US1015323A - Shoe-nailing machine. - Google Patents

Description

L. E. JOHNSON & J. OROWE.

SHOE NAILING MAUHINE. APPLICATION FILED MAR.18, 1909.

1,015,323. Patented Jan. 23, 1912.

WITN E5555:

L. E. JOHNSON & J; OROWB. SHOE NAILING MACHINE.

I APPLICATION FILED MAR.18, 1909. 1,015,323, Patented Jan 23, '1912 3 SHEETS-SHEET 2.

UL. 12., JOHNSON & J. 0R0-WE SHOE NAILING MACHINE. APPLIOATIONIILED MAR 18, 1909.

Patented Jan. 23, 1912.

a SHEETS-SHEET '3.

- 'INVE TDRS' II. J

. u livtfllr WI'TN E5555 "ciurrun STATES PA orr cu.

LAWRENCE E. JOHNSON JOHN CROWE, OF .ST. JOSEPH, MISSOURI, ASSIGNORS TO 7 SPECIALTY SHOE MACHINERY 822E001 GOMPA EY, 015 ST. JOSEPH, MISSOURI, A.

. CQRPORATION CF MIfiSOURI.

SHOE-MAILING MAGHIN-E.

Application filed March 18, 1909. Serial No. 484,114.

To all whom "it may concern.

- Be it known that we, LAWRENCE E.- JOHN- SON and JOI-lbl Crown, citizens of the United States, residing at St Joseph, in the county of Buchanan and State of Missouri, have invented certain new and useful Improvements in Shoe-Nailing Machines, of which the following is a specification.

()ur invention relates to apparatus employed in the manufacture and repair of shoes andhas particular reference to shoe nailing machines.

The paramount object of the improvethe purpose specified so designed and arranged that nails of various sizes may be used in the same apparatus withoutchanging or substituting any of the parts. Sub' sidiary to said prime object and for the purpose of accomplishing the desired result in a practical and convenient manner, we furnish the appliance with a novel and serviceable nail receptacle or hopper having a plurality of nail holding cells or pockets for containing the various sizes of nails, and group these pockets about a central pivoted support, the arrangement permit.- ting the pockets to be brought in sequence to the feeding mechanism so that the particular size of nail desired will be fed to the hammer sleeve, while all the other cells or pockets will be kept out of service until the hopper is again rotated to bring another cell into operative position.

Other objects of the invention are to provide an improved nail feeding mechanism; to furnish in connection therewith means for operating the anvil in proper sequence; and to produce the necessary locking devices for retaining the multiple hopper in proper re lation with the feeding 'channel, and in' addition to supply means for automatically clearing the feed channel of the nail or nails contained therein, when it is desired to change the size used.

Further objects of our improved nailing machine are :-to furnish novel andetiicient nail selecting meansrto provide a guard to prevent the nails from lodging or clogging in the more contracted portions of the recep-' tacle, and to arrange the cooperating parts oi the 'feed mechanism and the actuating member pothat it will be impossible to Specification of Letters Patent.

" bolts or screws 11 Patented Jan. 23, 1912.

feed two nails together to the hammer face,

as may happen in machines ofthe common type. v v

We accomplish the desired results above mentioned, and others of importance by employing the mechanism illustrated in the accompanying drawing, which forms a part of this application, and in which the important details of the entire machine,- and particularly those embodying our. novel improvementsare disclosed in the following views,

Figure 1' is a side elevation of a shoe nail- 7 ing machine incorporating all the features ments which form the subject matter of this of the invention; Figs. 2 and 3 are front and application istto provide an apparatus for side views, "respectively,- of the rocker block and rocker with attachments; Fig. 4 is an end elevation of the parts shown in Fig. 1 with the hopper and anvil removed, and some portions broken away; Fig. 5, is a top plan View of the mechanism illustrated in Fig. 1 with the hopper shown in dotted outlines; Fig. 6 is a top plan view of the multiple hopper detached from its support,

two of the pocket lids being removed, and Fig. 7 is a sectional view taken on the line 77 of Fig. 6.

Referring to the detailsof the drawing, the numeral 10 indicates an oblong bed plate or table supported upon suitable standards or. legs 11, secured to the said table by Near one end-clthe table the latter is pierced by an upright slidable anvil rod 12, supported below the table by a collar 13, fixed to one of the legs 11. Upon the upper projecting end of the anvil rod. is mounted an anvil 14, bent into a suitable curve of the-usual shape, the free end terminating in a face15.

At aboutv the middle of the table 10 is erected a mast 16, stepped at the lower end In the median line to the rear in a boss 17*. of said mast is a vertical flat bar or. plate forming a pressure head 1?, and furnished with arms 17*, 17, at the upper and lower ends respectively, which have enlargements 1 8, bored to slidably engage the said mast 16, so that the said pressurehead has a limited movement in a vertical direction. To further guide and support the head 17, the lower arm 17 extends rearwardly, and has fixed therein a stud or pin 19, which slides in and through a boss lificast with the table 10. The said pressure head isrestrained in itslovvcr positionhy-aspring 29, attached to ears 20, 20", on the head and table respectively. The said upper arm 17 of the pressurehead 17 is supplied at the end with a cylindrical boss or barrel 21, in which is re mova'bly secured the stem of a hollow sleeve 22, and through this passes the hammer body hereinafter described. The said sleeve 22 is firmlyfixed in position by means of a set screw 23. The said upper arm 17 of the pressure head 17 bears a lug or projection 24, to which is firmly fixed a rocker block 25, secured to saidprojection 24 in such a cut away forming a notch to admit the horia'ontal body of the rocker block. The part below said notch is pivotally attached to'the first portion of the rocker block by a screw 29. The upper portion of the rocker 28 is furnished with a median slot or notch 28 .which extends to the upper margin of said rocker.

The latter is supplied uponv one margin with an eye 30, to which 1s secured the upper end of a spring Wire or butter 31,

the function of which will be hereinafter disclosed. The said wire is bent at the point 32 near its upper end'and extends in a straight line to the pivot screw 29, around which it takes one .or two turns to give sufiicient resiliency, and then extends horizontally, being bent at 33 to form a hook which engages beneath a finger30 formed on the lower portion of the rocker 28. (Figs. 2

Located at one sideland slidable in a slot in the margin of the table is a driving arm and 3.)

'34, having its lower end extending below the table level and provided with a horizontel arm 34, whichterminates in a collar 35, slidably engaging the 'anvil rod 12, since this is conveniently situated to form a guide I fl grefor. A boss or lug 36 on the side of the arm forms a stop which engages the under side of the table to limit the upward niovement. A lifting lug 37 is attached to the side of the arm 34 and extends below the upper arm 17 of the pressure head 17 between that member and the mast l6, and its ofliee is to lift the pressure head when the "driving-arm is moved upwardly. The said drivingv arm 34 is operated by a rod 38, connectedin the usual manner with the operating means (not shown), and having threaded attachment With a fork or yoke 38, secured to the said arm 34 by means of a cotter pin 39. The driving arm 34 is maintained at its upper or initial position by a spring 40 attached to an ear on the hearing or collar 13, the other end being secured to the operating means in the usual manner (not shown). To the upper end of the pressure head 17 is attached an arm 40, which extends at an angle with the median line and has mounted upon the extreme end a spindle 40", said arm and spindle forming a support for a multiple nail hopper designated in its entirety by the reference numeral 41. Said hopper comprises a sleeve '42, rotatably mounted upon said spindle and formed integral with a spider consisting of arms 42 radially arranged and merging into a series of triangular receptacles or pockets 43, grouped 'mmetrically about the spider, and arranged in such relation therewith as to form a substamially rectangular structure shown best in the plan view, Fig. 6. We prefer to east the pockets and spider in. a slngle mold, forming one piece. The side walls 43 of the said pockets or cells converge toward the bottom and in the angle thus formed is milled a longitudinal slot 44, which extends to the apex of the pocket, and is open through the margin thereof. Near said apex of each pocket the.slot 44 is guarded upon each side by inclined flanges 43", and the side walls 43" of the pockets are extended forwardly and downwardly parallel with each other to form a continuation of the slot 44, termed the race-way, the extensions of the walls be ing designated by the reference characters 43, 43". The said pockets are furnished with covers or lids 45, hinged to the spider at 46, and provided with spring catches 47, their springs being shown at 47.

Upon the point or apex of each cover or lid is mounted a trip consisting of a bent lever 48, pivoted at 49 in ears 50 attached to the said lid. Between the rear end of ihe trip 48 and the lid is interposed a spring 51. which normally depresses the forward end of said trip, so that it lies in contact with the upper margins of the race- way Walls 43, 43. The object of this trip is to press upon the heads of the nails contained in the race-way at all times, except when the corresponding pocket is in operative position, and thus hold the said nails from sliding down the incline so long as that par icular raoe-wayis out of service. As Wlll be seen by reference to Fig. 1, the upper end of the rocker block 25 is rounded to form a cam face 52, which will raise the trip as the hopper is rotated and hold it elevated so that the nails may pass down freely, so long as the operative position is maintained.

It willcbe understood that the hopper is revolved ,by hand to bring the required pocket into 'iperative position, and to lock the hoppeinin such position we provide a latch member '53, pivoted a t 54 to a projec tit) misses tion on the block 25, and held in operative position by a spring 56, interposed between. the lower end of said latch member and the face of the upper end of the rocker block 25, the location of said spring being shown in Figs. 1' and 3. Upon one margin of the said. latch member isa projection 57 which extends entirely throughthe upper vertical end of said rocker block, and is so arranged as to enter the said slot 28 in the rocker 28, the relation of this member being shown in full lines in Figs. 1 and 2, and in dotted outlines in Fig. The upper end of this latch lever is provided with a lip or catch 58 which projects normally into the path of the corner-s of the hopper as it is swung upon its center, and is adapted to engage notches 58 in the outer walls of the pockets,

a portion oi? the lid being cutaway for this purpose, thus holding the hopper in operative position. To release the catch 58 the operator presses with his finger upon the lower end of the member 53 (see- Fig. 3) raising the lip or catch so that it will clear the hopper as the latter turns. The said member 53 has twofunct-ions, the locking action above described, and a nail retract ing oflice, carried out by the said projection 57, which will push out or retract a nail, if one occupies the nail slot 28 whenever the hopper is turned, restoring that nail to its proper race-way, to make room for the de sired size of nail which will enter the slot when the next pocket is brought into proper relation therewith;

A, nail duct or tube 59 (Fig. 1) extends between the horizontal portion of the rocker block and the barrel or sleeve 21, its upper end being continuous with a channel or conduit 59 formed in the vertical projection of the rocker block 25. This conduit 59 lies entirely within the block 25 throughout the lower part only of its course, the'upper portion being open to the said face 27, but is cow red to form a closed channel by the said plate or rocker 28, except when the latter is operated to bring the slot 28 to a position where it will register with said conduit..

By reference to Figs. 2 and 3 it will be seen that the projection 57 passes to one side of the conduit 59 so that it will enter the slot 28 when the latter is in its initial position.

The upper end of the pressure head 17 eX- tends in a diagonal direction to a point directly over the barrel 21, and the extremity formed into an eye or collar in which. is adjustahly mounted a hammer rod (50, secured in said collar by a set screw 60 (lonnected to the upper arm 17 of the pressure head is a'finger operating lever 61,

l i s. 1 and 5, having attached to its upper end a stud 62, which passesthrough and is pivoted in the'said armfl The projecting end of'this studio providedwith a trans;

face.

verse pin 63, projecting upwardly at an angle to be engaged by a hook 64, attached to the driving arm 34. The lower end of said lever 6.1,is bifurcated to form a fork 61, in which is pivoted the lower end of a curved nail selecting finger 65, urged by a spring 66 against an anti-friction guide roller 67, journaled in a bracket 68, secured to the upper end of: the pressure head by screws 69. A spring (51 attached atits lower *end to the said lever 61 and at its upper end to the projection Ql, tends to rock the said lever on its pivot 62, and thus pro- Pi l, which carries. said hook, as hereinbe' fore stated.

At a suitable distance above the table the operating arm 34 is provided with an angular reinforcement in which. is inounted a stop screw 70. The point of the screw projects through said-reinforcement and is adapted to engage the boss 1'? in which the mast 16 a is stepped, the upper margin of said boss being properly beveled to form an engaging Beneath the head of the stop screw 70 is placed a suitable lock springYO to pre- 'i llthe screw from working loose from the ja l d? the hammer.

The mechanical operation of the machine disclosed in the foregoing description is substantially as follows: It will be understood that the pockets of the multiple hopper will be partially filled with nails of the desired sizes, and the hopper turned until a selected pocket is locked in operative position by means of the latch 58 which will automath vcally engage the corresponding marginal notch 58. The nails will occupy the depressed portion of the pockets and as they are thrown in they will lie in various positions and some of them will fall within the slot as, being retained by the engagement of their heads with the slot margins in a manner commonly made use of in appliancesof this description. The anvil having been at? tached to its red and the work placed. there on in the ordinary way, the operator deresses the rod 38, (the means employed not eing shown in the drawing) and thus causes thedriving arm 3% to move downward. Several mechanical movements will resl'lt, synchronously and in sequence; the dc it ot the driving-arm will cause the hook til: to

release the pin 63, and this will altoi the spring 61 to act upon the lever 61 and thrust the finger 65 through the slot tithe diilection of n'lovement carrying any nails that may be suspended in the slot toward the hppcr part or apex of the pocket. Repeated thrusts of this selecting finger will soon gftill the slot with nails and the first-nails in the row will be forced into the race-way whence they will slide by gravity down the incline until they reach the rocker plate 28. If the latter is in its initial position the slot 28 will register with said race-Way and the first nail will fall into said slot, where it will remain until the rocker is moved to its second or alternate position. This movement is a'slight one just suflicient to carry the slot 28 into registration with the conduit 59 so that the nail will enter that duct and thence pass into the tube 59 and be delivered to the nailingpoint in the sleeve 22. This rocking movement of the plate 28 is caused by the Vengagen'ient of the wire 31 at the point by the end of the driving arm at the ter minationof its downward stroke, and the Y said plate or rocker '28 is restored to its first or initial position, at the end of the up stroke by the engagement of the same member with the said wire 31 near the point rocker will now receive another nail in its slot 28, when the action is repeated. Since the plate 28 is operated at the extreme end of the stroke only, in either direction, it will be impossible to feed two nails to the nailing point at the same time, for if the operator fails to bring the driving arm to the 'eXtremo limit up or down, the plate 28 will be unaffected. When the lip 58 is in engagement With the notch 58 the projection 57 retracted sufiiciently to allow the plate 28 to be rocked, but when said lip is raised to per mit the hopper to be rotated, the said projection will enter the slot 28", forcing back a the nail therein and restoring it to.its ace:

way, thus preventing the feeding of a nail of improper size. The hammer 60, being attached to the end of the driving arm descends therewith, the depth of the nail relatively to the work being regulated by the screw 70 which governs the downward limit of the driving arm. As the latter descends the lug 37 will release the pressure head 17 permitting the spring 20 to act and bringing the sleeve down firmly upon the work.

It may happen that the slot L4 in-the bottom of the pocket 43 and the race-way will be wholly or partially filled with nails and interfere with the full movement of the finger .65,'in which case it willmove onlya part of its stroke, since its actuating member is a spring. Upon the up stroke of the driving arm, the hook (it will engage the pin 63 and restore the finger 65 to the retracted position shown in Fig. 1, the lug 37 ra1se the pressure head, lifting the sleeve 22 from the work,

the raceway and the rocker so, as to clog the latter, as might happen if the nails were oilv or gummy, the end of the spring 31 will yield w The when struck by the operating member, and

prevent damage from the impact.

Having thus described our invention, what we claim is 1. In a shoe nailing machine, the combination with nail driving mechanism, of a rotatable nail hopper, a plurality of trian gular pockets in said hopper, each pocket being provided with a longitudinal slot in its bottom, a nailselecting finger arranged below said hopper, and adapted to be projected into said slot, means for projecting the fingerinto the slot, and means for retracting said finger.

2. In a shoe nailing-machine, the combination with nail driving mechanism, of a rotatable nail hopper, having a plurality of pockets, each of said pockets having a longitudinal slot in its bottom, a lever pivoted below the hopper, a nail selecting finger attached at one end to said lever, and means for operating said lever to project the finger into said slot.

3. In a shoe nailing machine, the combination with nail driving n'lcchanism and opwhen said hopper is turned.

4:. In a shoe nailing machine, the combination with nail driving mechanism includ ing a driving arm, and operative means therefor, of a rotatable hopper having a plurality of pockets, each pocket n-ovidcd with a longitudinal slot, a finger adapted to can gage said slot when the pockctis in operative position, means for operating said linger, a rocker plate having a nail slot therein, said plate being adapted to be operated by said driving arm, means for locking the hopper in each of its operative positions, and means for clearing said nail slot when the hopper is unlocked.

5. In a shoe nailing machine, the combination with nail driving mechanism including a driving arm, and operative means therefor, of a hopper having a plurality of slotted pockets, said hopper arranged so as to bring the pockets in succession to an operative position. a nail selecting finger ar-.

for clearing said nail'slot-when the hopper lock IS released.

6. In a; shoe nailing machine, the comhination with nail driving mechanism, includ ing a driving arm and operative means therefor, of nail feeding means comprising a rocker piste adapted to be operated hythe said driving arm, said plate having a nail slot therein, a conduit arranged adjacent to said plate, 3 bufi'er on said plate arranged to receive the impact of'the said driving arm, and means for clearing said nail slot.

7. In a nailing machine, including naildriving mechanism, and operative meairs therefor, the combination with a. slottednail receptacle, of s finger arranged below the receptacle and adapted to be prqect ed into stud slot, meansior operating said finger, nail feeding mechanism, comprising a rocker block,.e rocker plate pivoted on said bloclt and havmgc nail slot therein, a, nail conduit arranged adjacent to said plate, and

means-for rocking said plateso as to bring the nail slot alternately into registration Will the slot 11o. said pocket and said conduit. 8. in a ealing machine, including nail drivin mechanism and ooereti'vc means therefor, the combination with a nail receptacle hgtving a longitudinal slot therein, of mail selecting means comprising an opcrating lever, it spr ng attached to the lever,

and s linger pivoted to said lever and adapted to engage said longitudinal slot, and means for restoring said finger to its initial position,

9. In aneiling machine, the combination with nail. driving mechanism and operative means therefor, of a nail receptacle having at longitudinal slot in its bottom, a finger ar-.

ranged below the receptacle end adapted to I be projected into said slot, means for opersting said finger, a race-Way in alinement with said slot, a. rocker plate arran ed transversely to, said race wa and provided with a nail slot, a nail con nit adjacent to said plate, and means forrockingjsaid plate to bring said nail slot alternately into slice ment with said race-wary and ,thenail conduit.

10. In a nailing machine including nail driving means, the combination of arq;

tatable hopper having a plurality of nail re= said lever and adapted to be projectedthrocgh said slot, and means attached to the rciil driving arm for operating the said lever. y

In testimony whereof We aifix our signetnres in the presence oftwo Witnesses.

LAWRENCE E. JOHNSONH JOHN CROWE.

Witnesses: I

GRANT S. WATKINS, MARY C. BRAND.

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