Improvements in Machinery for Trimming the Heels of Boots and Shoes.
Year: 1889

page_text: Date of Application, 27th Aug., 1889-Accepted, 12th Oct., 1889
COMPLETE SPECIFICATION.
Improvements in Machinery for Trimming the Heels of Boots and
Shoes.
A communication from abroad by JAMES WILLSON BROOKS, of Cambridge, in the
State of Massachusetts, one of the United States of America.
I ALFRED GEORGE BROOKES of the firm of Wm. Brookes & Son of 55 & 56
Chancery Lane in the County of Middlesex, Patent Agent 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 :-
In the heel trimming machine herein to be described, the heel pattern plate against
which the tread of the heel is pressed is rotated automatically and with it the heel
and shoe while the heel is being acted upon by the blades of a rotating cutter, the
edges of which are shaped or molded to give the desired shape to the heel.
During the rotation of the heel pattern plate and heel, a cam-plate, by its rotation,
moves a swing-frame upon which are mounted certain other members having bearings
for shafts carrying not only the rotating heel trimming cutter, but also a rand-knife,
so that the said rotating cutter is, by the movement of the swing-frame, made to
travel longitudinally along the side of the heel while the cutter is acting upon the
heel from its nearly circular rear part to its breast, such longitudinal movement of the
latter aiding very materially in correctly trimming the substantially straight sides of
the heel, the cam groove in the cam wheel referred to being however of such shape
that the movement of the swing-frame to move the cutter longitudinally is suspended
or substantially so, while the cutter is acting upon the substantially circular rear part
of the heel.
In the machine herein represented embodying one form of this invention, the heel
pattern plate and heel are partially rotated in unison in one and then in an opposite
direction.
To trim the hoel the rotating cutter may first contact with the central rear part of
the heel and thereafter the heel may be rotated far enough to trim the substantially
circular rear part of the heel and bring the side of the heel uppermost under the
action of the rotating cutter and thereafter while the rotation of the heel is substantially
stopped the cutter may be moved longitudinally along the side of the heel to one
breast corner, the cutter during such movement trimming one straight side of the
heel, and thereafter the direction of rotation of the heel may
be reversed to
place the other side of the heel under the cutter while the latter is again moved
longitudinally as described to trim the other half of the heel to the other breast
corner.
By a change however in the shape of the cam referred to the trimming operation
may be commenced at one breast corner and proceed along one straight side thence
about the substantially circular rear part of the heel and then along the other sub-
stantially straight side to the other breast corner.
In my improved machine the shaft carrying the heel pattern plate oscillates in fixed
bearings in the central arm of a movable and preferably double or twin jack, the head
of which jack is free to be rotated at proper times on the foot part thereof, the said
foot part being pivoted to swing on horizontal pivots toward and from the frame-
work, the upper part of the jack holding the shoe being free to be rotated so that the
operator may by turning the jack bring into operative position with relation to the
cutter a heel connected with a shoe and to be trimmed, and at the same time while
the said heel is being trimmed the operator may remove from the jack a shoe the heel
of which has already been trimmed, replacing it by another shoe the heel of which is
to be trimmed.
The heel pattern plate is connected to a shaft having a pinion which when the jack

page_text: is in operative position is made to engage with a pinion or gear to be described
mounted on a stud in the frame-work, the said pinion being herein represented as
capable of being reciprocated by or through the action of a toothed segment actuated
by the cam plate referred to.
The molded cutter employed herein is attached to one end of a short cutter shaft
provided with a pattern guide the edge of which rests on the heel pattern plate.
The shaft carrying the molded cutter has its bearings in an irregular shaped tipping
head mounted on a rocking frame, the said rocking frame being pivoted on a swing
frame, the construction and combination of the parts being such as to enable the
tipping frame to move about an axis at right angles to the axis of rotation of the
cutter shaft carried by it, the axis or centre of motion of the said tipping frame when
the heel is being trimmed being coincident with the contact point of the heel pattern
plate with the pattern guide, the rocking frame rising and falling in accordance with
the requirements of the heel pattern plate.
Providing the tipping frame with a centre or axis of motion as described is an
essential feature of this invention.
The machine herein described is provided with means for automatically arresting
the rotation of the heel pattern-plate at the completion of the trimming of the heel,
thereby enabling the breast corner of the heel to be defined squarely, the cutter
being automatically lifted from the heel as the said cutter reaches the breast of the
heel, such movement of the cutter also enabling the jack to be readily swung away
from the machine when the heel has been fully trimmed.
The upper part or head of the jack when the heel is being trimmed is locked
to the lower or foot part by any usual or suitable locking mechanism.
My invention consists essentially in a heel trimming machine containing the following
instrumentalities, viz. :-
A jack to hold a shoe the heel of which is to be trimmed; a partially rotating heel
pattern plate to receive against it the tread end of the heel to be trimmed; a cutter
shaft; a cutter thereon to trim the body of the heel; a pattern guide carried by
the cutter shaft and bearing on the heel pattern plate; a rocking frame; and a
tipping frame adapted to move about an axis or centre located substantially at
right angles to the shaft carrying the said cutter, whereby the said frame is
always free to tip about a centre or axis coincident with the contact point
between the heel pattern plate and pattern guide, to operate, substantially as will be
described.
Also in a heel trimming machine; a jack to hold the shoe the heel of which is
to be trimmed; a rotary cutter to act upon the heel; and means to support the
cutter shaft whereby the said cutter shaft in its operations is free to tip longi-
tudinally and at the same time to be moved in the direction of the length of
the heel from the rear end to its breast as the straight side of the heel is being
trimmed.
Also a heel trimming machine containing the following instrumentalities, viz. :-
a jack to hold the shoe the heel of which is to be trimmed ; partially rotating
heel pattern plate to receive against it the tread end of the heel to be trimmed;
a cutter shaft; a cutter thereon to trim the body of the heel; a pattern guide
carried by the cutter shaft and bearing on the heel pattern plate; a rocking frame;
and a tipping frame adapted to move in a circular path about an axis or centre located
substantially at right angles to the shaft carrying the said cutter, whereby the said
frame is always free to tip or move about a centre or axis of motion coincident with
the contact point between the heel pattern plate and pattern guide; and a rand or
counterguard to enter the rand crease.
Also in a rotating cutter; a shaft to which it is attached; a tipping frame carrying
the said shaft and having its axis of motion at right angles to the said shaft; combined
with a rand or counter guard and its supports; the tipping frame in its movements
simultaneously moving the rand or counter guard to uncover more or less of the
cutting edges of the blades of the cutter, and with a rotating shaft and its attached
rand knife, substantially as will be described.

page_text: Also in a jack to support the shoe of the heel of which is to be trimmed; a rotating
cutter; a shaft to which it is attached; a tipping frame carrying the said shaft and
pivoted to move about an axis at right angles to the axis of rotation of the said cutter
shaft; and a swing frame; and means to connect it to the frame carrying the cutter
shaft; combined with a pattern cam to move the said swing frame intermittingly to
canse the cutter shaft and its attached cutter to be automatically moved horizontally
while the sides of the heel are being trimmed.
Also in a rotating cutter; a shaft to which it is attached; a tipping frame carrying
the said shaft and having its axis of motion at right angles to the said shaft ; combined
with a rand or counter guard and its supports; the tipping frame in its movements
simultaneously moving the rand or counter guard to uncover more or less of the
cutting edges of the blades of the cutter.
Also in a heel trimming machine; the swing-frame C, the pattern-cam; means to
rotate the said pattern cam; and connections between the said cam and frame to
automatically swing the same.
Also in a rocking frame D; and its connected link; combined with a cam to
move the said link and lift the said frame to remove the cutter from contact with the
heel.
and
Also in a heel trimming machine having a rotary cutter; a pivoted jack; a heel
pattern plate against which to hold the tread of the heel being trimmed; gears
to rotate the said pattern plate, the movement of the jack to reinove a shoe heel from
contact with the cutter disengaging the said gearing.
Also, a heel trimming cutter and a tipping frame having an arm or extension;
combined with a carriage and attached rand or counter guard, the said arm serving
to operate the said carriage.
Also in a heel trimming machine, a rotating heel trimming cutter; its shaft and
a frame to support the shaft; combined with a double or twin jack, the head of the
jack rotating upon a vertical axis while the foot of the jack is free to tip toward and
from the cutter upon a horizontal axis.
Fig. 1 is a left hand side elevation of a heel trimming machine embodying my
invention, the pulleys and belt shown at the right of Fig. 8 being omitted, the teeth
on the worm gear 108 and the gear teeth on the cam 118 being omitted, but they are
shown clearly in Fig. 8.
Fig. 2 a detail showing the rear end of the rocking frame.
Fig. 3, is a sectional detail showing a portion of the rocking frame and a portion of
the swing frame carrying the shaft and bearings upon which the rocking frame is
pivoted, the said Figure also showing in section the axis or centre of motion pivot of
the tipping frame containing the cutter shaft and cutter to be described the said axis
being therein shown as a pin or stud.
Figs. 4 to 7, show details of a clutch mechanism to be described.
Fig. 8, is a front elevation of the machine shown in Fig. 1, but with the pulleys
and belt which were omitted from Fig. 1, added, the main upper part of the twin jack
being broken off, the said Figure showing however as in place a part of the shaft a³
which is shown in its supports in Fig. 9, and also the pattern plate a², part of the
shaft a and part of a heel h and shoe ', the plate and heel being however somewhat
exaggerated.
Fig. 9, is a detail showing the upper end of the twin jack broken off from Fig. 8
the parts carried by it, and a portion of the foot part of the jack together with one
form of locking device.
Fig. 10, a detail showing the sector, parts actuated by it to reciprocate or oscillate
the pattern plate a² and the pattern guide and the shaft carrying it, the said shaft also
in practice carrying the rotary cutter, the gear ² being partially broken out to show
gear a of like size behind it.
the
Fig. 11, shows the lowering lever.
Fig. 12, shows in front view and side elevation the rand guard, the carriage to
which it is attached, and the rand knife and its shaft.

page_text: Fig. 13, shows in two views the guide for the carriage to which is secured the rand
or counter guard.
Fig. 14, shows the rear side of the link, 137, and
Fig. 15, a rear side view of the cam 118 to show its groove 134.
The wind trunk A rising from the blower-case or shell A' and having secured to it
a stand or foot A2 constitutes practically the frame-work of the machine. The blower
case contains suitable sleeve-like bearings for the main shaft A3 of the machine, the
same being shown as broken off at the left in Fig. 8, it being however understood that
the said shaft will in practice contain any usual belt or other pulley by or through
which the shaft A³ may be driven by power.
The frame-work referred to has bolted to it a suitable stand A* having ears in which
are inserted suitable pointed studs as A which constitute pivot bearings for the foot
part A of the jack-spindle A³, the upper end of the said spindle being provided with
a pin or stud, as represented by dotted lines in Fig. 9, to receive upon it the head of
the double or twin jack B, it having, as herein represented, arms B', B¹, and a central
arm B
The head of the jack is free to be rotated about the stud B³, and in practice the
said head will have a locking device which may be a latch 300 to lock it in position
with relation to the part A of the jack while a heel is being trimmed.
The central arm B* of the head of the jack has in practice bearings for th reception
of two like short shafts a, see Fig. 9, each provided at one end with a pinion a¹, and
with a heel pattern plate a³, see Figs. 1, and 10, the latter figure showing one of the
said shafts, its heet pattern plate its actuating gear- and the pattern guide, the heel
pattern plate corresponding in shape with the tread of the heel to be trimmed.
Herein the heel to be trimmed is marked by the letter h, and the shoe ½³, they
being but partially shown in Fig. 8.
The heel may be of any usual size or shape.
Each arm B of the jack has in its upper end a suitable clamping rod or spindle
as a³ to enter the shoe, press against the inner sole thereof, and force the tread end of
the heel against the heel pattern plate a².
The heel pattern plate described has imparted to it a partial rotation in one and
then in an opposite direction for the gear a¹ on the shaft a, when the jack is in
operative position, is engaged by a gear a', see Figs. 8 and 10, secured to a rotating
shaft having bearings at r on the frame-work, the said shaft as herein shown having
a second like gear the teeth of which are engaged by the teeth of a toothed
sector a20 pivoted at one end as at a 10, see dotted lines Fig. 1, to the frame, and
having at its inner side a roller or other stud 147, see Fig. 10, and also dotted lines
Fig. 1, which enters a cam groove 134, see Fig. 15. and shown also by dotted lines
Fig. 1, at the right hand side of the cam wheel or plate 118, to be described, mounted
to rotate about a fixed stud 139 extending from the frame-work.
The sleeve-like ends of the bearings A31 in which the main shaft A³ rotates, serve
as pivots for the swing-frame C which is provided at its upper end with sleeve-like
bushings, see Figs. 1 and 3, which are preferably held adjustably in split ends of
the frame by grip screws d.
These bushings d¹, serve as the pivots for the rocking frame D, it having an over-
hanging arm best shown in Fig. 1, a forwardly extended arm D, and a grooved
part D2 which is so shaped as to leave a space D³ for the reception of a pulley d
secured to the shaft d³, see Fig. 3 the said pulley d² receiving over it a driving
belt shown as crossed, see Fig. 1 the said belt being extended about the pulley et
fast on and to rotate the cutter shaft e³.
The shaft A3 has fast on it a belt pulley do which receives upon it a belt ³ which
is extended over a belt pulley fast on and by which belt the shaft d³ is
rotated.
The shaft d³ has a belt or cord pulley & fast upon it, see Fig. 3, which through a
belt ds, see Fig. 8 extended over a pulley d fast on the shaft do, shown enlarged in
Fig. 12, and carrying the rand knife do rotates the said shaft do in its bearings in a

page_text: carriage ¹³, see Figs. 8 and 12, the said carriage having at its opposite sides rolls or
studs which enter guide slots d, see Fig. 13, in a carriage-guide composed
essentially of two like parallel arms d16, the said guide being adjustably attached by a
set nut d¹ on a stud 18, shown enlarged in Fig. 13, of a block d made adjustable
horizontally on a guide portion of the arm D by a screw 2, the rotation of the
said screw enabling the rand knife d20 to be placed in proper position with relation
to the moulded cutter n according to the thickness of the heel.
The carriage d¹³ has at each side a roller or other stude which enters a slot as e
in an arm e² securely bolted to the front end of the tipping frame E of irregular
shape and shown best in Figs. 1 and 2, the said frame having at its front end a yoke
like portion, see Fig. 8, which contains suitable bearings for the shaft e³ carrying the
rotary molded cutter n, the said cutter having blades provided with cutting edges of
suitable shape, or molded, to give to the heel the desired shape.
The cutter shaft e³, at the tread end of the said molded cutter, has loose upon it a
pattern guide 24, see Figs. 1 and 10, of usual construction, which bears on the heel
pattern plate a before referred to of the jack mechanism as the shaft a is partially
rotated or oscillated as described.
The tipping frame E is mounted to turn or tip about an axis or centre of motion
herein shown as a pin or stud 26, it being represented by dotted lines Figs. 1, 2 and 8,
as entering the rocking frame D, the said pin occupying a position at right angles to
the axis of rotation of the cutter carrying shaft es so that the axis or centre of the
said pin or stud on or with relation to which the tipping frame E tips to tip the
shaft and with it the molded cutter as the rear of the heel is being trimmed, is
always kept directly in line with the contracting point of the heel pattern plate a²
with the pattern guide 24, such location of the pin or stud 26 enabling the blades of
the molded cutter, in all positions of the heel, to trim the latter fully to the heel
pattern plate a² and yet not touch the said pattern plate which would dull the
blades.
The long end of the pin e of the carriage d¹³, see Fig. 12, is extended through
the slot of the guide d¹ and then into the slot e¹ of the arm e².
During the tipping movement of the tipping frame E and with it the shaft es about
the pin or centre of motion 26, the slotted arm e' acting on the pin or stud e, causes
the carriage d¹³ to be moved and to move with it the rand or counter guard 29,
[shown in Fig. 8 and enlarged in Fig. 12, as attached to the said carriage d¹³] so
as to uncover more or less of the edges of the blades of the cuttter n, the lip of the
said rand or counter guard remaining however in the rand crease and at the same
relative distance from the cutting edges of the said molded cutter n.
The drawings, Figs. 1 and 8, show the parts in the positions they will occupy
when the central or rear and circular part of the heel is being trimmed, and as herein
shown the trimming of the heel is to be commenced at such point, but it is not desired
to limit this invention to commencing the trimming of the heel at such point.
The main shaft A³ will in practice have secured to it an exhaust fan of some usual
form to draw away through the wind trunk the cuttings and dust.
The shaft A³ has fast on it a belt pulley 100, shown by dotted lines, which receives
a belt 101 extended over a pulley 102 fast on a shaft 104.
The bet 101 is acted upon by a binder pulley 103.
The shaft 104 is provided at its opposite end with a bevel gear 105 which engages
a bevel gear 106 on a shaft shown by dotted lines, see Fig. 1, it having fast to it a
worm 107 which engages and rotates a worm gear 108 loose on a stud 109 extended
from the trunk A, the said gear and the parts surrounding it being shown in section
Fig. 6, and enlarged.
The inner side of the worm gear is chambered to receive a clutch ring 110 having
fingers 112, and a projection 113, the sail fingers having between them a series of
rolls 114, see Figs. 4 and 6 and dotted in Fig. 1.
The clutch ring 110 referred to surrounds a cam hub 115 having a series of
inclines 116, see Figs. 5 and 6, on which the rolls 114 rest.
The hub 115 forms part of a gear 117 [the hub of which is shown enlarged in

page_text: Figs. 4 and 5] loose on the said stud 109 and engaging the teeth of a cam wheel 118,
the resistance of the cam wheel being sufficient to normally keep the gear 117
stationary on its stud 109.
The gear 117 has at its side next the worm gear 108 an annular groove 119, see
Figs. 4 and 5, in which is placed a spring 120, one end of the said spring being
attached to a pin 121, while the free end of the said spring is made in practice to act
against a pin 142* extended from the rear side of the clutch ring 110, see Figs. 4
and 7, the said spring 122 normally acting to turn the clutch ring in such direction
on the cam hub 115 as to cause the rolls 114 to ride up the inclines 116 thereon and
lock together the worm wheel 108 and the said hub so that the gear 117 will rotate
the cam wheel 118, but the rotation of the gear 117 may be and is stopped auto-
matically once for each complete rotation of the cam wheel 118. The said cam wheel
has a series of pins 123 which in its rotation strike in succession the end 124 of a
clutch controller 125 pivoted at 126 and having a projection 127, shown by dotted
lines Fig. 6, which if not removed from the path of the projection 113 of the clutch
ring 110 will meet the said projection and stop the said ring so that the rolls 114 will
be drawn down the said inclines toward the stud 109 and be made to release the worm
gear 108 from the said hub 115, and leave the gear 117 at rest.
In Fig. 1 it will be supposed that the gear 117 is at rest as that part of the cam
wheel next the end 124 of the clutch controller normally held up as in Fig. 1 by a
spring 132, but partially shown, is devoid of a pin as 123, and consequently the
projection 127 shown by dotted lines at the inner edge of the said clutch controller is
permitted to stand in the path of movement of the projection 113 of the clutch ring
as the said ring approaches the said projection.
At all other times except just as the heel has been trimmed, the pin 123 acts to turn
the clutch controller aside and place its projection 127 temporarily out of the path of
the projection 113.
To start the wheel 117, it is only necessary for the operator to grasp the clutch con-
troller 125 by its handle and turn it to remove its projection 127 from the projection 113
of the clutch ring.
The said ring and the hub surrounded by it form a clutch, and while the form of
clutch shown is preferred, it will be understood that any other usual form of clutch
inechanism capable of permitting the worm gear 108 to be rotated continuously and
make it drive the gear 117 at any desired time may be used instead.
The cam wheel 118, as shown, is constructed to perform three operations, that is, it
has two cam grooves, one 133, shown by full lines Fig. 1, and the other groove 134,
by dotted lines in said Figure, and again by full lines in Fig. 15 at the opposite side
of the said cam wheel, the wheel having at its periphery a cam projection 135.
The cam groove 133 receives in it a roll 136 shown by dotted lines Fig. 1 and
separately in Fig. 14, extended from a link 137, jointed at 138, see Fig. 1, to an
arm 140 of a rock-shaft 141, the said shaft having a second arm 142, provided as
shown with holes 143 to receive a pin 144 which serves to join to the said arm a
link 145, which link is pivoted at 146 to the swing frame C, adjustment of the
link 145 giving to the swing-frame more or less movement according to the size of
the heel, or the length thereof from its rear part to the breast.
The link 187 is slotted as shown and embraces a stud 139 fixed to the frame A.
The cam 133 is of such shape as to hold the swing frame at rest while the usual
rotating cutter carried by the shaft in the tipping head E is acting to trim the sub-
stantially circular or rear part of the heel, and then to move the said swing frame C
about its pivots A³, while the said cutter is acting to trim the substantially straight
sides of the heel between its rear part and breast.
The screw-threaded clamping rod a³ acts against the interior of the shoe with
sufficient force to hold the tread end of the heel against the heel pattern plate a²
and cause the said plate a² to carry the heel with it in usual manner while the heel is
being trimmed.
The projection 135, at the proper time in the rotation of the cam wheel 118, that
is, just as the rotating cutter n arrives at the breast of the heel being trimmed, acts

page_text: against a cam roll 153 on a slide bar 154 jointed at 155 to the arm D' of the rocking
frame D. As the projection 135 in its rotation meets the roll 153, it lifts the bar 154,
causing a second roller or other stud 156. shown by dotted lines Fig. 1, and standing
in the slotted upper end 157 of the lowering lever 158 pivoted at 159, to relieve the
said lever from the holding action of the said stud 156 and permit the spring 160 to
turn the said lever 158 until the quite circular part 161 of the slot in the said lever,
as at the right, see Fig. 1, and at the left Fig. 11, comes under the said roll 156,
when the said part 161 acts as a lock to hold up the slide 154, even after the
projection 135 has left the roll 153.
The slide 154 is in practice made in two parts connected by a bolt 164 to thereby
enable the slide to be made of greater or less length according to the size of the
heel.
The pinions a² and a readily engage one with the other when the jack is brought
up into working position, it being normally held in such position by the spring 50.
The cutter n is what is called a molded cutter, that is it has several blades which
have their edges molded to correspond with the shape desired for the heel, the blades
being attached to a head as in Letters Patent No. 12346 dated August 28, 1888
granted to Alfred George Brookes entitled
"
Improvements in means or apparatus employed for trimming heels and soles in
the manufacture of boots and shoes."
Many heel trimming machines employ a rand or counter guard without a separato
rand knife, and so if desired the rand knife may be omitted; but for the best
results and so as to trim the heel perfectly and avoid any possible fin next the counter
or heel portion of the upper, I prefer to employ a rand knife.
The link 137 may if desired be connected directly to the pin 146, but the adjust-
able form of making the connection is preferred.
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 In a heel trimming machine, a jack to hold the shoe the heel of which is
to be trimmed; a rotary cutter to act upon the heels; and means to support the
cutter shaft substantially as described whereby the said cutter shaft in its operations
is free to tip longitudinally and at the same time to be moved in the direction of
the length of the heel from the rear end to its breast as the straight side of the
heel is being trimmed, substantially as described.
2: A heel trimming machine containing the following instrumentalities, viz. :-
a jack to hold the shoe the heel of which is to be trimmed; a partially rotating
heel pattern plate to receive against it the tread end of the heel to be trimmed; a
cutter shaft; a cutter thereon to trim the body of the heel; a pattern guide carried
by the cutter shaft and bearing on the heel pattern plate; a rocking frame; and
a tipping frame adapted to move about an axis located substantially at right angles
to the shaft carrying the said cutter, whereby the said frame is always free to tip
about a centre or axis of motion coincident with the contact point between the
heel pattern plate and pattern guide, the parts being organized to operate, sub-
stantially as described.
:-
3-A heel trimming machine containing the following instrumentalities, viz. :-
a jack to hold the shoe the heel of which is to be trimmed; a partially rotating
heel pattern plate to receive against it the tread end of the heel to be trimmedⓇ ;
a cutter shaft; a cutter thereon to trim the body of the heel; a pattern guide
carried by the cutter shaft and bearing on the heel pattern plate; a rocking
frame and a tipping frame adapted to move in a circular path about an axis or
centre located substantially at right angles to the shaft carrying the said cutter,
whereby the said frame is always free to tip or move about a centre or axis of
motion coincident with the contact point between the heel pattern plate and pattern
guide; and a rand or counter-guard to enter the rand crease and operate, sub-
stantially as described.

page_text: 4:-The rotating cutter; the shaft to which it is attached; the tipping frame
carrying the said shaft and having its axis of motion at right angles to the said
shaft, combined with the rand or counter guard and its supports, the tipping frame
in its movements simultaneously moving the rand or counter guard to uncover
more or less of the cutting edges of the blades of the cutter; and with the rotating
shaft and its attached rand knife, substantially as described.
5: A jack to support the shoe the heel of which is to be trimmed; a rotating
cutter; the shaft of which it is attached, the tipping frame carrying the said
shaft and pivoted to move about an axis at right angles to the axis of rotation
of the said cutter shaft; and a swing frame and means to connect it to the
frame carrying the cutter shaft, combined with a pattern cam to move the said
swing frame intermittingly to cause the cutter shaft and its attached cutter to be
automatically moved horizontally while the sides of the heel are being trimmed,
substantially as described.
6: The rotating cutter; the shaft to which it is attached; the tipping frame
carrying the said shaft and having its axis of motion at right angles to the said
shaft;
combined with the rand or counter guard and its supports; the tipping
frame in its movements simultaneously moving the rand or counter guard to
uncover more or less of the cutting edges of the blades of the cutter, substantially
aas described.
7: In a heel trimming machine, the swing frame C, the pattern cam; means
to rotate the said pattern cam; and connections between the said cam and frame
to automatically swing the same, substantially as described.
8: The rocking frame D, and its connected link; combined with a cam to
move the said link and lift the said frame to remove the cutter from contact with
the heel, substantially as described.
9: In a heel trimming machine having a rotary cutter; a pivoted jack; a
heel pattern plate against which to hold the tread of the heel being trimmed, and
gears a, a, combined with other gears to rotate the said pattern plate, the move-
ment of the jack to remove a shoo heel from contact with the cutter disengaging
the said gear a from the gear at employed to actuate it, substantially as described.
10 The heel trimming cutter; its shaft; and the tipping frame having an arm
or extension, combined with a carriage and attached rand or counter guard; the said
arm serving to operate the said carriage, substantially as described.
11-In a heel trimming machine, a rotating heel trimming cutter; its shaft; and
a frame to support the shaft; combined with a double or twin jack, the head of the
jack rotating upon a vertical axis while the foot of the jack is free to tip toward and
from the cutter upon a horizontal axis substantially, as described.
Dated the 27th day of August 1880
WM. BROOKES & SON,
55 & 56, Chancery Lane, London, Agents for the Applicant.