US1728950A - Fastening-inserting machine - Google Patents

Description

Sept 24, 192 9 F. 1... ALLEY I FASTENING INSERTING MACHINE 2 Sheets-Sheet 1 Filed Jan. 15. 1926 Sept. 24, 1929. L. ALLEY 1,728,950

FKSTENING INSERT ING MACHINE Filed Jan. 15. 1926 2 Sheets-Sheet 2 Patented Sept. 24, 1929 UNITED STATES FREDERICK L. ALLEY, F DAYTON, 01110,

PATENT OFFICE ASSIGNOR TO UNITED SHOE MACHINERY" CORPORATION, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY FASTENING-INSERTING MACHINE Application filed January 15, 1926.

This invention relates to fastening-insert ing machines and is illustrated herein as embodied a machine particularly adapted for all-round nailing in the manufacture of boots and shoes.

Machines used for all-round nailing in the manufacture of boots and shoes, or indeed for any nailing off the last in which it is desired to clench the nails upon the insides of the 1o shoes, are commonly provided with a work support, for example a horn, having a clenching cavity in its work-engaging surface.

Such machines, while in the main satisfactory, make conspicuous markings on the ini5 soles of the shoes nailed upon them. Moreover, the clenching of the nails is not always as perfect as might be desired.

It is an object of the present invention to provide a fastening-inserting machine havao ing clenching mechanism organized to obviate the marking of the surface of the Work upon which the fastenings are clenched and at the same time to clench the fastenings in a superior manner. In the operation of the illustrated machine, this is accomplished by providing an anvil having a curved surface arranged to start the clench in a predetermined direction, after which the anvil is moved in the direction of the clench so as to bring a fiat surface beneath the end of the nail upon which the clench is completed. At the conclusion of the clenching, the anvil is forced against the nail in the direction of the length thereof so that the clenched end of the nail is a; sunk in the material of the work, the head of the nail at that time being backed up and supported by the driver of the machine. The partially clenched nail lying between the surfacerof the work and the anvil prevents objectionable marking of the work as the anvil is moved to bring its flat surface into clenching position and the subsequent movement of the anvil in the direction of the line of drive sinks the clenched end of the nail in the substance of the work. and presents a smooth surface upon the inside of the shoe.

With the above and other objects and features in view, the invention will now be described in connection with the accompanying drawings which show a machine constituting Serial No. 81,430.

a preferred embodiment of the invention, and pointed out in the accompanying claims. It should be understood, however, that the machine may be modified in various'respects within the scope of the claims without departing from the invention.

In the drawings,

Fig. 1 is a side elevation, partly in section, of nail-inserting machine embodying the present invention;

Fig. 2 is a horizontal section on the line II-II of Fig. 1; and

Figs. 3, 4 and 5 are vertical sections through the upper portion of the Work-supporting horn of the machine and a work piece carried thereby, showing three different stages in the fastening-inserting operation.

The invention illustrated herein is embodied in a fastening-inserting machine of the general type disclosedin United States Letters Patent N 0. 1,030,775, granted June 25, 1912, on an application filed in the name of George Goddu, the machine, however, being provided with work support controlling mechanism of the type illustrated in United States Letters Patent No. 1,011,941, granted December 19, 1911, on another application of said George Goddu. In describing the present invention, it is unnecessary to set forth in detail the construction and mode of operation of many of the parts of the machine, and for a full description of such parts reference may be made to said Letters Patent.

The illustrated machine is provided with a main frame or column 10 carrying at its upper end a head 12 and with a secondary column 14 carrying a work support, illustrated as a horn 16. The head 12 carries a cam shaft 18 from which the various parts of the machine are operated, Among the parts operated by cam shaft '18 are the usual Workfeeding awl, a driver 20, and the work'su-pport controlling mechanism; Thev latter, as more fully set forth in said Letters Patent No. 1,011,941, includes a spring 164 arranged, through toggle mechanism 162, 17 0 and lever mechanism 464, 468 connected to the horn shaft 22, to take up the thrust upon the work support 16 as each fastening is inserted. Pawl and ratchet mechanism 186, 190 is acranged to lock abutment 165, against which the lower end of spring 164 bears, against downward movement when toggle 162, 170 is broken by link and lever mechanism 176, 178 to relieve pressure upon the work during the feeding of the latter. In order to raise the work support to operative position, the machine is provided with a treadle 3 which is pivoted to link 480, the upper'end of which is connected at 490, by a joint permitting a limited amount of lost motion, to lever 478 fulcrumed at 47 4 to a downwardly extending fork member of lever 464. A cam 476 carried by lever 478 engages a roll 482 carried by lever 468. Lever 464, which is pivotally connected at 470 to lever 468 and at 466 to toggle memher 170, is fulcrumed upon a shaft 458 supported by column 10. Lever 468 is provided with a slot 486 through which shaft 458 passes so as to permit a limited amount of relative movement of levers 464 and 468, both the horizontal and vertical dimensions of slot 486 being greater than the diameter of shaft 458. When treadle 3 is depressed, lever 478 is rocked, causing cam 476 to lift roll 482 and lever 468, the latter rocking about pivot 470 until the work support 16 has been lifted to bring the work into engagement with the presser plate of the machine. Thereafter, lever 468 is rocked about itsconnection with the horn shaft, lever 464 rocking about its fulcrum 458, thus lifting the rear end of lever 464 and, through toggle 162, 170, which at that time is straightened, compressing spring 164.

' In the illustrated machine the horn 16 is provided at its tip with horizontal ways 24 (Figs. 3, 4 and 5) in which is mounted for sliding movement an anvil 26 provided at its left-hand end, as viewed in Figs. 3, 4 and 5, with a curved surface 28 arranged to start the clenching of the fastenings and with a flat upper surface 30 upon which the clenching is completed. Curved surface 28- is in the line of drive at the time the point of the nail breaks through the lower surface of the work as shown in Fig. 3, but immediately thereafter the anvil 26 is slid transversely of the line of drive and in the direction of the clench, to the left as illustrated, so that the clenching is completed against the flat upper surface 30 of the anvil as in Fig. 4. Mechanism for thus sliding the anvil will now be described. Mounted upon the cam shaft 18 of the machine is a bevel gear 32 meshing with a bevel gear 34 carried by a vertical shaft 36. Shaft 36, at its lower end, carries a bevel gear 38 meshin with a bevel gear 40 carried by a short sha t .42 journaled in a stationary part of the machine and connected through universal joints 44, 46 and a telescoping shaft 48 with a cam shaft 50 journaled in the lower end of a support 52 which support is mounted for sliding movement in ways 54 and in a bearing 56 carried by column 14. In the present machine the lever 468 is pivoted to the horn shaft support 52 instead of directly to the horn shaft as in said Letters Patent previously referred to. The upper portion of horn shaft support 52 is formed with an elongated bearing for the horn shaft 22, the latter being made hollow so as to house a rod 60, the lower end of which is bifurcated so as to straddle cam shaft 52. A cam roll 62 is mounted near the lower end of rod and engages a closed cam track 64 formed in a cam member fast upon shaft 50. Thus rod 60 is raised and lowered at predetermined times in the cycle of operation of the machine. Fulcrumed at 65 to horn 16 is a lever 66, one end of which is connected by a pin and slot connection 68 to the upper end of rod 60 and the other end of which is connected by a pin and slot connection to the lower end of rod 70 (Figs. 1 and 3) mounted for vertical sliding movement in horn 16. The upper end of rod 70 is connected by a pin and slot connection 72 to an inclined rod 74 also mounted for sliding movement in horn 16 and connected by a pin and slot connection 76 with a link 78 pivoted at 80 to anvil 26 and formed with a pair of horizontal guide surfaces 82, 84 bearing upon corresponding surfaces formed toward the tip of the horn. This mechanism is such that when rod 60 is lowered, rod 70 moves upwardly, rod 74 moves upwardly and to the left, as viewed in Figs. 3, 4 and 5, and link 78 moves horizontally to the left carrying anvil 26 with, it. Since roll 62 runs in a closed cam track and since the driver 20 is operated from a closed cam track, shown at 86 in Fig. 1, the movement of the anvil can be timed accurately relatively to the movement of the driver.

After the anvil has been slid to the left to the position indicated in Fig. 4 and the nail completely inserted, driver 20 is held momentarily in engagement with the head of the nail, cam track 86 being suitably formed for this purpose. At this time, before the driver is withdrawn from contact with the head of the nail, horn 16 is given a bodily upward movement so as to sink the clenched end of the nail into the substance of the work, as shown in Fig. 5. This is accomplished by a cam surface 88 formed upon a cam carried by shaft 50 and engaging the lower end of the horn shaft 22.

Since the direction of the clench, as determined in the first instance by the curvature of surface 28, continues unchanged as anvil 26 is slid to complete the clench against flat surface 30, uniform clenching of the fastenings is insured. The movement of the anvil in the direction of the clench tends to wipe the end of the nail in the direction of the clench and to prevent crippling of the nail. The partially clenched end of the nail between the surface of the work and the anvil prevents marring of the work by the anvil as the latter moves during the clenching and the subsequent movement of the anvil toward Having described the invention, What I' clalm as new and des re to secure by Letters Patent of the United; States is:

1. A fastening-inserting machine having a driver, operating means therefor, an vanvil formed with a plurality of substantially flat, stepped surfaces and arranged to control the direction of the clench of the fastenings inserted, and means for moving the anvil in the direction of the clench as a fastening is inserted.

2; A fastening-inserting machine having a driver, operating means therefor, an anvil formed with a surface shaped to determine the direction of the clench of the fastenings inserted by the driver, and mechanism for moving the anvil in the direction of the clench during bodily movement of the fastening relatively to the Work as the fastening is driven into the work.

3. A fastening-inserting machine having a driver, operating means therefor, an anvil having a lurality of substantially flat, stepped sur aces shaped to control the direction of the clenching of the fastenings inserted by the driver, and mechanism for sliding the anvil in the direction of the clench as a fastening is inserted after the clenching has been started.

4;. A fastening-inserting machine having a driver, a cam arranged to reciprocate the driver, an anvil formed with a surface shaped to control in a predetermined direction the clench of the fastenings inserted by the driver, and cam-operated mechanism for sliding the anvil in the direction of the clench While the fastening is being driven into the work.

5. A machine, for inserting fastenings in boots and shoes, having a Work support comprising a horn, a fastening-clenching anvil slidably mounted at the tip of the horn, and means for sliding the anvil transversely of the line of drive as each fastening is clenched.

6. A machine, for inserting fastenings in boots and shoes, having a horn, an anvil mounted for sliding movement at the tip of the horn, and mechanism housed within the born for moving the anvil transversely of the line of drive of the fastenings at a predetermined time in the cycle of operation of the machine.

7 A fastening-inserting machine having a horn shaft, a horn carried thereby, a fastening-clenching anvil movably carried thereby, a cam shaft, a cam carried by said shaft, and connections between the anvil and said cam arranged to move the anvil transversely of the line: of drive as the-driving of each fastenin is completed.

8. A fastening-inserting machine having a work support comprising a horn, a fastening-clenching anvil slidably mounted at the tip of the horn, and means including connections housed within the horn for movingthe anvil transverselyofthe line of drive as the fastenings are clenched.

9. A fastening-inserting machine having a horn shaft, a horn carriedthereby, a. fastenlng-clenching anvil mounted: for sliding movement at the tip of the horn, a support for the horn shaft movable in the direction of thel'ength. of said shaft, a cam shaft carr ried by said support, a cam carried by said shaft, and connections between the anvil. and

said cam arranged. to slide the anvil transverselyofi the line of drive as the driving of each fasteningis completed.

10. A fastening-inserting machine having a driver, operating means therefor, an anvil provided wit-h afiat clenching surface, and

means for Inovingthe anvil in one direction to begin the clench of the fastening and in a second direction lying at right angles to the first to complete the clench.

11'. A fasteningdnsertingmachine-having a driver, operatingmeans therefor, an anvil having a concave surface arranged to start in a'predetermined direction the-clenching of:

a fastening inserted by'the driver-anda flat surface adjacent thereto, andmeansfor moving the anvilitransversely of the line of drive and in thevdirection of the clench after the clenching of a fasten-ing hasbeen started,

and While the driver isengaged indriving the fastening, to bringthe flat surface of'the anvil:

into contact with thepartially clenched fastening so that the clenching is continued against said: flat surface.

12. A fastening-inserting machine having a driver, operating means therefor, ashoesupportinghorn, an anvil supported by said the clench after the clenching of; a fastening has been started'by said curved surface thereby bringi'ngthe flat surfaceof the anvil into contact with the partially clenched fastening so that the clenching is continuedvagainst said flat surface;

13. A fastening-inserting machinehaving a driver, a cam-arranged to reciprocate the driver, an anvilprovided with a flat clenching: surface, and means for simultaneously hol ding the-driverstationary againstthe head of the nail and. moving the anvil toward the driver after a fastening has been clenchedto sink the clenched end of the fastening-'inthe Work: i

14-. A fastening-inserting machine having a driver, a cam arranged to reciprocate the driver and to hold the driver momentarily stationary in contact with the head of the fastening after the fastening has been driven, an anvil arranged to clench the fastening, and

' means for moving the anvil toward the driver while the driver is held stationary in contact with the head of the nail to sink the clenched end of the fastening in the work after the fastening has been driven.

15. A fastening-inserting machine having a driver, operating means therefor, an anvil formed with a surface shaped to control the direction of the clenching of the fastenings inserted by the driver, mechanism for moving the anvil transversely of the line of drive and in the direction of the clench as a fastening is inserted but after the clenching has been started, and means for moving the anvil toward the driver at the conclusion of the clenching of each fastening.

16. A fastening-inserting machine having a driver, a cam arranged to reciprocate the driver and to hold the driver momentarily stationary in contact with the head of the fastening after the fastening has been driven, an anvil arranged to clench the fastening, and cam-operated mechanism for moving the anvil toward the driver to sink the clenched end of the fastening in the work after the fastening has been driven'but before the driver is withdrawn from contact with the head of the fastening.

17. A fastening-inserting machine having a horn shaft, a horn carried thereby, a fastening-clenching anvil movably carried by the horn, a support for the horn shaft, a cam shaft carried by said support, a cam carried by said shaft, connections between the anvil and said cam arranged to move the anvil transversely of the line of drive as the driving of each fastening is completed, and a second cam carried by said cam shaft and arranged to move the horn shaft, the horn and the anvil toward the driver at the conclusion of the driving movements thereof to sink the clenched ends of the fastenings in the work.

18. A fastening-inserting machine having a horn shaft, a horn carried thereby, a fastening-clenching anvil mounted for sliding movement at the tip of the horn, a support for the horn shaft movable in the direction of the length of said shaft, a cam shaft carried by said support, a cam carried by said shaft, connections between the anvil and said cam arranged to slide the anvil transversely of the line of drive as the driving of each fastening is completed, and asecond cam carried by said cam shaft and arranged to move the horn shaft, the horn and the anvil toward the driver at the conclusion of the driving movements thereof to sink the clenched ends of the fastenings in the Work.

19. A fastening-inserting machine having a horn shaft, a horn carried thereby, a fastening-clenching anvil mounted for sliding movement at the tip of the horn, a support for the horn shaftmovable in the direction of the length of said shaft, a cam carried bv said support, a shaft having a bearing in a fixed part of the machine, flexible connections operatively connecting said last named shaft and said cam shaft, a cam carried by said cam shaft, and connections between the anvil and said cam arranged to slide the anvil transversely of the line of drive as the driving of each fastening is completed.

20. A fastening-inserting machine having a horn shaft, a horn carried thereby, a fastening-clenching anvil movably carried by the horn, a support for the horn shaft movable in the direction of the length of said shaft, a cam shaft carried by said support, a shaft having a bearing in a stationary part of the machine, flexible connections operative- 1y connectin said last named shaft and said cam shaft, a cam carried by said cam shaft, connectionsbetween the anvil andsaid cam arranged to move the anvil transversely of the line of drive as the driving of each fastening is completed, and a second cam carried by said cam shaft and arranged to move the horn shaft, the horn and the anvil toward the driver at the conclusion of each driving s'iovement thereof to sink the clenched ends of the fastenings in the work.

In testimony whereof I have signed my 7 name to this specification.

FREDERICK L. ALLEY.

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