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Патент USA US2404402

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July 23, 1946. '
E.- PORTER
'
SKI RUNNER
Filed vJuly 23, l1943
v2,404,402
Patented July 2.3, ,19.46
`
2,404,402
_ _UNITED *'¿srATJEs ., PArsNr * oFFicE `
4 v Edward Porter, Akron,
Ohio, assignor >of' two-`
twentieths to Alvin W. Larson, Akron, Ohio
Application July 23, 1943, serial No. 495,907
8` Claims.
(Cl. 280-28)
'I'his invention relates to ski'runners and has
ject of the invention to provide a ski runner of a
type to facilitate the travel of a vehicle over a
The side or longitudinal marginal ïportions of
the runner I are provided with the upstanding
flanges 4 which serve to strengthen or reinforce
the runner l vand these flanges 4 extend from the
extreme front end of the runner l to the extreme
deep snow terrain.
rear end thereof.
relation more 'particularly to devices of this kind
especially designed and adapted for use with 'vehi
cles of a power driven type and it is a primary ob
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At required points intermediate the ends there
of the flanges 4 are provided with the upstanding
It is 4also Aan object of the »invention to provide
a ski runner with means at its forward portion
to »facilitate passage through a snow drift and
wherein the rear or heel portion of the runner
bracket plates `5 or ythe like to provide means
whereby the ski runner-is'operatively applied to
is provided'with 'means to-facilitate backing up
the vehicle with "which it‘is‘to be employed. As
of the runner.
the mounting of the ski runner forms no part of
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the present invention, a detailed-description and
v A still further object of the invention is to pro
illustration of such a mounting is not. believed
vide a ski runner which is light inweight but
15
constructed in a manner tol assure requisite
strength.
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y.
The, runner i has pressed therefrom oiuother
wise formed the transversely spaced ribs 6, shown
An additional object ofthe invention is to pro
as two in number. and which extend lengthwise
vide a runner of. this kind including effective
of the runner l lfrom points forwardly `of the
means to prevent side slippage or lateral skidding
to assure straight ahead travel over a snow ter 20 longitudinal> center of the runner l to the.A heel
3. VEach of these ribs, as herein comprised, is
necessary.
rain.
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yV-shaped in cross section at all points therealong
with the apex thereof downwardly directed and
as is .illustrated in Figure 1 ofthe drawing, each
of the ribs continuously `increases in depth from
“il” at its forward end to a point closely adjacent
.The'invention will best be understood from a
consideration of the following ‘detailed descrip
tiontaken'in connection with the accompanying
drawing,~it being understood, however, that the
invention is not to be considered as limited by
to the heel 3.
the speciñc'. illustration or description but that `
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vResting upon the runnerl and extending from
such illustration and description constitute a pre
ferred embodiment of the invention.
In the drawing:
30
Figure 1 is a view in side elevation of a ski
runner constructed in accordance with an em
substantially one end to the other are the. rein-4r
forcing members 1 of light weight steel alloy or
other comparatively light material. These mem
bers 1 are L-shape in cross section with their foot
ñanges a contacting the runner l and their leg
flanges b upwardly disposed. As herein em
Figure 2 is a sectional view substantially on
the line 2_2 of Figure 1, looking in the direction 35
l bodied, the leg flanges b of adjacent members 1
of the arrows:
abut and the sum of the lengths of the foot ñanges
a equals the space between the flanges 4.
Figure 3 is a sectional view taken substantially
on the line 3-3 of Figure ,1, looking in `the di
The upper edges of the leg flanges b of the
rection of the arrows;
members 1 are substantially hush with the upper
Figure 4 is a transverse sectional- view taken 40 edges of the flanges 4 of the runner l and dis
bodiment of the invention;
through a ski runner constructed in accordance
with another embodiment of the invention.
In the embodiment of the invention as illus
trated in Figures 1 to 3 of the drawing, l denotes
an elongated runner preferably of a light weight
posed over the runner l and resting from above
on the upper edges of the legs b of the members
1 and the upper edges of the flanges 4 is a cover
sheet or plate 8. This sheet or plate 8 is of a
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alloy or other equally light
weight material and is preferably of slight thick
ness. The side marginal portions of the sheet
>or plate 8 overlap, as at 9, the outer face of the
upper portions of
over a snow terrain
thereof is disposed upwardly on a short radius
-to provide a heel 3 to facilitate backing up of
the runner and more especially when the snow
terrain is deep.
the flanges 4 and are welded.
50 or otherwise secured.
l
The forward end portion of the sheet or plate
8, or that portion overlying the forwardly up
wardly disposed portion
2 of the runner I. is provided at its transverse center with an up- t
55 standing blade I0, which provides means to facili
2,404,402
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the bottom face of the body being ilat, and a rib
depending from said bottom face and extending
from the start of the up-curve at the forward end
rearwardly to the end of the up-curve at the
tate travel of the runner should the same pene
trate a ysnow drift or the like. As is clearly shown
in Figure 1 of the drawing, the upper or working
.edge c of this blade I0 is arranged on an upward
curvature.
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rear end.
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4. A ski as set forth in claim 3, in which said
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rib is of gradually and constantly increasing
depth from its forward end to the beginning of
To facilitate raising of the forward portion of
the runner I when in a snow drift or the like
¿and to prevent packing of snow along opposite
âsides 0f
blade. there are previded at eppesite
the rip-purve at the rear end,
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V5. A ski comflrising a longhollow ybody, and
sides of the blade II! the downwardly and ont: 10 tubular reenforcing members therein in contact
`Wardly curved aprons or plates I I, These aprons
side by side relation one with the other and
`or plates II are prefereably ofY thin light metal' » VWitl'i opposite sides ofthe body and extending
`and Welded into place and such aprons or plates
. I I extend outwardly and laterally from the blade
1 I0 at a point materiallybelow Íthe upper Aor work.
longitudinally of the body.
1.5
. ing edge c of the blade.
In the embodiment of the -invennqp @s inns,
.61 A ski comprising a long hollow body having
a flat .bottoni portion, upstanding side portions .
and .a »top portion connecting the side portions, a
substantial portion of the body at one end curv
ï trated in Figure 4, the runner` I2 at its‘transv'erse
ing upwardly and being of gradually decreasing
center is provided with a single depending rib
height from the beginning of the up-curve to the
`which serves as a rudder or stabilizing element 20
ß _el the first. embodiment
the »dame as the r ibs
nner i12. are the longitudinally
‘ Resting-.upon the..
adiagent end. .9i :the bedr
.lengitgdinally .Off
gestand-ing .rib .Se
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l extending _light wereht alloyst .l .tenes I.5.shown
and agr-.Qns einen „ -s
. asiour. and interposed hstiveenthe pai-.rs of tildes ` from the .ton edge _Qi sa „
25
i „l5 is asnacer element lli. held in glade
length Qff
blade te .and
desired manner as indicated at IL ,_
top portion,
.d
Lclaim: '
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ngrftion tlnsonslgo
o
daniel ne een `
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set .tenth .in .claim „6. with .depend
.1. _Aski
comprising ,an elongated -?lat run.
ing rib eidenddne .lengthwise .of the ~. trom . face .»
«. ner having .an @inwardly curved lforward end,y
oi .said bottoni Partien
.the legging.
i elongated;r elements ¿resting .upon _the runner -in 30 nnfsnrve .of said iemand .end portion ¿to the rear .
abutting .side ,by side relation .and .eonering the
end of. :the bottom portion. the rib beinglni' grad
ually and constantly increasing depth from the
maior width .of >the runner, means >holding the
runner and .elementsin assembly, and a rib de- .
pending from .t `e runner.l and .extending wlength
forward ,end through the. maiorextentnf ¿the
bottom portion..
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wise thereof, said rib starting at and ¿pr-.ogres-- 3.5.
d.' d ski .as set forth _in L.clal'lm i6, .with a `depende
sively increasing »in depth from .the'beginning of ,
ing rib extending lengthwise of the bottom dane
thecnrveof .the-:iorward end.
.
of said bottom portion from iheheginningiof `the
. .
2. Ask-i. unit ,comprising .an elongated dat run.
ner having an ,upwardly .curyied forward end, „a
cover ,plate overlying and coupled with the rune, .
ner, an ilpstanding blade .upon the top I.of the
coi/ler .plate „and .atlthe íorivard .end of the ski at
substantially ‘the longitudinal ,centerof .the ski,
and aprons .extending downwardly .and .laterally
1in-.ouwe Qisaid .forward en'd portion to t.the rear
endiof .the `bottom portion; the rib being Aof .grade
ually vand constantly increasing „depth from .the
forward end through the major extent of .the
bottom portion, the rearendof the body'Y having
a _short ,upecnnved portion ,and Asaid rib .being .con
tiniied v.in .graduallydecreasing .depth through .the
from the upper Jedge lportion „of the blade to .the
longitudinal extent .of .said .short npfcurN-.ed .rear
cover plate.
endpo'stion.
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3. A ski comprising a long flat body having .a
substantial portion of „one .endlcumed ¿inwardly
and having la Vshort Lun-surged rear end portion,
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Banana..
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