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Патент USA US2404402

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July 23, 1946. '
Filed vJuly 23, l1943
Patented July 2.3, ,19.46
_ _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
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
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
constructed in a manner tol assure requisite
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
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 `
vResting upon the runnerl and extending from
such illustration and description constitute a pre
ferred embodiment of the invention.
In the drawing:
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
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.
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
» _.
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
rear end.
4. A ski as set forth in claim 3, in which said
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,
.- -«
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.
. 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
l extending _light wereht alloyst .l .tenes I.5.shown
and agr-.Qns einen „ -s
. asiour. and interposed hstiveenthe of tildes ` from the .ton edge _Qi sa „
i „l5 is asnacer element lli. held in glade
length Qff
blade te .and
desired manner as indicated at IL ,_
top portion,
Lclaim: '
ngrftion tlnsonslgo
daniel ne een `
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..
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 .graduallydecreasing .depth through .the
from the upper Jedge lportion „of the blade to .the
longitudinal extent .of .said .short npfcurN-.ed .rear
cover plate.
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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