Improvements in Heel Nailing Apparatus for the Manufacture of Boots and Shoes.
Year: 1897

page_text: Date of Application, 5th Oct., 1897-Accepted, 15th Jan., 1898
COMPLETE SPECIFICATION.
Improvements in Heel Nailing Apparatus for the Manufacture of
Boots and Shoes.
I, FRANK FORRESTER STANLEY, of Swampscott, in the County of Essex and State of
Massachusetts, United States of America, Manufacturer, do hereby declare the nature
of this invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
This invention has for its object the production of an apparatus wherein a series of
nails are fed or conveyed directly from suitable distributing mechanism to a nailing
block, from which they are driven into the heel of a boot or shoe mounted upon a
suitable support, to attach the heel.
The nailing block forms also one member of a heel compressing mechanism by
which the heel is compressed just prior to the insertion of the nails therein.
The apparatus is arranged in such manner that while one set of nails is being driven
into a heel, a new set will move into position ready to enter the nailing block upon
withdrawal of the drivers, so that at every complete cycle of operation of the
apparatus, the work support will be moved to bring the heel into position, a set of
nails will be driven into the heel, attaching it to the shoe, and a fresh set of nails
will be presented in readiness to be driven into the next heel.
"
Fig. 1 in side elevation and partially in section, represents a heel nailing apparatus,
embodying the invention;
Fig. 1 is an enlarged sectional detail of the lower part of the jack spindle and
lock;
Fig. 1 is an enlarged detail in side elevation of the mechanism for effecting the
novement of the work-support to compress the heel ;
Fig. 2 is a top or plan view of the apparatus shown in Fig. 1 on a larger
scale;
Fig. 3 is a vertical sectional view of the upper part of the apparatus taken
on the line x-x, Fig. 2;
Fig. 4 is an underside view of the nail distributing mechanism;
Fig. 5 is an enlarged view of the nail transferrer, to be described;
Figs. 6 and 7 are perspective views of details of the transferrer;
Fig. 8 is a detail, partly in section and in elevation and broken out to save
space on the line x¹, Fig. 1, looking to the right, of the starting and stopping
mechanism for the apparatus ;
Fig. 9 is a side elevation of the main controlling clutch cam, shown in section
in Fig. 8;
Fig. 10 is a top or plan view of the nail guide block;
Fig. 11 is an enlarged vertical sectional view of the throat of one of the
nail delivery tubes or passages;
Fig. 12 is an enlarged vertical sectional view of one of the nail detents, locat edin
the nail block, and
Fig. 12 is a lower end view of the detent shown in Fig. 12;
Fig. 13 is a partial side elevation of the nail transferring mechanism, the members
shown in Figs 6 and 7 being partly omitted.

page_text: Fig. 14 is a transverse sectional view of the transferring mechanism taken on the
Inex, Figs 2 and 13, looking up;
Figs. 15 and 16 are perspective details of the transferring mechanism shown in
Figs. 3 and 13;
Fig. 17 is a plan view of the nail carrier controlling cam;
Figs. 18, 19 and 20 are enlarged views in side and end elevation and plan,
respectively, of the positioning device for the shoe to insure its proper presentation
to the nailing mechanism."
The main frame of the apparatus comprises a suitable base A, an upright hollow
column A¹, and brace A² of suitable shape to provide bearings for the operating
parts of the mechanism, the main frame being provided with bearings A³, A+, for
the main driving shaft B, on which is loosely mounted the sleeve-like hub B¹ of a
driving pulley 132, adapted to be continuously rotated from any suitable source of
power, said sleeve extending through the bearing A4 and having at its inner end a
clutch lug by to co-operate, at times, with a lug c, see dotted lines Fig. 8 and full
lines Fig. 9, on the movable member C of the main clutch member feathered on the
main shaft by a suitable spline, as bi, Fig. 8.
The clutch member C is annularly grooved at c, to engage the notched end of a
spring controlled plunger c¹, Fig. 1, longitudinally movable in a recess a* in the
bearing A³, and normally pressed to the right, Fig. 1, by a suitable spring s, tending to
bring the two clutch members into engagement.
The bearing As is laterally extended to form an ear a¹, forming a bearing for a
slide dag d pivotted at its lower end to a lever d¹ fulcrumed in the frame at d² and
connected by a link d³ to a controlling treadle D, the outer end of the treadle and
also the dog being normally lifted by means of a spring s¹.
The dog is adapted to engage a preferably notched stop c² on the periphery of the
clutch member C, as best shown in Fig. 9, to act as a stop and prevent rotation of
the said member and the driving shaft B.
When, however, the dog is withdrawn by depression of the treadle D, the spring s
moves the clutch member C to bring its lug ex into engagement with the co-operating
lug bx on the hub of the driving pulley B² to cause rotation of the shaft, and the
shaft will rotate until the cam surface of the clutch member engages the dog d
and moves the said clutch member laterally into unclutched position, as the stop c²
brings up against the dog.
It is necessary to provide means to automatically and positively move the dog into
operative position, after the machine has been started, so that if the operator should
continue to bear upon the treadle D, no injury will result to the apparatus, and for
this purpose a locking slide is mounted on the main frame below the dog and
adjacent the end of its supporting lever d', as best shown in Fig. 8, the said slide
having a depression d therein which is brought beneath the dog just before the
completion of a complete cycle of operation of the apparatus, so that the operator may
thereafter release the clutch member for the next cycle.
By mechanism which will be hereinafter described, the slide d is moved in the
direction of the arrow 5, Fig. 8, immediately after the clutch has been released by the
dog, to bring the main portion of the slide beneath and to prevent depression of the
dog.
Upon the head of the main frame, is mounted a nail distributing apparatus,
comprising a base plate E, having an upturned flange E¹, on the exterior of
which are mounted a series of rotatable hoppers H, the bell mouths h of which
communicate with openings E2 in the flange, each hopper being provided with a
bevel gear * in mesh with an intermediate gear h¹, see Fig. 2, the hoppers being
arrangel symmetrically about the centre of the base plate E, and with one of the
gears h' between and in mesh with the gears * of adjacent hoppers.
The cylindrical hoppers H herein shown are of suitable construction, and herein
they are shown as provided with interior lifting wedges h², see Fig. 3, to raise the
nails from the mass of nails in the lower part of the hopper, as it rotates, and to drop
them onto the upper ends of suitable raceways h³ which extend from within the

page_text: hoppers through their mouths and the openings E2 to the transferring mechanism,
as clearly shown in Figs. 2 and 3.
The nails, which herein are hea lel, will, as they are thrown onto the raceways,
hang with their bodies suspended between the walls of the raceway, the nail heads
resting and sliding along the inclined tops of the said walls and descending by,
gravity to the inner ends of the raceways.
Fach raceway passes through the slotted bottom of a gaard h' attached to the
wall El about the opening E2 and a swinging gate his pitel above the girl ht
and notched at its lower end, as at h', Fig. 3, to straddle the raveway, said gate being
adapted to swing freely in the guard 4.
As the nails pass down the raceway, the gate engages their heads successively and.
retards and tips up the head of each nail sufficiently to cause it, when released, to
overlap the head of the nail next helow it in the raceway to thereby bring the nails,
into proper position to be engaged by the transferring mechanism, to be described.
Should any nails he improperly positioned in the raceway, the gate will engage and
brush them off into the guard ', whence they will be returned to the interior of
the hopper.
One of the hoppers, as shown at the right hand side of Fig. 3, is provided with a
shaft H mounted in a suitable bearing a² on a standard A at the top of the main
frame, said shaft having fast thereon a gear H in mesh with a smaller gear H³ rigidly
secured to a large gear H+ loose on a shaft F, mounted in bearings a³, at, of the main.
frame, the bearing a forming a part of a ring-like laterally extended arm A, on
which, by suitable posts, as Ex, the distributing mechanism is mounted.
Rotation of the gear H2 imparts uniform rotation to the series of hoppers H by
means of the gears h* and h¹.
A gear H fast on a short shaft G is in mesh with the gear H, the shaft being
rotatably mounted in a suitable bearing' and having secured to it a suitable sheave
or pulley G driven, as herein shown, by a belt or band G around a sheave B fast on
the hub B of the main driving pulley B.
It will thus be seen that the hoppers are rotated continuously and entirely
independently of the operation of the remainder of the apparatus.
The transferrer mechanism is operated by the shaft F, said shaft having longitu-
dinally mounted thereon a clutch member and rotatable therewith by means of a
suitable spline f, the clutch member being normally moved to the left, Fig. 3, by a
spring s surrounding the shaft and intermediate a flange or collar F thereou and the
clutch member.
A series of lugs or teeth f on the inner side of the clutch member F' are adapted
to at times co-operate with corresponding teeth 18 on the gear H+, whereby at snch
time the transferrer actuating shaft F will be rotated.
A locking dog f¹ moved into operative position by a spring s3, Fig. 3, is pivottally.
connected to a bell crank lever f/3, pivotted at f', on the main frame and having a
cam face f to be engaged, as will be described, by a pin 10 to withdraw the dog f¹
from and to permit the movement of the clutch member F¹ into operative position.
The said clutch member has a cam face F3, see dotted lines Fig. 3, to engage the
dog fi after the latter has returned to norinal position to thereby disengage the
clutch member F1 from the gear ht as a stop lug f", see Fig. 1, brings up against
the locking dog f1, to thus bring the transferring mechanism to a stop.
The base plate E is provided with an upturned central hub E3 and at its underside
a larger depending hub E, partially shown in Fig. 13 and in horizontal section
Fig. 14.
The hub E is reduced in diameter to leave an annular shoulder 2 against which
bears the upper end of a gear ring e, provided with a spur gear e¹ and a bevel gear,
as best shown in Figs. 3 and 13, the gear ring being maintained in place on the hub
by a retaining ring e³, shown separately in Fig. 16, securely attached by suitable
screws to the lower end of the hub Et.
The retaining ring supports upon it an oscillating nail distributer, shown as a
cylindrical block g having a laterally extended base g' to fit snugly within the hub E',

page_text: the said block g having a series of vertical nail receiving pockets g² therein, to the
lower ends of which pockets are secured in suitable manner the mouths of a series of
flexible nail tubes g*.
The upper end of the body g of the nail distributer is cut away, as at g³, Fig. 15,
exposing the upper ends of the pockets g².
Referring to Fig. 6, one member of the transferrer mechanism is shown as a
cylinder having an annular flange ¹, cut away at k² for a purpose to be described,
and secured by suitable screws passed through the flange to the bottom of the
hub Es, as shown in Fig. 3, the cylinder / having a series of peripheral vertical
nailpockets * and between each two pockets the cylinder is notched or recessed, as
at 3, for a purpose to be described.
The flange k¹ serves to support a nail carrier, shown as a ring m concentric to the
cylinder and having a series of vertical slots m¹ therein and horizontal slots m²
(see Fig. 13) intersecting the vertical slots, the latter corresponding in numbers to
the pockets in the receiver k, as shown best in Fig. 5.
The carrier m is adapted to be oscillated between the receiver k and the interior
of the hub Es, the lower ends of the nail chutes or guideways h³ extending through
said hub to the outer circumference of the carrier as best shown in Fig. 2, there
being one raceway or chute for each vertical slot m¹ of the carrier.
A let-off mechanism is movably mounted on the stationary receiver k of the
transferring mechanism and consists, as best shown in Fig. 7, of a hub n having a
series of curved fingers n¹ extended in a horizontal plane from the outer ends of
arms n² attached to the top of the hub by suitable screws, as u*, the arms, as shown
in Fig. 5, entering loosely the slots ³ of the stationary member, so that the let-off
may have a slight oscillating movement relatively to said member, the curved
fingers entering the slots m² of the carrier.
The movement of the transferring mechanism is effected by suitable devices to
be described, such movement effecting the transfer of a nail from each of the
raceways to a slot m¹ in the carrier and from said carrier into the pockets * of the
stationary receiver of the. transferring mechanism, and as is yet to be described,
the nails are delivered from said stationary receiver to the pockets g² of the nail
distributer, the latter having given to it a step by step movement to receive a
plurality of sets of nails before it is fully loaded, its pockets being a multiple of the
number of pockets in the receiver.
Supposing the parts to be in the position shown in Figs. 2 and 5, the first
movement of the let-off is in the direction of the arrow 15 to partially close the
slots m and at the same time retain the remaining nails in the raceways, after
which the carrier m and the let-off are moved oppositely to the arrow 15 to bring
the slots m¹ opposite the mouths of the pockets k*, and as the carrier is moved
a little further than the let-off, the inclined face n³ on the inner side of each
finger n of the let-off will act against the nail in the adjacent slot m¹ and snap it
quickly into the pocket x, at such time, the head of the nail hitting against the
outwardly bevelled overhanging edge of a cap 20, see Fig. 3, which is mounted on
the hub n of the let-off.
The actuating shaft F for the transferrer mechanism has fast thereon a bevel
gear fin mesh with and to rotate the bevel gear e² formed on the ring e, such
rotation by or through the spur gear e¹ rotating a smaller gear o fast on a shaft o in
a suitable bracket Es depending from the base plate E, said shaft having at its lower
end a cam o², shown in plan in Fig. 4, the periphery of said cam having two throw
portions 3 and 4 and a rest portion 05, to be engaged by a suitable roller or other
stud o rotatably mounted on a foot o", suitably secured to the base flange g¹ of the
nail distributer, as clearly shown in Fig. 15.
A springs, fast at one end to the ring e³, is attached at its other end to the
foot of to move the roll against the cam 02 and also to return the nail distributer to
normal position, after complete rotation of the cam.
Referring to Fig. 16, it will be seen that the ring e³ is cut away at e30 to permit the

page_text: oscillation of the nail distributer, the ends of said cut away portion acting as stops to
limit such movement.
The cam o2 is rotated in the direction of the arrow 35, Fig. 4, and as the roll passes
from the dwell portion o³ to the rise o³, the nail distributer will be partially rotated in
the direction of the arrow 36, and it will be moved a still further distance in the same
direction when the roll is engaged by the rise o' of still greater radius, the latter
giving the nail distributer its greatest movement.
As the roll leaves the rise of, the spring s quickly returns the distributer to normal
position, as shown in Fig. 4, so that herein there are three successive positions
assumed by the nail distributer for each complete rotation of the controlling cam o².
The nail carrier m is provided with a laterally extended arm m*, Figs. 13 and 14,
on which is mounted a roll m³ to be engaged by the arms 3 of a cam m³, shown in
plan Fig. 17, fast on the shaft o¹, the sides of the arms acting to gradually move the
nail carrier in one direction and to dwell while the roll is engaged by the end of the
arm, and when the roll leaves the end of the arm, a spring fixed at one end and
attached at its other end to the lever m* quickly returns the nail carrier at the
position shown in Figs. 2 and 5.
The nail carrier is herein shown as having six nail receiving slots m² and the
co-operating stationary receiver k has a like number of pockets * into which the nails
are noved, as has been described, while the nail distributer, shown separately in
Fig. 15, has eighteen nail receiving pockets, and therefore it is necessary, in order to
completely load the distributer tubes g* to transfer three sets of nails from the
carrier thereto.
This is effected by the cam of which is rotated to move the nail distributer into its
second position before the first set of nails is moved from the carrier m into the
pockets, such nails passing from the pockets into six of the pockets g² of the
distributer below them and thence to their tubes g*.
The continued movement of the cam o² carries the distributer to its third position
at the time the second load of nails is ready to be transferred thereto from the
pockets, and the distributer will have returned to its first position, shown in
Fig. 4, in time to receive the third load of nails from the carrier, six of the
pockets g² of the distributer, as herein shown, receiving nails at each of said
movements thereof.
Inasmuch as the nail carrier m must be oscillated three times for each complete
rotation of the cam o², the cam m is provided with three of the arms 3, each arm
acting to move it in one direction, the spring & returning it thereafter.
Referring to Figs. 2, 5, and 7, the let-off mechanism has one of its arms n
extended beyond its finger n³, as at 10, said arm and the let-off mechanism being
retained in normal position by a suitable spring 810, see Fig. 2, the arm being located
in the path of a tappet cam 12 fast on a shaft n¹s rotatable in the plate E, said shaft
below the plate having secured to it a pinion n¹, see Figs. 4 and 14, in mesh with
the gear e¹ and rotated thereby in the direction of the arrow 37.
At each rotation of the shaft n13 the tappet cam 12 will engage the arm n¹º,
moving it and the let-off, as a whole, in the direction of the arrow 39, Fig. 5, to
cause the fingers n¹ to partially cover up the openings m¹ in the carrier, and at the
same time partially closing the lower ends of the raceways h³ to retain the remaining
nails.
As the carrier is then moved oppositely to the arrow 39, the portions of the carrier
between the slots m¹ are brought opposite to the ends of and close the raceways about
the time that the tappet cam releases the let-off.
The spring so immediately returns the latter to its normal position, bringing the
fingers into proper relation with the nail pockets k* of the receiver, so that as the
nails are brought opposite the openings of said pockets by the continued movement
of the carrier, the inclined faces n³ of the fingers will act upon and remove the nails
from the carrier into the pockets of the receiver.
The nails, as they are loaded into the distributor, will pass therefrom down the
flexible tubes gx to the throat pieces 98, one of which is shown enlarged and in

page_text: section in Fig. 11, and through the nail block guide NX into the nail block N below
it, each throat piece having a branch portion secured to the lower end of its
delivery tube gx and opening into the driver passage g₁ of the throat, the lower ends
of the throats extending into suitable holes in the nail block guide arranged in a
line substantially corresponding to the shape of the heel to be nailed.
The nail block N has therein a series of holes, one of which, as 10, is shown in
Fig. 3, registering with the holes in the guide block and the upper portion of each
hole n¹ is enlarged to receive therein a detent, shown as a short tube n
longitudinally slotted at 13 to leave a series of spring or yielding fingers 14, two of
which. as best shown in Fig. 12ª, are bent in toward the centre to contract the
lower end of the tube.
When the nails pass from the nail guide block into the nail block N, the
fingers n will act to slant or tip the nail towards the centre of the heel and thè
yielding portion n' will grasp the body of the nail and prevent it from dropping out
of the nail block.
The straight or unbent portion of the detent tube rests on the shoulder " of the
hole in the nail block, the smaller portion of the hole n° and the interior of
the detent tube forming a continuation-one of the other to afford no obstruction to
the passage of the nail.
The nail block and nail guide block are mounted in a suitable holder A, forming
a part of the frame, the nail block being held in place in usual manner.
The nail drivers are mounted in a driver block or plate Nz secured to a cross
head N3 rigidly secured to a vertically reciprocating plunger N' having bearings in
the coluinn A¹ and provided with a suitable spline 17 to prevent rotation of the
plunger.
The pin 10, to control the elbow lever fa for the clutch member F, is shown as
mounted on the cross head N³.
-
The lower end of the plunger N below its bearing A, see Fig. 1, has pivoted
thereto a pitman N° connected at its lower end to a wrist or crank pin N carried by
the main driving shaft B, whereby rotation of the latter will reciprocate the plunger,
each descent of the plunger moving the drivers n down through the driver
openings go of the throats 9" and into the nail block to drive the nails held therein
into the heel and shoe.
When the drivers are depressed, they will close the outlet of the branches g of the
nail delivery throats, so that the nails next to be driven cannot pass into the nail
guide block until the drivers are withdrawn on the up stroke of the plunger.
A slide block is mounted to be vertically moved in a guide A¹ secured to or
forming part of the column A, said slide block having screwed thereinto from its
lower end an eyebolt 71, pivotted to one member or link 2 of a toggle, the other
link being fulcrumed at 74 on the main frame and joined at to the member 12.
The latter member has a roll 6 thereon at the inside of the joint to be engaged by
a cam block R fast on the plunger N', as best shown in Figs. 1 and 1B, said cam block
having a downwardly inclined face to act upon the roll and gradually straighten
the toggle as the plunger descends, thereby gradually raising the slide block r which
carries the work-support.
The links 2 and 3 are provided, as best shown in Fig. 1B, with co-operating
stops 8 and 7 to engage with each other when the toggle is straightened, the vertical
face of the cam block R maintaining the toggle straightened while the plunger
completes its downward movement, the timing of the cam being such that the toggle
will be fully straightened before the drivers begin to drive the nails into the heel.
The foot, below the cam face 77, acts upon the roll 7 and breaks the toggle as
the plunger ascends.
A screw t is threaded into the upper end of the slide block 7, said screw having a
head circular for a portion of its periphery and provided with a plurality of
depressions, one or other of which receives a locking ball pressed towards the
screw head by a spring s², Fig. 1ª, held by a suitable retaining screw t" in a tubular

page_text: holder secured to or forming part of the jack spindle J, which is bifurcated at its
lower end to receive the head t¹ of the screw on which it is pivotted at t.
It will be obvious that the spring will force the locking ball into one or other
of the depressions x according as to whether the jack spindle is in full or dotted line
position, Fig. 1, and will hold the latter in position until positively moved therefrom.
The spindle J is adapted to carry the work supporting last J¹, as shown in Fig. 1,
and upon which the shoe is placed, the movement of the slide block r, hereinbefore
described, moving the shoe and heel support, to be described, towards the underside
of the nail block N and present the heel just before the nails are driven thereinto.
A limiting stop to on the screw head to prevents undue outward movement of the
ack spindle when it is drawn into dotted line position Fig. 1, to have a shoe moved
therefrom or placed upon it.
In Figs. 1, 18 and 19, and 20, a convenient and novel positioning device is
shown, to insure the correct presentation of the shoe to the nailing mechanism,
the apparatus herein shown being particularly adapted in nailing spring heel
shoes.
The screw head t¹ is vertically grooved at its rear side, as at t, see dotted lines
Fig. 18, to receive therein the foot v¹ of an upright v, on the upper end of which is
pivotted a disc v².
The foot v is rigidly secured to the screw head by suitable screws 21 and 22,
Fig. 19, the screw 22, passing through a boss v³, on the foot v, being provided with
a roll to run in a vertical groove 29 in the column A' and prevent undue rotation
of the work support and heel holder on the slide block.
Up turned and outwardly bent arins v' are secured to the upright v near its lower
end, as by screws 31, said armis having pivotally mounted thereon at their upper
ends at levers v pivotally connected by links us to crank pins on the disc v,
the inner ends of the levers 7 being normally separated by a spring S, surrounding
a guide rod 10 loosely extended through ears on the connecting pivots between the
links and arms.
The levers are prolonged beyond their fulcrums to form gripping fingers or
clamps having convexed portions 41, 42, at their outer and inner ends, respectively,
Fig. 20, to engage the shoe on the last or work support J at at least four points.
The portion of the clamp nearest the back of the shoe will engage only the
upper thereof, while the outer ends of the clamps may be up turned, as at 13, to
engage the sole of the shoe at or near the shank.
It will be seen that the movement of one clamp member on its fulcrum v must be
duplicated by its fellow member, owing to the equalizing connection therebetween,
made by the links and disc v2, thus preventing any crooked or improper positioning
of the shoe.
An adjustable back stop vis is mounted in the upper end of the standard v to bear
against the back of the shoe, the back stop being herein shown as a headed screw,
but any other suitable adjustable device may be used.
In order to adapt the positioning device to any sized shoe, the arms are mounted
to rock on their attaching screws 31, and they are normally drawn together by a
spring S, and equalized as to their separation by links 18 pivottally connected to a
rotatable disc 1 mounted on the lower part of the upright v.
It will be seen that whether the arms are swung in toward each other or apart,
the operation of the clamping members will be the same and that the latter will
co-operate with the shoe in any adjusted position of the supporting arms, thus'
providing for all sizes and shape of shoes.
In nailing spring heel shoes, it is desirable to insert a shorter nail at or near each
corner of the breast, and in the apparatus herein shown, one of the hoppers H is
provided with the short nails, so that three short nails will be loaded into the nail
receiver g for each complete operation of the apparatus, and inasmuch as it is only
necessary to use two of the short nails, in Fig. 1 one of the nail delivery tubes is
shown as disconnected from its throat and opening into one of the compartments
as w of a chute or receptacle W, having at its lower end a removable gate w³, the

page_text: other compartment w¹ being provided to receive the larger nails if it is desired to use
a less number of nails than there are pockets in the nail receiver.
By referring to Figs. 1 and 3, it will be seen that when the plunger Nt descends to
drive a series of nails from the nail block N, the dog f' will be withdrawn from and
release the clutch member F1, thereby causing the transferring mechanism to operate
and transfer the full number of nails from the raceways h³ to the pockets of the nail
distributer g and such of the nails as pass thence to the nail delivery tubes before the
elevation of the plunger, will be held in the branches 9 of the throat pieces by said
drivers, ready to pass into the nail block as the drivers are again brought to rest in
raised position.
The detents in the nail block prevent the nails from dropping out of it, while the
operator is placing a new shoe in position to have the heel nailed thereon.
Referring to Fig. 8, the clutch member F1 has in its circular periphery a
depression 50, and a roll 51 on the upper end of a lever 52 is held in engagement
with the periphery of said clutch member by a spring S5, Fig. 8, the said lever being
fulcrumed on the frame at 53 and joined at 54 to the locking slide d*.
During almost the entire rotation of the clutch member F, the roll 51 will be on
the high part of its periphery and will maintain the slide in locking position to
prevent depression of the dog d', but the low part 50 of the clutch member
permits the roll to enter it and to withdraw the locking slide d' at the end of each
cycle of operation of the apparatus.
By referring to Figs. 1 and 3 it will be seen that the transferring and distributing
mechanism is located substantially directly above the nail block, so that the nails
pass by the shortest and most direct route thereto.
While one convenient form of hopper is shown, and a certain number of hoppers,
the particular form of hopper or the number of hoppers may be changed, the
latter depending only on the number of nails which it is desired to drive into the
heel and also on the ratio between the number of pockets in the nail distributer and
in the nail carrier.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
1. The use in a heel nailing apparatus, of a work support, a nail block, nail
distributing mechanism, means to convey the nails directly therefrom to the
nail block, to be driven, a reciprocating plunger, a gang of nail drivers mounted
thereupon and actuated thereby, and means operated by said plunger to cause
relative movement of the work support and nail block to compress the heel on its
shoe prior to the insertion of the nails, substantially as described.
2. The use in a heel nailing apparatus, of nail distributing mechanism, a nail
block fixed relatively thereto, a nail guide block above it, having a series of
removable and adjustable branching throats, nail passages leading from the
distributing mechanism to one of the branches of each throat, and a gang of drivers
reciprocable in the other branches of the throats, to drive the nails from the nail
block into the heel, the openings of the nail passages being closed by the drivers as
the latter descend, substantially as described.
3. The use in an apparatus of the class described, of nail transferring mechanism,
comprising a movable nail distributer having nail pockets, and a series of nail tubes
connected therewith, a superposed stationary receiver having open peripheral
pockets, and a concentric nail carrier, to receive nails singly from each of a plurality
of raceways, with means to move said carrier to transfer the nails to the receiver to
pass therefrom by gravity to the distributer, and means to move the latter
successively to present a new series of pockets to receive a fresh supply of nails from
the receiver, substantially as described.
4. The use in an apparatus of the class described, of nail transferring mechanism,
comprising a stationary receiver, and a movable nail carrier, having each a like
number of nail receiving portions, and a nail distributer having a series of pockets,

page_text: a multiple of the number of nail receiving portions of the receiver, with means to
nove said carrier to transfer a set of nails to the receiver, means to move the
distributer step by step after each movement of the carrier, to present a new series
of pockets to receive the nails from the receiver, and a series of nail passages
connected to said distributer, substantially as described.
5. The use in an apparatus of the class described, of a series of raceways along
which nails pass by gravity, a common transferring mechanism, comprising a fixed
nail receiver having a series of open pockets, an oscillating carrier to take nails
singly from each of said raceways and present them to the pockets, a let-off to govern
the movement of the nails in the raceways, and means carried by said let-off, to
eject the nails from the carrier, substantially as described.
6. The use in an apparatus of the class described, of a series of raceways along
which nails pass by gravity, a common transferring mechanism, comprising a fixed
nail receiver having a series of open pockets, an oscillating carrier to take nails
singly from each of said raceways and present them to the pockets, a let-off to
govern the movement of the nails in the raceways, means to eject the nails from the
carrier, and a distributer to distribute the nails ejected into the receiver, substantially
as described.
7. The use in an apparatus of the class described, of a series of nail raceways, a
carrier to take nails singly therefrom and deposit them in a receiver, the receiver,
a distributer having a series of flexible nail tubes attached thereto, means to move
the distributer to take nails from the receiver and direct them to the tubes, and a
mail block having nail driving passages, the lower ends of said nail tubes communicating
with the passages, substantially as described.
8. The use in a heel nailing apparatus, of a nail block having a series of nail passages
provided each with a shoulder, a tube inserted in each hole and resting on the
shoulder, said tube being longitudinally slotted at its lower end to leave yielding
detent fingers to grasp the nail and retain it in the nail block till positively removed
therefrom, substantially as described.
9. The use in a heel nailing apparatus, of a nail block having a series of nail
passages provided each with a shoulder, a tube inserted in each hole and resting on
the shoulder, said tube being longitudinally slotted at its lower end to leave yielding
detent fingers, two of said detent fingers being bent inwards to contract the lower
end of the tube, said bent fingers acting to tip or slant the nail towards the centre of
the heel into which it is to be driven, substantially as described.
10. The use in an apparatus of the class described, of a rotatable hopper, its
support having an opening communicating with the hopper, a raceway having its
upper end extended through said opening into the hopper, a guard embracing said
raceway at the bottom of the opening, and a pivottally mounted gate to straddle said
raceway within the guard, to return improperly presented nails to the hopper,
substantially as described.
11. The use in an apparatus of the class described, of a rotatable hopper having an
open mouth in one side thereof, a raceway extended through the mouth of and into
the hopper, to receive the nails, the heads of the latter being supported with their
bodies depending between the walls of the raceway, and means to retard the nails
successively and tip them to cause the head of each to overlap the head of the nail
next below it, substantially as described.
12. The use in an apparatus of the class described, of a series of hoppers to receive
the nails in bulk, means to continuously rotate said hoppers, nail transferring
mechanism, to receive the nails from the hoppers, and to transfer them to a nail
block, the nail block, nail passages leading directly thereto from the transferring
mechanism, and means to operate said mechanism intermittingly, substantially as
described.
13. The use in an apparatus of the class described, of a series of hoppers to receive
the nails in bulk, means to continuously rotate said hoppers, nail transferring
mechanism, to receive the nails from the hoppers, and to transfer them to a nail
block, the nail block, nail passages leading directly thereto from the transferring

page_text: mechanism, a gang of drivers, a reciprocating plunger to actuate them, connections,
including a clutch, between the transferring mechanism and the means to rotate the
hoppers, and a clutch controller governed by movement of the plunger, whereby the
transferring mechanism is intermittingly operated, substantially as described.
14. The use in an apparatus of the class described, of a work support, a slide
block on which it is mounted, and a. toggle to raise and lower said block, with a
stationary nail block, a gang of drivers, a reciprocating plunger to actuate them, and
a cam on said plunger, to straighten the toggle and raise the work support before
the drivers drive the nails into the heel, substantially as described.
15. The use in an apparatus of the class described, of a work support, a slidė
block on which it is mounted, and a toggle to raise and lower said block, with a
stationary nail block, a gang of drivers, a reciprocating plunger to actuate them, a
cam on said plunger, having an inclined and a vertical face, to act successively upon
and to straighten the toggle, and thereafter to maintain it in such condition while
the nails are being driven, substantially as described.
16. The use in an apparatus of the class described, of a nail block, a work support,
means to move one relatively to the. other, to compress the heel of a shoe, a gang of
drivers, a reciprocating plunger on which they are mounted, and a controlling device
on said plunger, to govern the means for causing relative movement of the nail block
and work support, substantially as described.
17. The use in an apparatus of the class described, of a work support adapted to
swing in a vertical plane, a head upon which it is pivottally mounted, said head
having a partially circular periphery provided with a plurality of depressions therein,
and a spring controlled locking member carried by the work support and comprising
a spring and a locking ball adapted to enter one or other of said depressions in the
circular periphery, to maintain the work support in such position unless positively
withdrawn therefrom by bodily movement of the work support, substantially as
.described.
18. The use in an apparatus of the class described, of a work support, and a
co-operating positioning device for the work, said device comprising upturned;
separable arms, an equalizing connection' between them, separable clamping members
pivottally mounted on said arms to rock in substantially horizontal planes, to grasp
the sides of the shoe, and spring actuated equalizing connections between the clamps,
substantially as described.
19. The use in an apparatus of the class described, of a work support, and a
co-operating positioning device for the work, said device comprising pivottally
mounted laterally swinging clamping members each having two convexed portions
on their inner faces, to engage the upper of the shoe, said clamps being upturned
at their outer ends to engage the sole at or near the shank, substantially as
described.
Dated the 4th day of October 1907
WM. BROOKES & SON,
55 and 56 Chancery Lane, London, Agents for the Applicant.