US1947769A - Fastening-supplying apparatus - Google Patents

Description

Feb. 20, 1934. F. 1.. M KENZlE FASTENING SUPPLYING APPARATUS Filed Feb. 14. 1950 4 Sheets-Sheet 1 Ill "Emmi H Feb. 20, 1934. L MacKENZIE 1,947,769

FASTENING SUPPLYING APPARATUS Filed Feb. 14, 1950 4 Sheets-Sheet 2 Feb. 20, 1934. F. L. M KENZlE FASTENING SUPPLYING APPARATUS Filed Feb. 14. 1930 4 Sheets-Sheet 5 Feb. 20, 1934. F MacKENZlE 1,947,769

FASTENING SUPPLYING APPARATUS Filed Feb. 14, 1930 4 Sheets-Sheet 4 Fig: 4*. D

Patented Feb. 20, 1934 STATES PATENT OFFICE FASTENING-SUPPLYING APPARATUS Application February 14,

37 Claims.

This invention relates to fastening-supplying apparatus, and particularly to that adapted to deliver nails to machines which are to insert them in work. A machine of this character is disclosed in the application for Letters Patent of the United States filed in the name of John F. Standish on March 14, 1927 and bearing the Serial No. 175,251, this being for the purpose of attaching heels to shoes by inside nailing. This application, on

March 14, 1927, became Letters Patent No. 1,847,-

274 and No. 1,847,275.

An object of the invention is to render easy, in a novel manner, changes at the distributor or other source of supply of the fastenings employed. This may be both as to size or length of the fastenings and as to the number making up the load or group inserted at each operation of the machine. To this end, controlling means for fastenings supplied by a receptacle movable to discharge said fastenings when there is to be a change of length, an example of such controlling means being the nail-separator associated with a raceway or the latch for said separator, are normally free from their actuating means, but are carried by the movement of the receptacle into position to receive the actuating efiect. The receptacle has both the fastening-discharging movement just mentioned, which may be about a pivot, and a normal delivering movement for supplying the fastenings. I provide an actuating shaft for this last-mentioned movement, the axis of said shaft coinciding with the pivotal axis of the receptacle. With gearing connecting such a shaft and a driven fastening-controlling memher, as the fastening-supplying receptacle or a fastening-arranging rake-wheel, the nail-discharging movement of the receptacle may be produced without disturbing the driving cone nections. The operator is thus entirely relieved 4.0 of the burden of disconnecting and restoring connections when the fastenings are changed.

To allow unimpeded rearward movement of the fastenings when the receptacle is emptied, I separate the shelf upon which the receptacle deposits the fastenings from the raceway which it supplies, so a space is left through which free passage of the fastenings may occur. In altering the numberof nails delivered by the raceways, a slide having a fastening-retaining member is movable at the lower extremity of each of plural raceways, each slide having a cam by which it is rcciprocated to vary the groups of raceways delivering the fastenings. Claims generic to such control of the nails have been presented in an application for Letters Patent of the United 1930. Serial No. 428,529

States, filed February 1, 1930, Serial No. 425,265, in the names of George Goddu and Fred L. Mac- Kenzie'. Other improvements which I have applied to the distributing portion of the apparatus involve means for retaining the tilting receptacle in a plurality of definite positions, and the association with means by which the fastenings are separated from the raceway or raceways of fastoning-reversing means for causing the separated fastenings to be delivered for insertion in a relation opposite to that in which they are delivered from the receptacle.

A further object of the invention is to insure accurate delivery of the fastenings, as from such a controlling member. as a separator which is to release them to enter tubes or conduits, or from a controlling member, as a retaining shutter, which frees them at the opposite extremities of the conduits. I attain this object by making the delivery dependent upon the operation of the machine supplied, means for operating upon the work governing the delivery-controlling member or members. As a consequence of this, a second load cannot be supplied at either of the controlling points unless the machine has been operated and the previously-delivered load utilized. I also guard against the delivery of fastenings before the loading device which is to effect their transfer is in the correct position to receive them. This I may effect by combining with conduits which deliver fastenings to the loading or transferring device a retaining member for said fastenings, with which member cooperates means whereby the conduits are held closed, save in a predetermined position of the transferring device or when said device is correctly alined with the conduits. This phase of the invention is disclosed in an application filed in my name in the United States Patent Ofiice on June 7, 1932, Serial No. 615,834.

In the accompanying drawings, a particular embodiment of this invention is illustrated.

Fig. 1 of said drawings shows my improved fastening-supplying apparatus in front elevation, only the more essential elements of the associated heel-attaching machine appearing;

Fig. 2 is a broken side elevation looking from the right in Fig. 1;

Fig. 3 is an enlarged vertical section on the line IIIIII of Fig. 1;

Fig. 4 is a broken front elevation of the lower portion of the raceways of the two distributors of the apparatus, with certain of the supporting and actuating elements; and Fig. 5 illustrates, in enlarged broken side elevation, the delivery-controlling means associated with the raceways.

Of the Standish apparatus previously mentioned is shown only a frame 10, a work-support or jack 12 containing the drivers or nail-inserting mechanism and tubes or vertical passages to which nails are to be supplied, and an upper abutment 14, by which pressure is applied to a heel resting upon the heel-seat of a jacked shoe to resist the driving force applied to the nails. Preliminary pressure is impressed through the abutment upon the work by connections 16 to a treadle 18, depression of which treadle also starts the machine in operation. Thereupon, side- rods 20, 20 drawn down under the power of the machine, place upon the work final pressure through connections 22.

Nails or other fastenings to be inserted by the machine are contained in one or more drums or receptacles 24, forming a part of distributing means D and mounted at the top of the frame 10. Two opposite drums and their associated nail-distributing elements are shown, these permitting the simultaneous supply of nails of different length, or those otherwise differing in character. The arrangement of these drums is similar, so generally but one will be described. Each drum is mounted upon a support 26 arranged to turn about a spindle 28 carried horizontally at one side of the top of the frame, said drum being rotatable about a horizontal spindle 30 projecting outwardly from the support. In the rotation of the drum, buckets 32 raise nails from the contained mass and drop them upon shelves 34 having converging walls, each pair of walls leading to a raceway 36 inclined inwardly and downwardly, there being as many of the raceways as the maximum number of nails to be delivered. The raceways are preferably furnished by pairs of bars spaced from one another so they may convey nails hanging by their heads upon the upper edges of the bars, with the shanks depending between them. As is best shown at the left of Fig. 1, each raceway extends beneath its shelf and is spaced therefrom at 38. When the drum is tipped outwardly about the pivot-spindle 28 to discharge its contents, the series of nails resting in each raceway passes beneath the shelf and is freely discharged from the raceway-end without interference with its movement. To prevent clogging of the raceways, there extends across them a shaft 40 journaled in the support and having secured to it, above each raceway, a rakewheel 42, the teeth of which act to dislodge crossed nails or those which are located above their normal positions. Spiral gearing 44 joins the shaft 40 to a shaft 46 journaled at right angles to it in the support, this shaft 46 carrying a pinion 56 meshing with gear-teeth 52 formed about the drum and serving to rotate the latter. To drive the shaft 40, it is united by sprocketgearing 54 to a shaft 56, the axis of which is alined with the pivot-spindle 28 of the support 26. Spiral gearing 57 and a chain of spur-geari n g 58 join the shaft 56 to a shaft 60, the latter being, in turn, connected by belt-gearing 62 with one of the shafts of the heeling machine to be supplied with nails. On account of the coincidence of the axes of the shaft 56 and spindle 28, the support 26 may be turned about its pivot without altering the relation of the driving ele ments for the rake-Wheels or drum. Means is provided for fixing the support, and therefore the drum, in any one of three positions. This is accomplished by a spring-pressed pin 63 movable horizontally in the frame and arranged to enter selectively three depressions 64 formed in the support. With the pin in the depression at the right of the right-hand series in Fig. 1 of the drawings, the nail-distributor is in its normal or operating position. Here it may be secured by a screw 65 rotatable in the support and engaging a threaded opening in the frame. The pin being withdrawn and the distributor tilted outwardly and downwardly by turning the support about the spindle 28, the drum is brought to its nail-discharging position with the raceways inclined to discharge through the drum. Here the distributor may be secured by the entrance of the pin into the depression at the extreme left. With the pin in the intermediate depression, the raceways are substantially horizontal, a relation convenient for the inspection and adjustment of the apparatus. To cushion the distributor at its extremes of movement, both in the normal and naildischarging positions, it has depending from and pivoted to it a rod 65 passing through an opening in a bracket 66 projecting from the frame. Surrounding the rod above and below the brackets are springs 67, the outer extremities of which abut against cups 68 carried by the rod. When the distributor is tilted back about its pivot, the lower spring 67 comes into contact with the bracket 66, and sufficiently resists the movement to prevent undue shock. When the distributor is returned to its normal position, the upper spring opposes the movement with a slim ilar efiect.

From the raceways 36, the delivery of nails in loads having the number required for each heelattaching operation is controlled by a movable separator-plate 69 (Figs. 8 and 5) provided with an inclined nail-receiving slot '70 co-operating with each raceway. The plate is mounted for horizontal movement upon a carrier '72 arranged to reciprocate transversely of the support 26. The carrier is caused to give the plate its nailinc ics

separating movement by a spring '74 interposed between the carrier and frame. To compress the spring in preparation for this action, there contacts with a surface 15 at one extremity of the carrier an adjustable screw 76 threaded through an arm 78 projecting from a shaft 80, there being one of these arms upon the shaft for each of the two distributors illustrated. Secured to the shaft 80 is an arm 82 joined by a rod 84 to a lever 86 fulcrumed upon the frame 10. The lever 86 is acted upon by a cam 88 rotated intermittently by a shaft 89 in a manner which will later be described. A spring 91 surrounding the rod 84 maintains engagement of the lever with the cam. The carrier is held temporarily against the force of the spring 74, ready for the delivery of the nails, by a spring-actuated latch 90 pivment of the plate 69 and, as the screw leaves the 1' carrier, it permits the plate to move for a certain distance, under the influence of the spring, to pick off a load of nails from the raceways; but before the separating movement is completed, the latch 90 arrests the carrier and plate, holding the separated load ready for delivery. This delivery is effected when, in the descent of the side-rod 20 upon the application of pressure by the abutment 14 to the work supported upon the.

69 and 90, respectively, of the distributor which receive actuation, there is no positive connection, the elements upon the distributor being entirely free to move into and out of alinement with the actuating screws 76 and 94. Consequently, when the nails are to be discharged from a drum, the operator is burdened with no special act of disconnection.

For the attachment of different heels, the number of nails in a load may vary. I therefore provide for stopping the flow of nails through certain of the raceways in different combinations. Referring to Figs. 4 and 5, there is guided at the lower extremity of each of plural raceways of each distributor D a slide 98, having projecting from it, toward the raceway-slot, a retaining finger 100, which may be flexible. Fulcrumed below each raceway is a lever 102, a lateral projection 104 from which enters a depression in the corresponding slide. A spring 106 acts to turn each lever in a clockwise direction (Fig. 5) to normally maintain the slide lowered from the raceway, with its finger clear of the separatorplate 69 and with the lower extremity of the lever against the periphery of a cam 198, which is one of a series fast upon a shaft 110 rotatable upon the support 26. The cams are arranged about the shaft in different angular positions, so that, for different rotary adjustments of the shaft, various combinations of slides will either have their fingers clear of the slots in the separator-plates, or will be forced up by the springs 105 to push the nails out of the slots into the raceways and retain them, with the series in said raceways, against descent. To enable the operator to select the desired groups of active raceways under the control of the cams, the shaft 110 has fast upon one end an arm 112 carrying a spring-pressed pin 114, so disposed as to be capable of entering any one of a series of indexopenings 116 about the margin of a plate 118 secured to the support. .By engagement of the pin with each of these openings, a different group of cams will be rendered effective, and the delivery of a different number of nails from the raceways provided for. Because of the freeing of the separator-slots from nails when the retaining fingers 100 are operated, all the nails of a previously-employed .group are disposed of when a change of number is made, and, similarly, all nails not delivered are discharged through the drum when this is tilted back for a change of its contents. 7

While the nails fall from the separator-plate with their points down, they are to be so delivered to the jack 12 that they will'be driven upwardly into the work. To reverse the nails after they leave the separator, there is situated below a conduit-section 128 (Fig. 3), guiding the nails from each raceway, a rotary receiver 130 provided with a pocket by which the falling nails are caught. The series of receivers for the entire set of raceways is mounted upon a shaft 132 rotatable at the lower forward portion of the support 26. Normally, the mouths of the pockets are alined with the conduits 128. They are reversed to discharge the nails points-up by a connection to the shaft 80, this action occurring at the same time the separator-spring 74 is compressed. The shaft carries, near its center, two gear-segments or sections 131-, 131 secured to each other; by a slot-and-screw connection 133, by which the relation between the teeth of the two segments may be adjusted and maintained. The segmentteeth are located between and mesh with opposite pinions 135, 135 fast upon the shafts 132, 132 of the respective distributors D, D. At one side, the segments abut against a collar 134 (Fig. 4) fast upon the shaft 80, being pressed intoengagement with it by a spring 136 surrounding the shaft and compressed between one of the segments and a second collar 138. Upon each reversing shaft 132 is a projection 140, which, in the rotation of the shaft, comes into contact with either of two- stop screws 142, 142 threaded vertically into the support 26. When the projection engages one of these screws, the mouths of the receivers 13s are turned upward beneath the conduits 128, ready to receive'the nails from the raceways. With the projection against the other stop, the receivers are reversed to deliver the nails. By virtue of the frictional connection between the shaft and segments, produced by the force of the spring 136, the extent of movement of the shaft may be greater than that necessary to cause the contact of the projection with the screws, without injury tothe elements.

The reversed nails from the receivers 130 fall into tubes or conduits 150 leading from a head bar 152 to a foot-plate 154 (Fig. 3). At the footplate, their descent is temporarily arrested by a shutter or retaining member 156 arranged to slide horizontally. In the shutter is a set of openings which may register with the tube-openings of the foot-plate or may be carried to one side, so the body of the shutter closes said tubes. The latter relation cuts off communication between these tubes 150 and tubes 158 of a separable holder or mug 160. The lower ends of the tubes 158 are arranged in accordance with a particular nailing design corresponding to that in which the nails are to be inserted at the jack 12. Between a receiving position beneath the tubes 158 and a delivering position above the jack 12 moves a loaderblock or transferring member 162 mounted upon a horizontally reciprocatory carrier-bar 164.

Meshing with rack-teeth 166 upon the under side by sprocket-gearing 1'74 and spur-gearing 176 from the shaft 60 (Fig. 2).

When the operator throws a lever 178, the clutch mechanism reverses the rotation of the pinion 168, so the loader-block is carried from beneath the tubes 158 over the jack to its nail-delivering position. A stop-screw 180 upon the carrier-bar limits the travel in this direction by engagement with a portion of the holder 160. The manner in which the pinion 168 is oppositely rotated to produce this travel of the loader-block is not a part of this invention and is 1 therefore not described. An organization suitable for the purpose is disclosed in the application filed October 24, 1924, in the United States Patent Office in the name of John M. Benjamin and bearing the Serial No. 745,684, this having on December 23, 1930, become Letters Patent No. 1,785,928. From the shutter 156 is shown a projection 182 engaged by a bell-crank actuating lever 184, a spring 185 exerting its force upon said lever to urge the shutter 156 to an open position. A latching lever 186 is normally held by a spring 188, joined to an arm 192 of said latching lever, beneath a horizontal arm of the lever 184 to so retain the shutter against the action of the spring 185 that the foot-plate-openings remain closed. The latch is withdrawn, to allow the actuating lever to open the shutter, by a projection 190 on one of the side-rods 20, which projection contacts with the latch arm 192 as the side-roddescends in the application of pressure to the work. At all times other than when the loader-block is in the nail-receiving position of Fig. 3, the actuating lever 184 is locked against shutter-operating movement by contact of the outer extremity of its horizontal arm with the upper surface of the carrier-bar 164, but when the loader-block-openings register with the tubes 158, the end ofthe lever can enter a depression194 in the carrierbar, so upon tripping the latch 186, the spring 185 is free to shift the shutter and permit the nails to fall from the tubes 150 through its openings into the loader-block.

To outline the operation of the means for controlling the delivery of nails from the raceways 36 to the jack 12, normally, during the operation of the machine, a cycle will start with a load of nails in the reversing receivers 130 and another load in the block 162. First, the operator throws the lever 178. The lever. 184 has been resting under the influence of the spring 185 after the previous operation, with the end of its horizontal arm in the loader-bar-depression 194, the shutter 156 being open. As soon as the forward movement of the loader-bar, driven by the gear 168, begins, the depression 194 leaves the lever and the upper surface of the bar swings the lever 184 anticlockwise (Fig. 3) to close the shutter 156. This permits the latch 186 to be drawn beneath the end of the lever 184 by the spring 188. Then through movement communicated from the shaft 89 through the cam 88, lever 86, rod 84, arm 82, shaft 80, arm 78, contact-screw 76 and carrier '72, there is imparted to the separator-plate 69 its preliminary movement to pick off a load of nails, the plate-carrier '72 being latched at 90, so these nails are not delivered. Simultaneously with this nail-separating movement, the receivers 130 are turned by the segments 131 to deposit the load of reversed nails which they contain through the tubes 150 upon the closed shutter 156. When the loader-block has reached the jack, a loaderblock-shutter 200, which may be of any desired form, is tripped, and the nails supported thereby are delivered to the driver-passages of the jack. Upon this, the bar 164 moves back to its normal position with the loader-block beneath the tubes 158 to receive the succeeding load of nails. The operator depresses the treadle 18, pressure is applied to the jacked work by the abutment 14 as a result of the downward movement of the rods 20, and the one carrying the projections 94 and 190 makes these effective, so that the first trips the latch 90 by contact with the lever 92. This frees the separator-plate 69, and the nails previously picked off and held by the plate fall into the reversing receivers 130. The rod-projection 190, striking the arm 192, tilts the latch 186 from beneath the lever 184. The depression 194 is now vertically alined with the end of the lever, and the spring 185 moves said lever to shift the shutter 156 to its open position, so the nails previously delivered by the reversing member fall from it. The drivers rise in the jack and insert the nails, which the loader-block has previously delivered to the die-block, through the heel-seat of the jacked shoe into the heel to be attached. This completes the cycle. It will be seen that, until the machine has been treadled, and therefore the nails driven from the jack, there can neither be a delivery from the raceways nor from the loaderblock, since a part dependent for its movement on the depression of the treadle both releases the separator-plate 68 and the shutter 156 to cause such delivery. Moreover, said loaderblock must be properly alined with the tubes 158 for the reception of the nails, since the shutter 156 cannot be opened until the depression 194 is beneath the end of the actuating lever 184. As a consequence of these relations, it is impossible to cause the delivery of a double load of nails, either from the separator-plate into the reversing receivers, or from the foot-plate-shutter into the loader-block. The latter being true, double delivery to the jack is also prevented. Then, since the foot-plate-shutter is positively locked against delivery at all times other than when the loader-block is in the correct receiving position, the discharge of a load of nails outside the machine is prevented.

Having described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. In a fastening-supplying apparatus, a frame, a support pivoted upon the frame, a receptacle movable upon the support, a raceway leading from the receptacle, a fastening-separator movable in co-operation with the raceway and having a contact-surface, a spring co-operating with the separator, means movable on the support for temporarily maintaining the spring energized but ineffective, and energizing means for the spring movable upon the frame, said energizing means being free to move into and out of engagement with the contact-surface of the separator.

2. In a fastening-supplying apparatus, a frame, a support pivoted upon the frame, a receptacle movable upon the support, a raceway leading from the receptacle, a fastening-separator movable in co-operation with the raceway and having a contact-surface, a spring cooperating with the separator, a latch movable upon the support and arranged to retain the separator against the force of the spring, and a member movable upon the frame into engagement with the latch but being normally free from connection to said latch.

3. In a fastening-supplying apparatus, a frame, a support pivoted upon the frame, a receptacle movable upon the support, a raceway leading from the receptacle, a fastening-separator movable in co-operation with the raceway and having a contact-surface, a spring cooperating with the separator, a latch movable upon the support and arranged to retain the separator against the force of the spring, and a lever fulcrumed upon the frame for movement into and out of actuating free to move into and out of engagement with the contact-surface of the separator, a latch movable upon the support and arranged tofretain the separator against the force of the springi and a member movable upon the frame into engagement with the latch but being normally free from connection with said latch. g

5. In a nail-distributor, the combination with a frame, of a support pivoted thereon, a nailreceptacle rotatable upon the support, a raceway leading from the receptacle, a movable nail-controlling member co-operating with the raceway, an actuating shaft having its axis coinciding with that of the support-pivot, and gearing'connecting the actuating shaft and controlling member.

6. In a nail-distributor, the combination with a frame, of a support pivoted thereon, a nailreceptacle rotatable upon the support, a raceway leading from the receptacle, ashaft rotatable upon the support above theraceway, a rakewheel carried by the shaft andco-operating with the raceway, an actuating shaft having its axis coinciding with that of the support-pivot, and gearing connecting the actuating shaftand rake:

wheel shaft. a

7. In a fastening-supplying apparatus, a rotatable fastening-receptacle, a raceway inclined downwardly from the receptacle, a support upon which the receptacleis rotatable, said support being movably mounted to permit the fastenings to be emptied rearwardly from the raceway, and a shelf upon which the fastenings are deposited from the receptacle at the upper extremity'of the raceway, said shelf being elevated above the raceway to furnish a space through which the fastenings may pass from the raceway below the shelf.

8. In a fastening-supplying apparatus, a plurality of inclined raceways, a movable separatorplate having a fastening-receiving slot co-operating with each raceway, a slide'movable at the lower'extremity of each raceway, a fasteningretaining finger mounted upon each slide and extending above the corresponding raceway, a shaft extending beneaththe raceways, an actuating member carried by the shaft for each. of the raceways, and connections between the actuating members and corresponding slides,

9. In a fastening-supplying apparatua'a plurality of inclined raceways, a slide movable at the lower extremity of each 'raceway a fastenretaining member mounted upon each slide, a shaft extending beneath theraceways, an actuating member carried by the shaft for each of the slides, and levers extending upwardly from the shaft and connecting said actuating members and corresponding slides. V

10. In a fastening-supplying apparatus, a plurality of inclined raceways, a slide movable at the lower extremity of each raceway, a fasteningretaining member mounted upon each slide, a shaft extending beneath the raceways, series of cams fixedto the shaft, and a lever acted upon by each cam and extending at one side of the corresponding slide, each lever having a lateral projection engaging said slide.

11. In a fastening-supplying apparatus, a plurality of raceways, a fastening-separator having fastening-receiving slots co-operating with the raceways, a member co-operating with each raceway, eachof said members being movable between a position in which it leaves its raceways free and a position in which it pushes back a fastening from within the separator slot and holds it and the succeeding fastenings in the raceway against delivery, and means arranged to position simultaneously aplurality of the retaining members.

12. In a nail-distributor, a plurality of raceways, a reoiprocatory separator-plate having fastening-receiving slots co-operating with the raceways, a nail-stop co-cperating with each raceway adjacent to the separator-plate, each of said stops being movable between an ineffective position in which it leaves its raceway free and an effective position in which it pushes back a nail out of the slot in the plate and holds it and the succeeding nails against travel along the raceway, andmeans arranged to move the Stops in different groups respectively comprising difierent stops in'their eifective positions.

13. In a nail-distributor, the combination with a frame, of a support pivoted thereon, a nailreceptacle rotatable upon the support, a raceway leading from the receptacle and being inclined downwardly and forwardly in operating position and downwardly and rearwardly for the discharge of the nails from the receptacle, and retaining means carried by the frame and support and arranged to hold said support against movement upon its pivot in operating and discharging positions of the receptacle and raceways and in an intermediate position.

14.1In a fastening-supplying apparatus, a seriesof raceways. arranged to supportfastenings hanging by their heads, a separator-plate movable across the raceways and provided with a fastening-receiving slot for each raceway, a rotatable fastening-reversing device having below each plate-slot a pocket by which fastenings are received from said plate, a rotatable shaft, and connections to the shaft acting simultaneously to move the plate to separate a load of fastenings from the raceways and to rotate the reversing device to deliver an inverted load of fastenings therefrom. a

15. In a nail-supplying apparatus, a series of raceways each arranged to support nails hanging by their heads, a separator-plate movable across the raceways and provided with a nailreceiving slot co-operating with each raceway, a rotatable nail-reversing device having below each plate-slot a pocket by which nails are received from said plate, a rotatable shaft provided with a projection arranged to move the plate to separate a load of nails from the raceways, and gearing'connecting the shaft and nail-reversing device to deliver simultaneously therefrom an inverted load of nails.

16. In a fastening-supplying apparatus, 01) posite fastening-receptacles, a raceway leading from each receptacle toward the opposite receptacle, a movable fastening-delivering member associated with each raceway, the delivering members of opposite raceways being adjacent to each other, a gear for moving each of the opposite members, and a member situated between the gears and provided with teeth engaged by each of said. gears.

17. In a fastening-supplying apparatus, opposite fastening-receptacles, a raceway leading from each receptacle toward. the opposite receptacle, a movable fastening-delivering member associated with each raceway, the delivering members of opposite raceways being adjacent to each other, a gear for moving each of the opposite members, a member formed in relatively movable sections, each section being provided with teeth engaging one of said gears, and means arranged to vary the relation of the sections to each other;

18. In a fastening-supplying apparatus, opposite fastening-receptacles, a raceway leading from each receptacle toward the opposite receptacle, a movable fastening-delivering member associated with each raceway, the delivering members of opposite raceways being adjacent to each other, a gear for moving each of the opposite members, a rotatable shaft, a gear-segment rotatable by the shaft and meshing with each gear, and a slot-and-screw connection between the segments.

19. In a nail-supplying apparatus, a raceway, a rotatable reversing device receiving nails from the raceway, a stop arranged to determine the position of the reversing device, and driving connections for the device arranged to yield after the reversing device has been brought to rest by the stop.

20. In a nail-supplying apparatus, a raceway, a nail-separator co-operating therewith, a rotatable reversing device to which the separator delivers, opposite stops arranged to determine the position of the reversing device, yieldable driving connections for the device, and means arranged to vary the position of the stops.

21. In a nail-supplying apparatus, a raceway, a nail-separator co-operating therewith, a rotatable reversing device to which the separator delivers, a stop arranged to determine the position of the reversing device, a driving shaft, 00-' operating gearing carried by the shaft and reversing device, and yieldable connections between the shaft and gearing.

22. In a nail-supplying apparatus, a raceway, a nail-separator co-operating therewith, a rotatable reversing device to which the separator delivers, opposite contact-screws arranged to limit the movement of the reversing device, and yieldable driving connections for the device.

23. In a fastening-inserting machine, operating means movable to act upon the work, a distributor supplying fastenings for insertion in the Work, a member movable to control the delivery of fastenings in successive loads, means acting under the power of the machine to move the member in one direction, and means movable by the operating means for governing the movement of the delivery-controlling member in the opposite direction.

24. In a fastening-inserting machine, a worksupport, operating means movable to act upon the supported work, a fastening-distributor, conduits for delivering fastenings from the distributor for insertion in the work, a separator controlling the delivery of fastenings from the distributor to the conduits, means acting under the power of the machine for moving the separator in preparation for the delivery of nails, and means movable by the operating means for governing the separator in its fastening-delivering movement.

25. In a fastening-inserting machine, a worksupport, operating means movable to act upon the supported work, a fastening-distributor, conduits for delivering fastenings from the distributor for insertion in the work, a shutter controlling the delivery of nails from the conduits, and means movable by the operating means for governing the shutter.

26. In a fastening-inserting machine, a worksupport, operating means movable to act upon the supported work, a fastening-distributor, cond u its for delivering fastenings from the distributor for insertion in the work, a separator controlling the delivery of fastenings from the distributor to the conduits, a shutter controlling the delivery of nails from the conduits, and means movable by the operating means for governing the separator and shutter.

27. In a heel-nailing machine, a jack, pressure mechanism including side-rods and co-operating with the jack, a nail-distributor supplying nails for insertion in the jacked work, a reciprocatory separator-plate controlling the delivery of nails from the distributor, a spring imparting movement to the plate, a latch for the plate, and releasing means for the latch carried by a siderod.

28. In a heel-nailing machine, a jack, pressure mechanism including side-rods and co-operating with the jack, a nail-distributor supplying nails for insertion in the jacked work, nail-tubes leading from the distributor, a shutter controlling the delivery of nails from the tubes, 2. spring imparting movement to the shutter, a latch for the shutter, and releasing means for the latch carried by a side-rod.

29. In a heel-nailing machine, a jack, pressure mechanism including side-rods and co-operating with the jack, a nail-distributor supplying nails for insertion in the jacked work, nail-tubes leading from the distributor, a reciprocatory separater-plate controlling the delivery of nails from the distributor, a spring imparting to the plate its separating movement, a latch for the plate, a shutter controlling the delivery of nails from the tubes, a spring imparting movement to the shutter, a latch for the shutter, and projections from a side-rod arranged to release the latches.

30. In a fastening-inserting machine, a worksupport, operating means movable to act upon the supported work, a fastening-distributor, conduits for delivering fastenings from the distributor for insertion in the work, a shutter controlling the delivery of fastenings from the conduits, loading mechanism movable between the conduits and the work-support, means movable by the loading mechanism for governing the shutter, and means movable by the operating means for governing the shutter.

31. In a heel-nailing machine, a jack, pressure mechanism including side-rods and co-operating with the jack, a nail-distributor supplying nails for insertion in the jacked work, nail-tubes leading from the distributor, a shutter controlling the delivery of nails from the tubes, a spring imparting movement to the shutter, a latch for the shutter, a loader-block movable between the nailtubes and the jack, means movable with the loader-block for permitting movement of the latch only at a predetermined time in the travel of the block, and releasing means for the latch carried by a side-rod.

32. In a nail-supplying apparatus, a nail-distributor, nail-transferring means, nail-conduits connecting the distributor and transferring means, nail-controlling members movable at both ends of the conduits, and a movable member having means for governing both controlling members.

33. In a fastening-supplying apparatus, a fastening-distributor, a fastening-transferring device movable from a receiving position at the distributor to a delivering position, a fasteningretaining member interposed between the distributor and transferring device, conduits leading from the distributor and controlled by the retaining member, and means movable with the transferring device for holding the conduits closed by the retaining device except in a predetermined position of said transferring device.

34. In a nail supplying apparatus, a nail-158 distributor, a loader-block arranged for movement from a nail-receiving position at the distributor to a delivering position, a' reciprocatory carrier-bar upon which the loader-block is mounted, a nail-tube leading from the distributor, a shutter controlling the delivery of nails from the tube to the loader-block, and an actuating member for the shutter, said member being held against movement by the carrier-bar except in the receiving position of the loader-block.

35. In a nail-supplying apparatus, a naildistributor, a loader-block arranged for movement from a nail-receiving position at the distributor to a delivering position, a reciprocatory carrier-bar upon which the loader-block is mounted, a nail-tube leading from the distributor, a shutter controlling the delivery of nails from the tube to the loader-block, and a lever arranged to move the shutter and limited in its movement by a surface of the carrier-bar, there being a depression in said surface arranged to receive a portion of the lever when the loaderblock is alined with the tube.

36. In a fastening-supplying apparatus, a fastening-distributor, transferring means receiving fastenings therefrom, a movable fastening-controlling member located between the distributor and transferring means, and means movable with the transferring means and arranged to lock the controlling member against movement except at a predetermined point in the travel of said transferring means.

37. In a fastening-inserting machine, operating means movable to act upon the work, a distributor supplying fastenings for insertion in the work, a member movable to control the delivery of fastenings in successive loads, means for transferring said loads, means movable by the operating means for governing the delivery-controlling member, and means movable with the transferring member for governing the delivery-controlling member.

FRED L. MACKENZIE.

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