Improvements in or relating to Boot and Shoe Finishing Machinery.
Year: 1892

page_text: Date of Application, 26th Mar., 1892
Complete Specification Left, 24th Dec., 1892-Accepted, 28th Jan., 1893
PROVISIONAL SPECIFICATION.
Improvements in or relating to Boot and Shoe Finishing Machinery.
We, WILLIAM ROBERT MUDD and ALFRED POCHIN of Newarke Street,
Leicester, Boot and Shoe Engineers, do hereby declare the nature of this invention
to be as follows:-
This invention has reference to improvements in or relating to boot and shoe
finishing machinery and has for its object (1) to equalise the pressure of the
burnishing tool over the whole surface of the heel being burnished, (2) to permit of
varying the angle of the boot carrying jack, (3) to adjust the horizontal, travel of
the boot carrying jack.
In order to equalise the pressure of the burnishing tool over the whole surface of
the heel being operated upon, spiral springs attached preferably to the arm carrying
the burnishing tool are tensioned when the narrower part of the heel is being
finished, so that an approximately uniform pressure is exerted by the tool upon the
varying circumference of the heel.
The springs are automatically put in tension as the burnishing tool leaves the
seat of the heel and the tension is gradually increased until the said tool has finished
the narrowest part of the heel.
The tensioning of the springs is effected preferably by a sliding, revolving; or
other suitably shaped cam carried on the shaft which moves the jack to and fro,
or otherwise as desired.
This cam operates the springs through the medium of toggle and other levers,
one of which passes through the rocking shaft, or equivalent mechanism connected
to a cross-bar fixed on the base of the said springs.
The shape or contour of the cam is regulated by the shape of the heel to be
finished and such cam may be removed and another substituted for it when a
differently shaped heel is to be operated upon.
The shaft carrying the cam is reciprocated by means of a rod or lever rocked to
and fro on a suitable fulcrum, under the influence of a cam operated through
suitable intermediate mechanism from the driving shaft.
The second part of the invention relates to varying the angle of the boot jack,
so as to present the boot or shoe being treated, at the proper angle to the
burnishing tool.
This is effected. by mounting the jack rod in a swing frame or bracket connected
by a spindle or other mechanism to a hand lever the movement to and fro of which
alters the angle of the jack.
The hand lever engages notches, or a rack or equivalent on the side of the jack
slide and is thereby secured against accidental movement during the working of the
machine.
A further part of the invention relates to adjusting or regulating the to.and fro
travel of the boot carrying jack according to varying thicknesses of heel pads that
are used.
This may be effected by mounting the link which connects the jack to the
horizontally reciprocating shaft, to an eccentric or equivalent which. may be
operated by a star or hand wheel or other mechanism to vary the position of the
jack in relation to the burnishing tool as various thicknesses of heel.pads or
"dummies" may require.
Dated this 26th day of March 1892.
W. P. THOMPSON & BOULT,
Agents for the Applicants.

page_text: COMPLETE SPECIFICATION.
Improvements in or relating to Boot and Shoe Finishing Machinery.
We, WILLIAM ROBERT MUDD and ALFRED POCHIN of Newarke Street,
Leicester, Boot and Shoe Engineers, 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 reference to boot and shoe burnishing or finishing machines
and embodies improvements which have for their object (1) to equalise the pressure
of the burnishing tool over the whole surface of the heel being burnished, (2) to
permit of varying the angle of the boot carrying jack (3) to adjust the horizontal
travel of the said jack.
The invention will be understood from the following description in reference to
the accompanying drawings, wherein
Figure 1 represents so much of a burnishing machine as is necessary to clearly
illustrate the application of our improvements thereto.
Figure 2 is an elevation of the sliding frame of the jack rod and jack and hand
lever for adjusting same.
Figure 3 is a sectional plan of the link and eccentric for adjusting the jack in
relation to the burnishing tool and
Figure 4 is a section through the eccentric.
Figure 5 is a plan of a portion of the jack guide, showing rack thereon.
In describing the present invention it will be necessary to refer to our former
Patent No. 5441 of 1891 and in referring to the mechanism included therein, we
employ the same letters and combination of letters and figures of reference as in the
former Patent and the mechanism connected with the present invention will be
indicated by numerals only.
The first part of the invention has for its object to equalise the pressure of the
burnishing tool over the whole surface of the heel being burnished.
For this purpose the springs which are attached to the arm carrying the
burnishing tool, to keep the latter up to its work, are gradually increased in tension
from the time the seat of the heel leaves the burnishing tool until the narrower
part of the said heel is finished.
Referring to Figure 1, H is the usual rocking shaft of a burnishing machine
carrying an arm provided at its free end with the usual burnishing tool H¹, shown
in contact with the heel of a boot about the circumference of which it reciprocates
and produces the glaze or finish thereon by frictional contact as is well understood.
The burnishing tool H' is maintained in contact with the heel by means of a
spring 2 on each side of the arm 1.
Now in order to automatically increase the tension of these springs as the seat or
widest part of the heel leaves the burnishing tool and the narrow part of the heel
approaches thereunder during the travel of the boot carrying jack A as is well
understood, we connect the lower end of each of the springs to a lug or projection 4
on each side of a curved lever 3, movably fulcrummed at 5 to a downward
extension 6 of the sleeve 7 surrounding the rocking shaft H. The other end of the
said lever 3 is turned upwardly, passes through a slot in the underside of the
rocking shaft H and is in contact with a rod 8 located in the tubular rear portion
of the rocking shaft.
The end of the rod 8 projects outwardly from the rocking shaft and meets the
upper end of a rocking lever 9 movably fulcrummed at 10 to the side of a bracket 11
on the bed plate 12 at the upper end of the column C.
The lower end of the lever 9 is pivotted at 13 to the joint 14 of a toggle lever,
the opposite joint 15 being connected to a shaft J having a bearing in each side of
the columu C. The toggle lever is attached centrally to an upright rod 16
pivotted at 17 to a horizontal lever 18 on a shaft N in the lower part of the column

page_text: carrying also a lever O supporting the lower end of the rod A' of the boot carrying
jack A.
In a former Patent granted to us No. 5441 of 1891 we have described mechanism
for imparting to the boot carrying jack A a horizontal movement equivalent to the
height of the heel being burnished and a slightly vertical movement, variable
according to the shape of the heel, but requisite to keep the narrow part of the heel
in contact with the burnishing tool H' as is well understood.
In order to enable the present invention to be clearly understood, so much only
of the mechanism included in the before mentioned Patent is herein described as
will serve this purpose.
Briefly stated then the mechanism referred to in the before-mentioned Patent for
raising and lowering the jack is as follows:-The rod A² of the boot carrying
jack A rests on a lever O mounted on a rocking shaft N, to which is also connected
(and shown in dotted lines) a link plate N' secured to a vertical rod M in contact
with a cam L on the shaft K and moved up and down thereby.
The up and down movement of the rod M lowers and raises the jack rod A² and
boot carrying jack A.
The horizontal movement of the jack is effected by a link plate A¹ connecting it
to a reciprocating shaft B operated by a rocking lever E actuated by an eccentric
pin F on the wheel F on tlie shaft K.
As the horizontal lever 18 is also connected to the rock shaft N as before
described it follows that the upright rod 16 connected thereto will move in unison
with the rod M.
Therefore as the seat or widest part of the heel being burnished passes away
from the burnishing tool and the rod M is lowered by the cam L to raise the jack
rod and jack A and keep the narrow part of the heel in contact with the burnishing
tool the upright rod 16 is also simultaneously lowered.
This action brings the joints 14 15 of the toggle lever into an approximately
straight line and causes the lever 9 to assume a nearly vertical position.
The upper end of the lever 9 thereupon moves on its axis 10 and gradually
pushes the rod 8 before it while the other end of the rod is forced up against the
curved lever 3 causing the latter to move on its fulcrum and bring its opposite end
downwards thereby increasing the tension of the springs 2 and thus enabling the
burnishing tool to exert a uniform pressure on the narrow part of the heel.
The second part of this invention embodies improvements having for their object
to permit of varying the angle of the jack so that the boot or shoe supported
thereby may be presented at the proper angle to the burnishing tool.
For this purpose the lower end of the rod A² connected to the jack A. is inserted
within a recess in a circular swing block P movably fulcrummed at P¹ between the
jaws or sides of a frame 19 whose base fits within and is free to slide to and fro in
a groove in a plate 20 connected by screws 21x to the foundation plate of the
column.
A pin or stud 21 on the side of the frame 19 is located within a slot 22 in the
lower end of an upright hand lever 23 fulcrummed at 24 to a plate or bracket 25
connected to the side of the column C.
Upon the operator moving the hand lever 23 to and fro an opposite movement is
imparted to the sliding frame 19 thereby bringing the rod A more or less out of
the vertical line and correspondingly varying the angle of the jack A.
A rack, R' Figures 2 and 5, is formed on or connected to the side of the jack
guide R and the hand lever is maintained in position by engaging one of the teeth
or notches thereon.
The third part of the invention has for its object to adjust or regulate the
horizontal travel of the jack so as to provide for varying thicknesses of heel or top-
piece pads and also for any occasional variation in the heights of the heels being
finished.
The jack is moved to and fro horizontally by a link plate A' connecting it to a
reciprocating shaft B operated by a slotted lever E receiving motion from an

page_text: eccentric. pin on a spur-wheel F on the shaft as described in our former
Patent No. 5441 of 1891.
It is obvious that when' once the horizontal travel of the jack is adjusted, the
extent of its movement to and fro is invariable, and to alter it for every trifling
variation in the heights of heels being finished would be inconvenient and entail
stoppage of the machine and loss of time.
Yet if the to and fro travel be not adjusted for the purposes above stated the
burnishing tool will work beyond the seat of the heel and on to the boot upper and
this it is desirable to avoid.
As will be seen from Figures 1 and 3 the jack and the reciprocating horizontal
shaft B before described are connected together by a link plate A' mounted on a
spindle B passing into the jack A.
In order to adjust the travel of the jack in relation to the burnishing tool for the
purpose, before described we mount on the spindle B' an eccentric cam 26 Figs. 3
and 4 and locate it within an opening in the link plate A¹.
The eccentric has also formed with it a milled edged nut or disc 27. It is obvious
that by turning the latter the eccentric 26 will move the jack A nearer to or
farther from the horizontal shaft B by which the jack is moved to and fro.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed we declare that what
we claim is
1. In a boot and shoe burnishing machine automatically increasing the tension of
the springs connected to the tool carrying arm during the raising of the boot
carrying jack for the purpose specified.
2. In a boot and shoe burnishing machine the combination with springs connected
to the tool carrying arm of a lever such as 3 horizontal rod such as 8 and means to
actuate the said rod and lever to increase the tension of the springs during the
raising of the boot carrying jack substantially as and for the purpose described.
3. In a boot and shoe burnishing machine the combination with springs connected
to the tool carrying arm of a lever such as 3 horizontal rod such as 8 and lever such
as 9 substantially as and operating in the manner and for the purpose described and
illustrated in the accompanying drawings.
4. In
boot and shoe burnishing machine the combination with springs
connected to the tool carrying arm of a lever such as 3 horizontal rod such as 8
lever such as 9 jointed lever such as 14 15 upright rod such as 16 and horizontal
lever such as 18 substantially as and operating in the manner and for the purpose
described and illustrated in the accompanying drawings.
5. In a boot and shoe burnishing machine the combination with springs connected.
to the tool carrying arm of a lever such as 3 and means between it and a cam for
operating same substantially in the manner and as and for the purpose described
and illustrated in the accompanying drawings.
6. In a boot and shoe burnishing machine the combination with the rod of the
boot carrying jack of a sliding frame and means for moving the said frame to and
fro for the purpose specified.
7. In a boot and shoe burnishing machine the combination with the boot carrying
jack of a swing block such as P sliding frame such as 19 and hand lever such as 23
substantially as and for the purpose described and illustrated in the accompanying
drawings.
8. In a boot and shoe burnishing machine the combination with the boot carrying
jack of a sliding frame such as 19 hand lever such as 23 and rack on the jack guide
substantially as and for the purpose described. and illustrated in, the accompanying
drawings.
9. In a boot and shoe burnishing machine the combination with the boot carrying
jack and horizontally reciprocating shaft such as B of a link plate such as A and
eccentric cam, such as 26 substantially as and for the purpose described and
illustrated in the accompanying drawings.
ปี

page_text: 10. The improved boot and shoe burnishing machine consisting of the combination
and arrangement of parts constructed and operating substantially as and in the
manner and for the purpose described and illustrated in the accompanying
drawings.
Dated this 23rd day of December 1892.
W. P. THOMPSON & BOULT,
Agents for the Applicants.