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Патент USA US3045276

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July 24, 1962
3,045,266
c. E. MENSING
ARCH SUPPORT FORMING FIXTURE
Filed Nov. 10, 1959
2 Sheets-Sheet 1
[3
Inventor
Clifford E - Mens Eng
5% ‘??nn VM
“
zq-l'lornegws
July 24, 1962
c. E. MENSING
3,045,266
ARCH SUPPORT FORMING FIXTURE
Filed Nov. 10, 1959
2 Sheets~Sheet 2
$115.4
Inveni‘or
C?ffor?. E ., Men.
sing/
’
United States Patent O
Patented July 24, 1962
2
accurately position the soaked leather on the cast, and the
lack of tendency to displace the leather as it is being locked
3,045,266
Clilford Mensing, 102 N. Hubbard, Algonquin, Ill.
Filed Nov. 10, 1959, Ser. No. 852,132
_
ARCH SUPPORT FORMING FIXTURE
in place against the cast; and the fact that the soaked
leather will dry faster than is true in the prior art practices
8 Claims. (Cl. 12--1)
where the leather is insulated from the air by numerous
layers of the bandage wrapping.
The present invention relates to a ?xeure for use in
Additional objects and advantages will become apparent '
forming arch supports or the like.
In making special footwear, or parts for inserts for
‘shoes, for individuals having di?iculties with their feet,
it is the practice of a podiatrist to make a cast of the
from the following description taken in conjunction with
the accompanying drawings in which:
10
vFIGURE 1 is a side elevation of an embodiment of my
invention;
foot of the individual being treated. This cast, usually
FIGURE 2 is an end elevation partially broken away
made of plaster, is what may be termed a negative cast
of the embodiment of FIGURE 1 as viewed from the right
in that the hollow interior conforms to the shape of the '
end of FIGURE 1;
foot but the physical structure of the cast is not a dupli 15
FIGURE 3 is a perspective view of one of the web en
cate of the actual foot conformation. From this negative
gaging clips illustrated in the embodiment of FIGURES
cast a positive cast is made by ?lling the hollow interior
of the negative cast with a suitable material, again usually
1 and 2;
‘
FIGURE 4 is an end elevation of a second embodi
a plaster compound. This positive cast is then used to
ment;
shape a piece of leather to the conformation of the por 20 ‘FIGURE 5 is a partial side elevation of the embodi
tion of the foot for which a special ?tting is desired,
merit of FIGURE 4;
usually the bottom of the foot. The shaped piece of
leather is then employed either in the manufacture of a
FIGURE 6 is an end‘ sectional view of a third embodi
ment; and
shoe or a shoe insert, such as an arch support.
FIGURE 7 is a perspective view of a portion of a posi
The procedure commonly utilized today is to water-soak 25 tive cast with a leather arch support molded thereto.
the piece of leather which is to be molded about the cast.
Referring to the embodiment of FIGURES 1 and 2, the
When the leather is thoroughly soaked it is placed across
?xture includes a frame generally 10. This frame is com
the area of the cast, which area is the portion of the foot
prised of a pair of end members .11 and ‘12 connected by
to which the podiatrist desires the leather to conform.
a pair of cross, supporting members 13 and 14. Cross
The cast with the leather thereon is then tightly wrapped 30 members 13 and 14 are received in correspondingly sized
with a multitude of turns of a length of gauze or the like.
openings in end members 11 and 12 and secured therein
This gauze holds the leather against the cast so that the
by pins or rivets 15. Secured to the top of support mem
leather takes the shape’ of the area of the cast against
bers 13 and 14 are a pair of resilient pads 16 and 17.
which it is positioned. When the leather dries it assumes
End members 11 and 12 are provided with bosses 18 at
a self-sustaining shape conforming to that of the cast about 35 the bottom thereof, which bosses have an opening v19
which it is molded.
therethrough to facilitate the mounting of the ?xture.
The wrapping of the cast with the leather thereon is a
Along the lower portion of both of the sides of each of
slow, tedious process. It must be carefully done so as not '
end members 11 and 12 are a plurality of slots 23. As
to disturb the desired position of the leather on the cast.
best seen in FIGURE 2, these slots extend at a slight
Furthermore, the wrapping must be drawn extremely
downward angle. The pairs of slots on each side of the
tight as it is placed about the cast and leather so as to
?xture receive a crossbar 24. Thus, each of crossbars 24
securely hold the leather against the cast and insure that
may be engaged in corresponding slots at one side of end
all portions of the leather will dry to the exact shape
members 11 and 12. With an upward pull on bars 24,‘ the
de?ned by the cast. In some instances this molding of
bars are securely locked in place because of the downward
the leather is performed by the podiatrist. However, in
angle of slots 23. At the same time a downward ‘pres
many instances the podiatrist will send the cast to an out
sure on bars 24 will disengage the bar from the slots.
side establishment which provides the service of molding
Each of crossbars 24 is provided with a handle 25 at one
the leather to the cast. The podiatrist does this, because
end thereof. The other end of each of bars 24 may be
of the time that it takes him to perform the process, which
provided, if desired, with a cap 26 so that in placing bars
time he feels is not economically justi?ed. At the same 50 24 in slots 23 one can insure that the end of the bar 24
time he recognizes that there are disadvantages in having
adjacent cap 26 is fully within the slot 23 in the cor
others mold the leather for him. Such disadvantages in
' responding end member.
clude: shipment times; the necessity for carefully pack
A plurality of webs 28, which may be of a canvas cloth
or the like, are employed to hold the leather about the
the di?‘iculty encountered in many instances of com~ 55 cast. Each of these webs 28 is in the form of a strap;
municating to others the exact portion of the cast to
that is, it is ‘substantially longer than is its width. For
which the leather is to conform.
most embodiments three webs 28 will be suf?cient. In
The principal object of my invention is to provide a ?x
such a case ‘the webs are about one and one-half to two
ture by which a podiatrist, or others for that matter, may
and one-half inches wide. The two end portions 29 and‘
quickly and simply conform' the soaked leather to be 60 30 of each web 28 are engaged with a spring clip gen
molded to a cast and hold itK securely in that position for
erally 31. Clip 31 is in turn connected by a spring 32
_ ing the cast to prevent its being broken in shipment; and
the period of time required for the leather to dry. Be
to one of crossbars 24.
cause of the speed and simplicity, this ?xture enables a
podiatrist to do his own leather molding without sub
stantial loss of his time and enables him to dispense with
The form of clip 31 illustrated in FIGURES 1-3 is
particularly advantages for this ?xture inasmuch as it
greatly facilitates the mounting of the leather on the
utilizing the services of others to perform this service.
Other objects and advantages include: the simplicity of
the structures of my invention which permit the ?xtures
-
mold. As will 'be seen, the clip 31 is formed of a contin
uous length of spring wire having sufficient turns so as to
form four connected top members 35, 36, 37 and 38. In
to be produced and sold at a relatively nominal cost; the
the illustrated embodiment this is approximately three and
substantial nonexistence of wear and tear, and the lack of 70 one-half turns of wire. Top members 35~38 are long
necessity for servicing and parts replacement; the fact
enough so as to receive the width of webs 28 without a
that with the use of my invention it is most ‘simple to
folding or bunching of the web on the clip. The lower end
3,045,266
3
4
0f the turns that form the clip narrow down to apices
40-42 to receive springs 32 and center the springs with re
spect to the elongated top members 35-38.
bar 24 disengaged the mold 46 and leather 45 are easily
removed from beneath webs 28.
As illustrated in the drawings, each side portion of web
28 is engaged by a pair of the top members,‘ the pairs be
ing members 35-36 and 37—38, respectively. Each
side portion is looped about the outside member, 35 and
38, respectively, with the double thickness of web 28 ad
jacent that loop passing under the inner top members, 36
FIGURES 4 and 5 illustrate an alternative embodiment
wherein a pair of end members 50 are connected by a cen
ter plate 51 and a base 52. At the top of end members
50 are a pair of circular openings in which are received
a pair of top support members 53 and 54. Immediately
above base 52 a similar pair of cross members 55 and
56 are received in openings in end members 50. Each of
and 37, respectively. Thus, as tension is put on the web 10 members 53-56 are held in place by set screws 57 threaded
into end members 50.
28, each side portion of the web will draw the two top
To support cast 46 a plurality of resilient blocks 60 are
members of a pair about which it is looped together to aid
received on support members 53 and 54. As will be seen
in locking the side portions of the web on the clip 31.
in FIGURE 4, blocks 60 have a relatively ?at top on
At the same time ‘a web may be individually tensioned by
which cast 46 is positioned.
pulling upwardly on one or both end portions 29 or 30
A plurality of webs 61 extend up over the cast 46 sup
of the web.
ported on blocks 60 and are connected to a wire bale 62
As hereinbefore explained, the ?xture is used to mold a
of a tensioning means generally 63. Webs 61 in this
soaked piece of leather such as that illustrated at 45 to
embodiment ‘are in the form of a continuous strap of
the shape de?ned by a plaster cast 46 of a patient’s foot.
FIGURE 7 illustrates such a piece of leather being molded 20 canvas or the like.
to form a ?tted arch support. In this case the leather is
cut so that it extends down around the arch area 47 of
Each tensioning means 63 includes a center plate 64
having an opening near the bottom thereof through which
extends one of cross members 55 or 56 (depending upon
the cast. After the positive cast is made and the leather
which side the tensioning means is located). Attached
to be molded thereto is soaked, the cast 46 with the
leather 45 thereon is slipped under webs 28 and posi 25 to center plate 64 are a pair of outer plates ‘65. The
front edges of outer plates 65 extend beyond the front
tioned on resilient pad 16. At this time the crossbar
edge of inner plate 64 (in the area of approximately
24 will be disengaged from slots 23, thus enabling the
the upper half of plate 64) with these edges of outer
cast to quickly and easily be put into position and the
leather properly aligned thereon. At the same time the ' plate 65 being provided with a plurality of generally U
webs 28 will be aligned over the leather making sure that 30 shaped recesses 66. A handle 67 has a pair of side
plates 68 and 69 which are spaced to ?t about the out
all of the leather, or the important portions thereof, to
side of outer plates 65. Between side plates 68 and ‘69
be molded is substantially covered by the webs.
is a pin or rivet 70 which is of a size to be received in
The crossbar 24 is then engaged with a pair of aligned
recesses 66. The two ends of bale 62 are received in
slots 23 in end members 11 and 12. A respective pair of
slots is chosen that will apply tension to springs 32 when 35 openings in side plates 68 and 69 which openings are
eccentrically positioned with respect to pin 70. A flat
the crossbar 24 is fully engaged in the slots. This initial
tensioning can easily be obtained utilizing only one hand
spring 71 has its ends secured to pins 72 extending be
tween outer plates 65 with the spring being looped over
by ?rst hooking the end of bar 24 adjacent cap 26 in a
slot at a suitable level and thereafter pressing down on
pin 70 in handle 67 between side plates 68 and 69. Thus,
handle 25 to tension springs 32 until the corresponding 40 spring 71 permits handle 67 to be moved outwardly to
disengage pin 70 from a speci?c pair of recesses 66 and
slot in the other end member is engaged by bar 24. The
allows the pin to be adjusted to different heights and
individual’s other hand can be used to'hold mold 46 and
straps 23 in place to avoid disturbing the alignment of the
seated in an appropriate pair of recesses 66 in plates 65
leather 45 or webs 28 thereon.
‘If additional, tensioning of an individual one of the
webs is needed, this may be achieved by pulling up on one
or both of end portions 29 or 30 of that web. In some
instances one side of a web 28 needs to be tensioned more
while at the same time prevents the handle 67 from be
ing completely removed from plates 65.
It will be apparent that the mounting of the bale 62
in relation to the pivot point of handle 67 as de?ned by
pin 70 forms a toggle which is locked in position when
than the opposite side of that web. For example, refer
the handle 67 is in the position illustrated in FIGURE 4
ring to ‘FIGURE 1, if the leather 45 was to be moi-dad 50 because of the toggle having been moved across center.
As handle 67 is pivoted outwardly from the position
somewhat around the heel portion of the foot form 46,
the right hand side of the right hand web in FIGURE 1
illustrated in FIGURE 4 the tension on web 61 is re
could be positioned partially around the heel portion
leased, .and with all of the webs released, cast 46 with
the leather thereon may be moved in or out of the space
and that right hand edge of the web 28 shortened with
respect to the left hand edge of the web. This would 55 surrounded by webs 61. When the cast 46 with the wet
leather thereon is moved into that space, handle 67 is
be done by pulling up on the right hand corners of the
end portions of web 28 in FIGURE 1, thereby engaging
adusted to an appropriate height by moving pin 70 along
the recesses 66 and thereafter handle 67 is pivoted down
wardly to draw bale 62 down and tension web 61.
right hand edge of the web as compared to the left hand
60 Each of the tensioning means 63 is independently ad
edge of the web.
justable as to height and the tension applied to its respec
The webs 28, all having ‘been drawn tightly about the
tive web 61.
leather and mold, will cause the leather to conform ac
A third embodiment is illustrated in FIGURE 6. In
curately to the shape of the mold. As is apparent from
this
embodiment a pair of end plates 75 are connected
FIGURE 2, the two side portions of the webs 28 extend
by supporting bars 76 received in rectilinear openings in
inwardly from mold 46 to clip 31. This insures that the 65 plates
75 and held in place by set screws 77. Attached
leather will be drawn about the sides of the mold as
to the upper surface of support bars 76 are resilient pads
well as about the top of the mold. As compared to prior
78 used to position cast 46 thereon. A plurality of webs
the web 28 in clips 31 at an angle so as to shorten the
art practices, the leather will dry relatively rapidly be
79 pass about cast 46 and are attached to a tensioning
cause of being covered only by a single layer of webbing. 70 means generally 80.
When the leather is fully dried a simple downward pres
The tensioning means'80 includes a thumb bolt 81 hav
sure on handle 25 will disengage crossbar 24 from one of
ing an operating wheel 82 ‘of a shape to be readily grasped
the end members, i.e. member 12 in FIGURE 1, after
by the ?ngers or hand. A tensioning block 83 is threaded
which the crossbar 24 is easily disengaged from the other
ly received on bolt 81 and carries an inner web holding
end member, i.e. member 11 in FIGURE 1. With cross
plate 84. The ends of web 79 are grasped between inner
3,045,266
holding plate 84 and a mating outer web holding plate
85. The two plates are drawn together by screws 86
which pass through openings in outer plate 85 and are
threaded into inner plate 84.
An opening 87 in the bottom of support member 76
is slightly larger than bolt 81 so that the bolt may ex
tend therethroughi The sides of the opening act as a
guide to align bolt 81 in a position normal to the longitu
dinal length of support member 76. A small centering
6
mold generally parallel to the |bar; a plurality of elongated
webs extending around the bar and mold and having
portions extending generally normal to said bar at op
posite sides thereof, said webs being in juxtaposition
along the length of the mold; a Wire-like loop means for
each of said webs and engaging said portions of the web,
said loop means having a relatively ?at surface at the
part thereof adjacent the pad to hold the portions of the
web engaged therewith flat across the width of‘the web;
recess 88 on the inside upper wall of support member 10 and a means engaging each loop means and the ‘frame to
76 provides a seat for the end of vbolt 81 and aids in the
vertical alignment of the bolt. It will be apparent to
those skilled in the art that by rotating handle wheel 82,
releasably tension the Web between said portions.
5. An arch support forming ?xture for use in molding
leather or the like to the shape of a mold, said ?xture
tensioning block 83 will ‘be moved up or down on bolt
comprising: a frame, said frame including a longitudinal
81, depending upon the direction of rotation. Of course, 15 bar narrower in Width than the width of the mold; re~
if there is any tendency of block 83 to turn, this should
silient pad means mounted on the bar to support the
be resisted by grasping the plates 84 and 85 with the
mold generally parallel to the bar; a plurality of elongated
hand other than that which is turning wheel 82. The
webs extending around the bar and mold and having
‘ movement of block 83 downwardly will tighten web 7?
portions extending generally normal to said bar at op
While the raising of the block will. slacken the web to
posite sides thereof, said webs being in juxtaposition
permit the insertion or removal of mold 46 and leather
along the length of the mold; a wire-like loop means for
45.
each of said webs and engaging said portions of the web,
The foregoing description of speci?c embodiments is
said loop means comprising four web ‘engaging members
for the purpose of complying with 35 USC 112 and
of the Width of the Web and formed of a continuous
should not be construed as imposing unnecessary limita 25 length of spring wire, each web portion being connected
tions on the appended claims inasmuch as modi?cations
to two adjacent engaging members respectively by ex
and variations therein will be apparent to those skilled in
tending in a loop about one member with both ends of
the art from the foregoing description.
I claim:
the loop passing about the side of the adjacent member
.
‘farthest from said mold; and a means engaging each loop
1. An arch support forming ?xture for use in molding 30 means and the frame to releasably tension the web be
leather or the like to the shape of a mold, said ?xture
tween said portions.
comprising: a frame; a member on said frame to support
6. An arch support forming ?xture for use in molding
said mold; a plurality of elongated webs passing over the
leatherv or the like to the shape of a mold, said ?xture
top of the mold on the said member and having por
comprising: a frame, said frame including a longitudinal
tions extending down about both sides thereof, said webs
bar narrower in width than the width of the mold; re
being in juxtaposition along at least a portion of the
silient pad means mounted on the bar to support the
length of the mold; and an individual tensioning means
mold generally parallel to the bar; a plurality of elongated
for each of said webs, each tensioning means including
means to engage the downwardly extending portions at a
webs extending around the bar and mold and having
portions extending generally normal to said bar at op
level below that of the mold with the portions closer 40 posite sides thereof, said webs being in juxtaposition
together at that level than is the part of the web about
along the length of the mold; a wire-like loop means for
the mold, said tensioning means being adapted to re
each of said webs and engaging said portions of the web,
leasably tension each web longitudinally thereof.
said loop means comprising four web engaging members
2. An arch support forming ?xture for use in molding
of the width of the web and formed of a continuous
leather or the like to the shape of a mold, said ?xture 45 length of spring wire, said wire forming centering apices
comprising: a frame; a member on said frame to support
opposite said engaging members, each web portion being
said mold; a plurality of elongated webs passing over the
connected to two adjacent engaging members respectively
top of the mold on the said member and having portions
by extending in a loop about one member with both ends
extending down about both sides thereof, said webs being
of the loop passing about the side of the adjacent member
in juxtaposition along at least a portion of the length 50 farthest from said mold; a spring having one end connected
of the mold; a relatively rigid engaging member for each
to said apices; and means connected to the other end of
of the webs, each engaging member having a horizontal
the spring and engageable with said frame at a series of
web engaging portion to receive and hold said portions
different distances from said mold, whereby the spring
of the web flat; and means connected to each engaging
may be tensioned for various sizes of molds.
member and to the frame to longitudinally tension the 55
7. An arch support forming ?xture for use in molding
web engaged therewith.
leather or the like to the shape of a mold, said ?xture
3. An arch support forming ?xture for use in mold~
comprising: a frame, said frame including a longitudinal
ing leather or the like to the shape of a mold, said ?xture
bar narrower in Width than the width of the mold; re
comprising: a frame, said frame including a longitudinal
silient pad means mounted on the bar to support the
bar narrower in width than the width of the mold; resil 60 mold generally parallel to the bar; a plurality .of elongated
ient pad means mounted on the bar to support the mold
webs extending around the bar and mold and having
generally parallel to the bar; a plurality of elongated
portions extending generally normal to said bar at op
webs extending around the bar and mold and having'
posite sides thereof, said webs being in juxtaposition
portions extending generally normal to said bar at oppo
along the length of the mold; a wire-like loop means for ,
site sides thereof, said webs being in juxtaposition along 65 each of said webs and engaging said portions of the web,
the length of the mold; and a tensioning means engaging
said 'loop means having a relatively flat surface at the
said portions of said webs and tensioning said webs in a
part thereof adjacent the pad to hold the portions of the
direction generally normal to said bar, said tensioning
Web engaged therewith ?at across the width of the web;
means being adapted to pull said webs inwardly against
and means connected to the loop means and engageable
at least a portion of the mold.
70 with said frame at a series of points spaced at various
4. An arch support forming ?xture for use in‘molding
distances from the mold and including a toggle joint to
leather or the like to the shape of a mold, said ?xture
tension the webs.
. comprising: a frame, said frame including a longitudinal
8. An arch support forming ?xture for use in molding
bar narrower in width than the width of the mold; re
leather or the like to the shape of a mold, said ?xture
silient pad means mounted on the bar to support the 75 comprising: a frame, said frame including a longitudinal
3,045,266
8
abutting a portion of said bar; and guide means on said
bar to align said bolt generally normal to said bar.
bar narrower in width than ‘the width of the mold; re
silient pad means mounted on the bar to support the
mold generally parallel to the bar; av plurality of elongated
References Cited in the ?le of this patent
webs extending around the bar and mold and having
portions extending generally normal to said bar at op
UNITED STATES PATENTS
posite sides thereof, said webs being in juxtaposition
along the length of the mold; a web tensioning member
for each Web and attached to each of the two portions
of the respective Webs, said tensioning member having a
threaded opening extending generally normal to said bar;
a thumb bolt threadedly received in said opening and
10
728,206
988,617
2,183,052
2,558,690
2,799,873
Crafts ______________ __ May 19,
Bair ________________ __ Apr. 4,
Sundberg ____________ __ Dec. 12,
Nile ________________ __ June 26,
1903
1911
1939
1951
Harrington __________ __ July 23, 1957
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