Improvements in Stitch Wheeling Machines.
Year: 1898

page_text: Improvements in Stitch Wheeling Machines.
I, WALTER JACKSON, 89A, Humberstone Road, Leicester, Engineer, do hereby
declare the nature of this invention to be as follows;-
-
This invention relates to stitch wheeling machines for use in the manufacture
of boots and shoes and has reference to the type in which the stitch wheel is
reciprocated to and fro horizontally when performing the stitch wheeling
operation.
The invention comprises various features or improvements all of which are
hereinafter referred to.
The first part of the invention relates to improved means for reciprocating
the slide supporting the stitch wheel tool and its carrier.
For this purpose the said slide which has dovetail sides and is located in a
guideway on the table or bed plate of the machine is attached by means of a
connecting rod to an eccentric, carried on a shaft at the end of the table.
The slide and connecting rod are united by means of a knuckle joint and set
screw and the outer knuckles may be split and clamped together by screws or
equivalent means to admit of wear being taken up on the connecting pin when
necessary.
Another feature of improvement is to enable the tool to be adjusted vertically
relatively to the work support for very heavy men's work in which thick soles
are employed.
For this purpose the tool carrier is supported on a screwed stalk fitting
within an internally threaded boss on the upper face of the said slide, a set
screw passing through the said boss to fix the carrier in position.
Iy unscrewing or screwing the said stalk the carrier and its tool are either
raised or lowered relatively to the work support.
A further part of the invention relates to the work support and consists of
making it adjustable relatively to the stitch wheel and also of means for
adjusting the power of the spring by which it is kept raised in its normal
position relatively to the stitch wheel so that the edge of the boot sole is clamped
between the said support and the tool.
The work support which is revoluble consists of a disc having a boss or tubular
shank which fits over a shouldered pin entering into and supported by the upper
end of a vertical spindle.
The said shouldered pin is fixed in position by a set screw and upon releasing
the latter it can be raised or lowered relatively to the tool to adjust it for slight
differences in thickness of soles. The means to adjust the power of the spring
and the work support is as follows:-
The work support spindle passes downwards through a sleeve attached by
flanges to the bed plate or table and the said spring is compressible between
the bottom of the said sleeve and a shoulder on the spindle.
To admit of regulating the tension of the spring the floor of the sleeve is

page_text: provided with a screwed shank which fits into the end of the sleeve and is formed
with lugs similar to a wing nut, by turning which the said shank can be raised
or lowered in the sleeve to increase or decrease the tension of the spring for the
purpose described.
A flat is cut on the spindle and the end of a set screw passing through the
sleeve and abutting against the shoulders formed by the ends of the said flat
limit the up and down movement of the said spindle and the work support.
Dated this 20th day of May 1898.
BOULT & WADE,
Agents for the Applicant.
Improvements in Stitch Wheeling Machines.
I. WALTER JACKSON, of Humberstone Road, Leicester, Engineer, 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 relates to stitch wheeling machines for use in the manufacture
of boots and shoes and has special reference to the type of machine in which the
stitch wheel is reciprocated to and fro horizontally when performing the stitch
wheeling operation.
The invention comprises certain improvements in the construction of the
machine, all of which are hereinafter fully set forth and specifically indicated
in the claims at the end of this specification.
Referring to the accompanying drawing, Figure 1 is a plan of a stitch wheeling
machine constructed in accordance with this invention.
Figure 2 is a view partly in side elevation and partly in vertical section of the
machine with the lower part of the standard and pedal connections omitted.
A represents the standard of the machine at the upper end of which is a
table A secured thereto by screw bolts A².
At one end of the said table there are bearings A3 A4 in which is located the
driving shaft B carrying on one end a driving pulley B' the boss of which
extends to close against the bearing A3 and on the other end a collar 133 screwed
thereon and flush with the bearing A+ so that any endwise movement of the
shaft is obviated.
Centrally on the said shaft is an eccentric 135 Fig. 4 embraced by the split
boss or bearing plates of a connecting rod C the two parts C1 C2 of the said
split boss which surround the eccentric being connected together by screws C³
with tightening nuts C on their ends.
The other end of the connecting rod is provided with two bosses or knuckles C5
having a space between them to receive a knuckle D¹ on the end of the tool
carrying slide D, which is located in the same plane as the shaft B and is
reciprocated transversely or at right angles to the axis of rotation of the latter
thereby securing a direct action and a smooth and even working of the slide.
A pin E passes through each of the three knuckles C5 C5 D₁ thus uniting the
slide and connecting rod together and the said pin is fixed against movement
by a set screw E' bearing thereon and passing through the slide knuckle D¹.
Each of the two bosses or knuckles C5 of the connecting rod is split trans-
versely as shown most clearly in Fig. 4 and has a clamping screw C6 passing
through so that by tightening the said screws any wear or shake on the con-
necting pin or bosses can be taken up and remedied.
The slide D has dovetailed sides and is movably located between two guide

page_text: blocks FG with correspondingly shaped adjacent sides and fixed in position by
screws FG passing through them into the table A¹.
The guide plate F is fixed flush up against a rib A forming an integral part
of the table A and set screws A6 pass through the said rib and bear against the
said guide bar to further lock the latter against movement.
On the upper face of the slide is an internally threaded boss D2 Fig. 2 into
which is screwed a threaded stalk H.
The head or enlarged upper end H¹ of the latter is cut away vertically for
part of its thickness and depth to form a concavity H² to receive the curved end
of a lug or downward extension J₁ of the tubular carrier J which lug is fixed in
the concavity and to the side of the said head by a screw bolt J2 Fig. 2 and
nut J³ Fig. 1.
In each end of the carrier J there is located a tubular socket or bush fixed
in position by set screws J and forming bearings for the freely revoluble shank
or spindle K upon the end of which the boss of the milled edged stitch wheel
tool L is fixed by a screw L¹.
The angle of the tool carrier and its tool may be varied by releasing the
screw J2 and the vertical adjustment of the same may be effected by rotating
the screwed stalk H in the boss D². A set screw H³ passing through the boss
and bearing against the stalk fixes the tool in the vertical position determined
upon.
M represents the freely revoluble work support upon which is placed the edge
of the boot or shoe sole to be operated upon by the stitch wheel.
The work support may have either a circular or mushroom head (the latter
being shown in Figs. 2 and 3) provided with a tubular shank M fitting rotatably
over the upper end of a pin N furnished with a shoulder or integral collar N¹
upon which the said shank rests.
The lower part of the said pin enters into the tubular end of a vertical
spindle and will be supported therein when its collar N₁ rests on the upper
end of the spindle.
The work support may be adjusted vertically and relatively to the tool L for
varying thicknesses of soles by raising the shouldered pin in its socket and fixing
it by a set screw №2 which passes through the latter for that purpose.
The spindle is located within a sleeve P which passes downwards through an
opening in the table A¹ and is furnished with integral flanges P¹ which are
attached to the table by bolts P².
The lower end of the spindle is reduced in diameter and encircled by a spiral
spring P3 compressible between a shoulder 01 (formed by a reduction of the
spindle) and the floor of the sleeve P the said floor consisting of a short tubular
threaded shank or sleeve Qfitting within the sleeve and provided with lugs Q¹
similar to a wing nut, by tightening or releasing which the power of the spring
can be correspondingly altered.
The spring tends to force the work support upwardly towards the stitch wheel
tool, but the movement of the work support either upwards under the influence
of the spring, or downwards as the result of depressing a foot pedal as herein-
after mentioned, is limited by shoulders 02 0³, forming the extreme ends of a
flat formed on the said spindle, abutting against the end of a set screw (6
passing through the sleeve P and locked in position by the lock nut 05.
The lower end of the spindle O has connected thereto a rod R whose opposite
bend is attached in any suitable manner to a foot pedal of well known construc-
tion, by depressing which the spindle and work support can be lowered.
By arranging the reciprocating tool carrying slide D and its actuating
mechanism all in the same or approximately the same plane, a much smoother
action of the slide is obtained than would otherwise be possible, and there is not
the same tendency for the slide to work loose and shake in its guides, the effect
of which would be to impart such an amount of vibration to the stitch wheel as
would be detrimental to its proper function.

page_text: The combination of the reciprocatory slide 1), a shaft B, arranged transversely
thereto and a connecting rod C intermediate of the same is a convenient arrange-
ment of mechanism operating in the same plane, it should be understood how-
ever that the invention is not limited to this particular combination of
mechanism for that purpose.
The operation of the machine is as follows:-
-
The operator places his foot upon and depresses the pedal which, through the
medium of the rod R and the spindle O lowers the work support M. The boot sole
is then placed tread surface downwards upon the latter and upon the operator
removing his foot from the pedal the spring P3 raises the work support which
thereupon clamps the marginal edge of the sole between it and the tool L.
The operator then moves the boot to and fro and the frictional contact of the
said tool upon the edge of the sole adjacent to the upper produces a successive
series of indentations upon the said sole edge and also rotates the tool.
The reciprocatory motion of the tool derived from the slide also tends to
deepen and burnish the impressions or indentations made on the sole edge.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is:-
1. In a stitch wheeling machine the combination with the rotary tool and
its carrier of a reciprocatory slide therefor, a shaft and mechanism between it
and the said slide to actuate the latter all arranged and operating in the same
or approximately the same plane.
2. In a stitch wheeling machine the combination with the rotary tool and its
carrier, of a reciprocatory slide therefor, a shaft arranged transversely thereto
and connections between it and the said slide to actuate the latter and all
arranged and operating in the same or approximately the same plane.
3. In a stitch wheeling machine the combination with the rotary tool, and
its carrier, of a reciprocatory slide therefor, a shaft whose axis of rotation is
arranged transversely thereto and a connecting rod between the said shaft and
the slide to actuate the latter and all arranged and operating in the same or
approximately the same plane.
4. In a stitch wheeling machine the combination with the rotary tool and
its carrier, a reciprocatory slide therefor, a shaft, and a connecting rod between
it and the slide to actuate the latter, the said connecting rod and slide being
united by a pin and split socket connections which latter can be adjusted to
take up the wear thereon substantially as described.
5. In a stitch wheeling machine the combination with the work support of a
tool and its carrier and means for adjusting the latter in a vertical direction.
6. In a stitch wheeling machine the combination with the rotary tool and its
carrier, a reciprocatory slide therefor, and mechanism for actuating the latter, of
a work support and means for adjusting the said tool carrier in a vertical plane
relatively to the said work support.
7. In a stitch wheeling machine the combination with a work support of a
rotary tool, a carrier therefor, a screwed spindle on the latter located and
vertically adjustable in the threaded boss of a reciprocatory slide which actuates
the said carrier and mechanism for actuating the said slide.
8. In a stitch wheeling machine the combination with a rotary tool and its
carrier and means for reciprocating them in a horizontal plane, of a work sup
port M, a shouldered pin N N on which the latter is revolubly carried, a spring
controlled spindle O supporting the said pin, a sleeve P containing the said
spindle and spring and connections between the spindle and a foot pedal for
lowering the work support relatively to the stitch wheel.
9. In a stitch wheeling machine the combination with a rotary tool and its
carrier and means for reciprocating the latter in a horizontal plane, of a work
support M, shouldered pin N¹, spindle O, sleeve P, and screwed sleeve Q for

page_text: adjusting the tension of the spring P³ substantially as and for the purpose
⚫described.
10. In a stitch wheeling machine the improved adjustable work support con-
sisting of the parts constructed, arranged and operating substantially in the
manner and for the purpose described and illustrated in Fig. 3 of the accom-
panying drawings.
11. The improved stitch wheeling machine constructed, arranged and operating
substantially in the manner described and illustrated in the accompanying
drawings.
T1
0011 1
ሶ
1 1000
BOULT & WADE,
Agents for the Applicant.