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Патент USA US2137935

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Nov. 22, 193%.
P. E. WIMMENAUER
2,137,935
ANTISKID DEVICE
Filed Dec. 16, 1937
2 Sheets-Sheet
‘
1
Invenim
Paw/E 1475mm end/we,’
Bypémwmy.
X1 iiorneys
Nov. 22, 1938.
P. E. WIMMENAUER
2,137,935
ANTISKID DEVICE
Filed Dec. 16, 1937
2 Sheets-Sheet
2
2""
A9
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‘
Inventor
732w! E mmmencuoer
Patented Nov. 22, 1938
‘ 2,137,935
UNITED STATES PATENT OFFICE
2,137,935
ANTISKID DEVICE
Paul E. Wimmenauer, Washington, Ind.
Application December 16, 1937, Serial No. 180,253
1 Claim.
My invention relates to improvements in anti
skid devices for attachment to the soles of shoes
to obviate slipping on icy pavements or other
slippery surfaces.
The invention is designed with the particular
‘ purpose in view of providing an ef?cient, durable
and inexpensive attachment of the character
above indicated which may be quickly and se
curely attached to shoe soles and detached there
10 from, made in different sizes to ?t different sizes
of shoe soles and will not mar or otherwise in
jure the shoe sole to which it is attached.
To the accomplishment of the above and sub
ordinate objects presently appearing a preferred
15 embodiment of my invention has been illustrated
in the accompanying drawings, set forth in detail
in the succeeding description, and de?ned in the
claim appended hereto.
In said drawings:—
20
Figure 1 is a view in side elevation of a shoe
equipped with my improved anti-skid device,
Figure 2 is a view in bottom plan,
Figure 3 is a View in perspective of one of the
calks,
25
Figure 4 is a view in top plan of the device de
tached,
‘
Figure 5 is a view of the stud for the coupling
shown in perspective,
Figure 6 is a similar view of the bracket for
30 connecting the coupling to the auxiliary sole, and
Figure 7 is a view in perspective of one of the
toe clips.
Referring to the drawings by numerals, the
anti-skid device of my invention comprises an
35 auxiliary half-sole I for attachment to the bot
tom of a shoe sole and which may be made of any
suitable material such as composition rubber,
leather, or the like, in the different contours and
sizes of the soles of different sizes of shoes to ?t
40 flush thereagainst. The auxiliary sole is pro
4
vided with a plurality of stud-like calks 2 ex
tending from the bottom thereof and arranged
preferably in transversely extending rows in any
desired spacing in each row suitable to prevent
slipping. The calks 2 are a particular feature of
my invention. Each calk 2 comprises a tubular
longitudinally split shank 3 extending through
brazed to the head of a cut-off nail forming the
flange 4 and spur 5.
The auxiliary sole I is detachably secured to
the sole ‘I of a shoe as follows. A pair of toe
clips 8 of resilient ?at metal are secured to the 5
top of the auxiliary sole I, as by copper rivets 9,
to extend forwardly from the toe III thereof upon
opposite sides of the longitudinal center of said
sole I, said clips 8 having hooked front ends 8'
adapted to take rearwardly over and grip the toe 10
part of the shoe sole ‘I upon opposite sides of said
toe part. At the rear edge III’ of the auxiliary
sole I, which is made straight, is a tubular brack
et I I secured along said edge ID’ by means of cars
I2 extending from the same adjacent opposite 15
ends thereof, respectively, and riveted, as at III,
to the top of said sole I. Extending from the
bracket II is a bail-like coupling I4 of resilient
wire and bellows-like form having at one end
thereof opposed terminal legs I5 journalled in 20
opposite ends of the bracket I I, zigzag sides I6,
and a loop I‘! at its opposite end. The coupling
I4, as will berunderstood, is adapted to lie flat in
the instep part of the shoe and to be connected
thereto in a tensioned condition to pull the clips 25
8 tight and anchor the device in ?xed position.
For connecting the coupling I4, a headed stud
I8 is secured to the instep part of the shoe sole
‘I, said stud I8 having a base plate I9 nailed, as at
20, to said shoe sole ‘I.
30
As will now be seen the described coupling I4
exerts a tension against the auxiliary sole I rear
wardly and su?icient to retain the clips 8 in position and together with said clips secure the aux
iliary sole in position while at the same time by 35
pulling rearwardly on the coupling I4 the latter
may be detached from the studs I8 and the device
quickly removed by pushing forward to detach
the clips 8.
The foregoing will, it is believed, suffice to im- 40
part a clear understanding of the invention
without further explanation.
Manifestly the invention as described is suscep
tible of modi?cation without departing from the
inventive concept and right is herein reserved to 45
all such modi?cations falling within the scope of
the subjoined claim.
'
I over a burr 6 indicated in dotted line in Figure
What I claim is:
An anti-skid device for attachment to the sole
of a shoe comprising an auxiliary half-sole hav- 50
ing calks extending from the bottom thereof, a
pair of toe clips secured to the toe part of said
auxiliary sole to extend therefrom upon opposite
4. Preferably the described calk 2 is formed by
65 a split copper rivet comprising the shank 3
hooked front ends adapted to take over the 56
the auxiliary sole I, a circular ?ange 4 abutting
50 the bottom of the sole I and a ground engaging
solid cylindrical spur 5. The shank 3 is riveted
in the usual manner on the upper side of the sole
sides of said toe part, respectively, and having
2‘
‘
"
2,137,935
toe part of the shoe sole, and means to couple
the rear edge of said auxiliary sole to the instep
part of the shoe sole, said means exerting a ten
sion rearwardly on said auxiliary sole and com
5 prising a stud secured to said instep part, and a
bail-like coupling of resilient wire and bellows
form pivoted to the rear edge of said auxiliary
sole and hooking over said stud, said coupling 1y
ing ?at in said instep part to function as an anti
skid device therein.
PAUL E. W'IMIVIENAUER.
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