING MACHINE.

APPLICATION FILED jAN- 16. 1911.

3 SHEETS-SHEET l.

. I. Ft 1 1 62 124 2' m 5 26 FE so a iilWHl HIIHIWIH I IN mummmum THE NORRIS PETERS ca, PHOTO-LITHCL, WASHINGTON, u. c.

J. E. GLIDDEN, DECD.

s E. GLIDDEN. ADMINISTRATRIX.

HEEL ATTACHING MACHINE.

APPLICATION FILED JAN-16,1911.

1 1 37,476, Patented Apr. 27, 1915.

3 SHEETS-SHEET 2.

THE NORRIS PETERS Cm. PHDTO-LITHO.. WASHINGTON. D. c

J. E. GLIDDEN, DECD.

S. E. GLIDDEN. ADMINISTRATRIX.

HEEL ATTACHING MACHINE.

APPLICATION FILED JAN-16,1911.

1,137,476. Patented Apr. 2 915.

3 SHEETS- 1 3. F1. 5

1 5 92 if 5 1/ o\ 1 R 7 1 31171137111 "7* I W/AF JOHN E. GLIDDEN, 0F BEVERLY, MASSACHUSETTS, BY SADIE E. GLIDDEN, GUARDIAN, OT! BEVERLY, MASSACEUSETTEQ; SAID SADIE E. GLIDDEN, ADMINISTRATR-IX OF SAID JOHN E. GLIDDEN, DECEASED, ASSIGNOR- 30 UNITED SHOE MACHINERY COMPANY, OF PATTERSON, NEW JERSEY, A. CGRPGBAEZIGN OF NEW JERSEY. '7

HEEL-ATTAGHING MACHINE.

Specification of Letters Patent.

Application filed January 16, 1911. Serial No. 602,884.

T all 1072 0m it may concern Be it known that JOHN Beverly, in the county of Essex and State of Massachusetts, insane, invented certain Improvements in Heel-Attaching Machines, of which the following description, in connection with the accompanying drawings, is a specification, like reference characters on the drawings indicating like parts in the several figures.

This invention relates to heel attaching machines.

The invention is shown as embodied in a machine of the type known as the National heeling machine, in which the shoe is supported upon a suitable jack or work-support in an inverted position, the heel blank to be attached is placed on the shoe by the operator, and when the machine is started a reciprocatory cross-head carrying awls and drivers is first made to descend in order that the awls may form holes in the heel, and then to descend again to cause the drivers to drive nails through the holes thu formed and attach the heel to the shoe. In such machines, the nails are not always driven entirely into the heel but may be left with their ends slightly projecting in order that the usual top lift may be spanked on by a subsequent operation of the machine.

The present improvements have for their objects the elimination of certain objectionable features in machines of the type refered to, the simplification of the mechanism thereof, the successive automatic attachment of heels and top lifts in a highly effective manner, and an increase in the speed of operation of the machine.

ll ith these and other important objects in view, the invention contemplates the provision, in connection with the usual rcciprocating cross head, of a series of nail drivers connected therewith which also constructed to act as awls for forming openings in the heel prior to the nail driving operation. The drivers have imparted to them two strokes in each cycle of operations, first a short stroke to prick the heel, and then longer stroke to drive the attaching nails, and said drivers occupy passages in the nail block which are sufficiently large in their upper portions to retain the nails during the preliminary stroke, for pricking the heel.

E. GLLDDEN, of

When the drivers are thereafter raised, the nails are permitted to pass below the driv- Patented Apr. 2'7, 1915. r

ers in position to be driven through the heel the attaching operation as the dri ers are caused to descend the second time. The arrangement for thus pricking the heel upon one stroke of the drivers and for automatically feeding the nails into position to be driven by the upward movement of the drivers preliminary to their attaching stroke, I regard as an important feature of the invention.

Preferably, the heel is subjected to compression while in contact with the shoe during the pricking and heel-attaching operations by an upward movement of the jack, effected through toggle mechanism, which presses block. The nail block, which carries a top lift holder, may, and preferably will be arranged for swinging movement and is operated in such manner as to position the nail passages over the heel during the pricking and nail driving operations, and to locate the driver passages to one side as the top lift holder moves in position for spanking the top lift onto the projecting ends of the nails, and during these movements of the nail block the drivers are retained in the driver passages and move laterally with the nail block.

The described movements of the nail block and top lift holder are effected automatically in proper time relation to the movements of the cross head and the jack. In the preferred construction, this is accomplished by two weights one of which is, through suitable connections, arranged to move the nail block in one direction, and the other to move it in the opposite direction, said weights being lifted by the lower cross head of the machine on the upward movement of the drivers, and one weight retained raised, and the other released, alternately, on successive reciprocations of the cross head to first position the nail block passages over the heel, and to then position the top lift holder thereover. The lateral movement of the nail block to bring the top lift holder in position following the heel attaching operation will not be permitted until the jack descends to relieve the pressure upon the nail block, and likewise the reverse lateral movement to the heel against the templet or nail I bring the driver passages in position for another heel attaching operation, following a'single operation of the treadle will start' the machine which will automatically raise the jack, prick a heel,.drive the attaching nails, feed a top lift to the holder, lower the jack, move the nail block out of position and the top lift holder in position and bring the machine to rest. A second operation of the treadle will start the machine again, and the mechanism will spank a top lift onto the projecting nails, lower the jack, reverse the relative positions of the-nail block and top lift holder, and stop the machine with the several parts in position for another operation. 7

Other features of the invention than those specifically referred to,'including important details of construction and combinations of parts, will be hereinafter more particularly described and claimed.

In the drawings: Figure l is a front elevation, partly sectional, of a heeling machine embodying the present invention, with the treadle and its connections omitted; Fig. 2 is a vertical longitudinal section of the machine shown in Fig. 1, including the treadle mechanism; Fig. 2 is a sectional detail view on the line y3 Fig. 2 looking in the direction of the arrow; Fig. 3 is an enlarged bottom plan view of the rotatable carrier supporting the nail block and top lift holder; and Fig. 4 is an enlarged sectional detail view of the nail block and driver plate, showing in elevation a combined awl and driver, and a nail in a side pocket of a driver passage. 7

The main frame 10 of the machine is pro-. vided with suitable bearings 18 within which are mounted, for vertical reciprocation, the side bars 12. To the upper ends of these side bars is rigidly attached a cross head 14, and to the lower ends a cross head 16, the side bars and cross heads'constituting a rigid frame. The main frame of the machine is provided with suitable bearings fora crank shaft 24 to which are rigidly connected the crank disks 52 and 80 which carry the crank 22, and a pitman 20 forms a connection between the crank and the cross head 16 in order that upon rotation of the crank shaft the frame composed of the cross heads and side bars may be reciprocated. The crank shaft 24 is provided with two similar gears. 26, which are keyed or otherwise fastened thereto, the gears26 meshing with pinions 27 secured upon a counter shaft 28 which is mounted in suitable bearings carried by the frame 10. The counter shaft.

28 has fast thereon a gear 30 which meshes with a pinion 32 secured upon the main driving shaft 34, which latter is supported for rotation in suitable bearings carriedby the frame 10.. The shaft 34 is shown as having thereon a Horton clutch 36 which is arranged between the pinion 32 and the shaft 34, and may be controlled in such manner as l to operatively connect the pinion 32 with the shaft in order to start the machine or to disconnect these parts to arrest the operation of the machine. 7 r

A treadle 38, which is fulcrumed by a stud 35 to the machine frame has a cam face 39 upon its rear end which engages a cam face 37 upon the downwardly extending arm of a lever 40, which is fulcrumed by a stud 42 to theframe 1.0. The lever40 has a rearwardly extending arm 44 which is arranged to engage a shoulder on the clutch 36 and 2- thereby arrest its movement and-bring the machine to a stop, when the parts are as shown in Fig. 2 of the drawings. Upon depression of the treadle 38, the cam surface 39 will act upon the cam surface 37, thereby raising the arm 44 of the lever 40 to release the clutch, and start the'machinein operation. The lever 40 has an upwardly extending arm 46 which at its upper end is pro vided with a curved face 48 arranged for engagement with a cam 50 carried by the crank shaft 24, the purpose of which will be hereinafter explained. The crank disk 52 is provided with a cam shaped depression 54 with which engages a cam roll 56 carried at the lower end of a plunger 58 which is free to slide vertically through an aperture in a table'60 which is formed as a rigid part of the main frame 10 of the machine. A slide 64 carrying a jack 66 is supported upon the table 60, and guides 62 on the table are constructed and arranged to engage the bell crank lever is pivotally connected to a link 72, which inturn is pivoted to the jack 66, so that the arm 68 and link 72 form a toggle. WVhen the toggle is straightened the jack will be raised, and when the toggle is broken the jack will be permitted to descend. A third arm 7 4 is rigidly connected with the arms 68 and 70 of the bell crank and when the parts are in the position shown in Fig. 2 the arms 7 4 will be engaged by a plunger 7 6, which is arranged to reciprocate through an aperture in the table 60, and carries at its lower end a cam roll which has bearing upon a cam-shaped projection 78 on the periphery of the second crank disk 80. The cam shaped depression 54 in the crank disk 52 is so related angularly to the projection 78 upon the crank disk 80 that, when the plunger 7 6 is raised, the plunger 58 may be correspondingly lowered, and vice versa. It will thus be seen that as the cam roll 56 passes from the depression 54 to the eriphcry of the disk 52 the plunger 58 will be elevated, thereby straightening the toggle 68, 7 2, and raising the jack to apply a preliminary pressure to the shoe and heel supported thereon by forcing the heel against the nail block 84; and when the cam roll on the lower end of plunger 76 rides upon the projection 78 the cam roll 56 will occupy the de pression 54, and the toggle will be broken and the ack lowered.

Referring now to Fig. 3, the numeral 82 indicates a rotary drum or carrier upon which are mounted a nail block and a top lift holder. The drum or carrier 82 is supported for rotation in a secondary frame 83 which is sustained upon posts 85 erected upon the table 60, or upon any other rigid part of the main frame 10 suitable for the purpose. As shown in Fig. 2, the drum 82 isprovided with a grooved pulley 158 which is confined between a circumferential shoulder on the interior of the frame 83 and a ring 87 which is suitably secured to said frame, the ring being arranged below the pulley 158 and serving to thereby sustain the carrier 82, it being understood that the carrier and its attached pulley are con fined between the shoulder and ring in such manner as to permit of their free rotation, as will be more fully hereinafter described.

The nail block 84 is secured to the carrier by screws 86, which are shown as being cut away upon one side at 88 to provide a suitable amount of clearance to permit the insertion of the nail block in position. A back gage 90 is secured upon the under side of the carrier, and determines the position of the rear portion of a top lift. Two gripper fingers 92 and 94 are slidably mounted upon the under side of the carrier and are reciprocable toward and from each other, the grippers being provided with roughened inner surfaces to frictionally engage the side edges of a top lift. Each of the grip per fingers carries a rack, and the teeth of these racks face each otherand mesh with an intermediate idler pinion 96 to insure equal movement of the grippers in opposite directions, in order that the top lift will always be centered. A spring 98 connects the gripper fingers, and acts with a tendency to move them toward each other for yieldingly gripping a top lift, such movements of the grippers being suitably limited by an adjusting screw 100. The drivers 102 are secured at their upper ends in a driver plate 106 which is covered by a backing plate 108, thereby confining the drivers to the driver plate, the backing plate being provided adjacent each driver, as shown in Fig. 4, with a nail receiving aperture 116 which alines with an aperture in the driver plate. Each aperture 116 is in alinement with a pocket 117 which is positioned laterally with reference to the nail driving passage in the block 84 occupied by the driver, from which it will be seen that if nails 114 are introduced in the apertures 116 when the drivers are in the position shown in Fig. 4, the nails will be retained in the pockets 117 until the drivers are lifted to a height suflicient to permit the nails to move by gravity into the driver passages below the drivers. Each driver is formed at its lower end with a reduced portion 1.12 which acts as an awl to prick the heel during the initial downward movement of the cross head 14.

The driver plate is guarded in a circular groove 110 formed in a segmental guiding flange carried by a block 188, which is supported from the cross head 14, and the groove 110 is arranged to register with a groove 110 in the frame 83 to form a contiuation thereof. The arrangement of these parts is such that as the carrier 82 is rotated and moves the block 84 the drivers partake of the same movement and are always maintained in the driver passages, and at the proper elevation therein.

A bracket 190,'projecting rearwardly and upwardly from the machine frame, is intended to support a suitable automatic nail assorting and distributing device which will supply nails through a foot plate 192 to the nail passages 117 in the nail block when the latter is in its rearmost position during the operation of spanking on a top lift.

The crank shaft 24 carries a pinion 118 which meshes with a gear 120 which is loose on the counter shaft 28 and drives a cam disk having in its face a groove 122. Suitably guided for vertical reciprocation in the frame of the machine is a rod 124, carrying at its lower end a cam roll which runs in the groove 122, and at its upper end having a rack 126. The rack 126 meshes with a pinion 128 to which is rigidly attached a segmental gear 130, which meshes with a rack 132 connected to a suitable top lift feeding slide 134 which is designed to feed the lowermost top lift of a stack contained in a magazine, (not shown) forwardly into position between the gripper fingers 92, 94. Th1s feeding operation occurs at that point in the cycle of operations of the machine when the heel isbeing attached to the shoe, and consequently the top lift holder occupies an appropriate position for receiving a top lift, while the nail block is positioned toward the front of the machine, as shown in Fig. 2. The reciprocation of the top lift feeding slide 134 is made to occur at the time that the heel attaching operation is being completed. The crankshaft is geared down from the driving shaft 34 so that four revolutions of the latter are required to effect one revolution of the former. Thus it is necessary to hold the stop arm 44 out of engagement with the clutch 36 during three revolutions of the shaft 34. This result, is effected by the cam 50 and cooperating arm 46, as previously described, the cam being so designed that the stop arm 44 will not be allowed to fall back and engage the clutch to stop the machine until the completion'of the fourth revolution of the driving shaft 34.

For the purpose of oscillating the carrier 82, the following mechanism is provided. Two weights 136, 138, are guided in sleeves 140,142, supported from the frame of the machine as shown in Fig. 1. These weights are attached to the ends of a cord 144 which passes over pulleys 146, 146, and around a pulley 148 mounted at the front end of a shaft 150. The pulleys 146 and 148 are suitably supported for rotation upon a rigid part of the main frame of the machine, as shown in Fig. 1. The-shaft 150'is provided at its rear end with a pulley 152, see Fig. 2,

around which passes a belt 154 which passes over pulleys 156, and then around the pulley 158 on the carrier 82. Pins 162, 164, project forwardly from theweights 136, 138, pass through vertical slots in the sleeves 140, 142, and engage the top of the lower cross head 16, as shown in Fig. 2. Mounted upon the cross head 16 is an upwardly projecting rack 166 which meshes Witha pinion 168, supported for rotation from the main frame, to which pinion is rigidly connected an arm 170 carrying a pawl 172. A disk 174, having two ratchet teeth 176, and a crank pin 178, is rotatable about the same center as the arm 170. The crank pin 178 travels in 'a vertical slot formed in a transversely reciprocable rod 180 which is guided in the bores of suitable bosses carried by the sleeves 140, 142, said rod being reciprocated, through the connections described, as the crank disk 174 is rotated. At each end of the rod 180 is a spring-pressed pin 182 which at proper times enters a corresponding recess 184 in the respective weight. 7

The crank disk 52, in which is formed a Cam recess 54 to control the operation of'the toggle for lifting and lowering the jack, as

shown in Fig.2, is formed in two parts which permits that part ofthe diskcarrying the recess 54'to be adjusted relatively to the crank 22, in'order that the movements of the jack may be changed as to their timing relatively to the movements of the cross head, if desired.

In the normal operation of the machine the parts are brought to rest in the positions as shown in Fig. 2 of the drawings with the crank 22 about 45 back of its lowermost position, and the drivers 102 will be slightly raised as shown in Fig. 4. Prior to starting the machine the opera-tor will place a shoe upon the jack 66, and will position a heel blank thereon, and move the ack to its rearmost position, as shown'in Fig. 2.. The operator then steps -'upon the treadle, thereby actuatingthe lever 40 to raise the arm 44 and release the clutch, which will effect engagementbetweenthe driving shaft 34 and As the machine starts the the pinion 82. crank will move for a distance of 45 downward, with the result that the cross head is first depressed to the limit of its downward movement while the plunger 58 is lifted, thereby straightening the toggle 68, 72, and applying a preliminary pressure through the jack 66 to the shoe and heel by forcing the heel against the under side of the nail block 84. During this initial downward movement of the cross head the drivers are actuated a suflicient distance to prick holes in the heel. -Upon the continued rotation of the crank the cross head is elevated until the lower ends of the drivers are high enough in their guides or passageways in the nail block to permit the nails 114, which were located in the pockets 117 along the sides of the passages, to fall beneath the ends of the drivers.

As the cross head is initially raised a half rotation will be imparted to the arm 170 in a contra-clockwise direction, as viewed in Fig. 1, through the rack 166 and pinion 168. This movement of the arm 170 will, through the pawl 172 and the ratchet tooth upon the crank disk with which it is engaged, cause i the rod 180 to be moved toward the right as viewed in Fig. 1, withdrawing the left-hand pin 182 from the recess in the weight 136 which said pin hadoccupied- Both weights will be elevated by the cross head 16 as it rises, through engagement therewith of the pins 162, 164. When the cross head is raised sufficiently to permit the recess 184 in the weight 138 to aline with the spring-pressed pin 182 at the right hand end of the rod 180,

the pin will enter the recess and lock the weight 138 in its elevated position. The

cross head is then lowered by the continued operation of the machine, to drive the nails through the'heel andshoe until thedrivers are inzthe position shown in Fig. 4, the heel thus being attached in the usual manner With the heads of the attaching nails left projecting a sufficient distance to permit the top lift to be spanked thereon. During this movement of the cross head the'weight 136, which had been previously released, will move downward, and as soon as the parts reach the position shown in Fig. 2 so that the pressure is released by the jack, the weight will, through the connections heretofore described, impart a semi-rotation to the carrier 82 which will locate the top lift holder over the attached heel, while the nail block will occupy the position at the rear of the machine previously occupied by the top lift holder. While in this position nails will be supplied by the nail assorting and distributing mechanism to the apertures 116 and pass thence to the pockets 117, where they will be retained temporarily by the drivers.

As above stated, a top lift has been automatically fed to the grippers 92, 9 1, and the movement of the carrier just described will bring the top lift into attaching position. The treadle 38 being again depressed, the jack will be elevated a second time through the toggle 68, 72, thereby forcing the shoe up against the top lift held by the grippers 92, 94:, the top lift being in turn forced against thestationary spanker plate 186 on the under side of the carrier, thus spanking the top lift onto the projecting ends of the heel attaching nails. During the top lift spanking operation, the drivers will not be actuated sinceby the rotation of the carrier 82 they have been carried out of engagement with the block 188 upon the cross head 14, the driver plate being temporarily received in the guiding groove 110, in the frame 83. The arm 170, however, will be given another semi-rotation by the rack 166 as the cross head rises preliminary to the top lift spanking operation and, through the pawl and ratchet mechanism previously described, the bar 180 will be moved this time to the left as viewed in Fig. 1, so that the spring-pressed pin 182 at the left-hand end thereof will enter the recess in the weight 136, maintaining the said weight in its elevated position and allowing the weight 138 to fall as the cross head is lowered. When the pressure is again removed from the jack the weight 138 causes a reverse rotation of the carrier 82, thereby bringing it again into position, as illustrated in Fig. 3, preliminary to starting a new cycle of operations of the machine.

The machine isprovided with a guiding and centering gage 194: which is arranged to engage the rear portion of a shoe. This gage carries a rearwardly extending threaded shank 198 which is adjustably secured to a bracket, which in turn is supported for vertical adjustment upon two screw-threaded supports 196 extending downwardly from a rigid part of the frame. The gage is thus arranged for adjustment in a vertical direction, and also in a horizontal direction toward the front or the rear of the machine in order to be adaptable to different requirements of the work.

t will be seen that the machine pricks a heel, supplies and drives the attaching nails, and spanks a top lift thereon, the only manipulation by the operative required being to position the shoe and heel upon the jack, and to impart two sucecssive depressions to the controlling treadle, and that all of the functions of the-machine as above described are automatically performed.

While the controlling treadle ordinarily, and as a matter of convenience, is depressed twice to efiect a complete cycle of operation, the operator may by retaining his foot upon the treadle cause a complete cycle to be performed without bringing the machine to a stop between the heel-attaching and top lift spanking operation.

It will be understood that changes may be made in the form, proportion, or in the structural details hereinbefore described, without departing from the scope of the invention as defined in the following claims.

Having thus described the invention, what is claimed as new and desired'to be secured by Letters Patent of the United States is:

1. A heel attaching machine having, in combination, a laterally movable-nail block having provisions for accommodating drivers and nails in parallel relation to each other, drivers arranged for movement with the nail block, and actuating means for the drivers. 7

2. In a machine of the class described, a nail block provided with driver passages, each of said driver passages being enlarged at one side, to provide pockets in which nails may be retained in parallel relation to the drivers. i

3. In a machine of the class described, a driver, and a nail block having a driver passage, the upper portion of said driver passage being provided at one side with a longitudinal nail holding pocket in which a nail may be retained by engagement with the side of said driver, said driver being arranged to be elevated sufficiently to permit the nail to drop into the driver passage in front of the driver.

4:. A heel attaching machine having, in

drivers in said passages, and a driver plateconnected with the drivers and having nail passages alining with said recesses.

6.'A heel attaching machine having, in

combination, a laterally movable snail blockprovlded with'drlver passagesand nail receiving recesses, drivers in said passages, a drlver plate connected with the drivers and having nail passages alining' with said recesses, said plate and drivers arranged for movement with the nailbl-ock, andmeans for-actuating the drivers. I v

1 7. A. heel attaching machine having, in

combination, a laterally movable nail block provided withv driver passages, devices constructed to act as awls or drivers arranged in. said passages and movable with the nail taching nailstherein.

9. A heel attaching machine having,

combination, a nail block provided with driver passages and constructed to receive nails therein, and drivers supported for reciprocation in said passages and arranged to temporarily retain thenails in the block, said drivers being alsoiconstructed toact as awls.

10. A heel attaching machine having, in combination, anail block provided with driver passages and nail receiving recesses, and devices supported for reciprocation in said passages. arranged to control the discharge of nails from said nail blockand constructed-to act as awls or drivers.

lL'In a machine of the class described, the combination of a tool constructed to act as either an awl or a driver, and a nail block in whichsaid tool is supported for reciprocation, said nail block being constructed to permit the retention, of a nail therein. by the tool while said 'tool'is ,recipro'cated to prick a hole in the work. 7

12. In a machine of the class. described, the combination of a laterally movable nail "block and top lift holder arranged to be brought successively into heel-attaching and top; lift-attaching position, drivers constructed to act as awls occupying passages in the nail block and movable therewith, a jack, and mechanism for first actuating the jack topress av heel against the nail block and for actuating the drivers to prick the heel, for thereafter actuating the drivers to drive attaching nails, for lowering the jack and moving the nail block and drivers out of attaching position and the top lift holder into attaching position, and'for again actui ating the jack tocspank on a top lift.

13. In a machine of the class described, v

the combination of a rotary carrier supporting anailflblock and top lift holder, drivers constructed to act as awls occupying passages in the nail block and movable'therey with, a ack, and mechanism for actuating the jack to press a heel againstthe nail block and for actuating the drivers to prick p: the heel, for thereafteractuatingthe drivers to drive attaching nails, for lowering the jack and rotating the carrier to movefthe nail block out of" heel-attaching position and the top lift holder into top lift-attach ing position, and for again actuatingthe jack to spank on atop lift.

so; V

14. In a machine of the class described,

the combination of a nail block mounted for lateral movement toward and from heelattaching position, drivers in said nail block,

a cross head to actuate the drivers, a weight having connection with the nail block and operated from the cross head, and means to prevent lateral movement of the nail block until the completionfoff the heel-attaching operation. w v

15. In a machine of the class described, the combination of a nail blockmountedfor lateral movement toward and fronit-heelattaching position, driver-s insaid block, a

cross head to actuate the drivers, a weight having connection with the nail block and operated from'the cross head, and a jack and actuating means constructed and ar having connection with the nail block and top lift holder and arranged to be actuated through movement of. the cross head to alternately bring said parts into operative position, and a jackand actuating means arranged to act through the work to restrain V lateral movement of the nail block and top lift holder until the completion of eachhee l-- attaching and top liftrspankin'g operation;

17. In a machine of the class-described, the combinationof a rO-taryearrier provided with a nail block and top lift holder, drivers movable'in said nailblock, a crossheadto.

actuate the drivers, weights havingconnee tion with the carrier and arranged to be actuated through movement of; the cross head to alternately bringthenailbl oekan d top lift holderinto operative-position,fand

a jack and actuating means arranged to act through the work to restrain movement of said carrier until the completion of each heel-attaching and top lift-spanking operation.

18. In a machine of the class described, the combination of a nail block and top lift holder arranged for lateral movements, drivers in said nail block, a cross head to actuate the drivers, weights having connection with the nail block and top lift holder and arranged to be actuated through movement of the cross head to alternately move said parts into operative position, and devices to lock and release said weights controlled by movement of he cross head.

19. In a machine of the class described, the combination of a nail block and top lift holder arranged for lateral movements, drivers in said nail block, a cross head to actuate the drivers, weights having connection with the nail block and top lift holder and arranged to be actuated through movement of the cross head to alternately move said parts into operative position, devices to lock and release said weights controlled by movement of the cross head, and a jack and actuating means arranged to act through the work to restrain lateral move ment of the nail block and top lift holder until the completion of each heel-attaching and top lift-spanking operation.

20. In a machine of the class described, the combination of a rotary carrier provided with a nail block and top lift holder, drivers constructed to act as awls carried by said nail block, a reciprocatory cross head to actuate the drivers, a jack, and mechanism acting automatically to raise the jack and press a heel against the nail block, to feed a top lift to its holder, to actuate the drivers first to prick the heel and then to drive attaching nails, to lower the jack and move the nail block out of alinement with the cross head and the top lift holder into alinement therewith, to again raise the jack to spank on a top lift, and to finally lower the jack and bring the machine to a stop.

21. A heel attaching machine having, in combination, a nail block having driver passages, means for supplying nails thereto, drivers constructed to act as awls occupying said passages, and actuating mechanism to cause the drivers to prick a heel, to automatically feed the nails into driving position by their upward movement, and to thereafter drive the nails.

2:2. A. heel attaching machine having, in combination, a nail block having driver passages and nail receiving recesses, drivers in said passages constructed to act as awls, and actuating mechanism to cause the drivers to prick a heel, to automatically feed the nails into driving position by their upward movement, and to thereafter drive the nails.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

SADIE E. GLIDDEN, Guardian of John E. Gladden.

Witnesses:

GEORGE H. GLIDDEN, CHESTER E. ROGERS.

'opies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.

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