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Патент USA US3088578

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May 7, 1963
L. TROY
3,088,568
LOADING RAMP OR SKID FOR VEHICLES
Filed Nov. 50, 1960
Leonard Troy
INVENTOR
by% M‘RM
ATTORNEY
‘ice
United States Patent
2
1
increasing lug portions :14 which are struck-out from
intermediate portions of the portion 12.
The upper, intermediate surface of the portion 12 is
essentially ?at and merges at opposite longitudinal inner
and outer side margins 16 and 18, respectively, in a
thickened radius portion which will merge into the ad
jacent surface portions 20 and 22, respectively, of verti
cally extending upper wheel-guide and ramp reinforcing
webs .24 and 26. The webs 24 and 26 diverge from the
3,088,568
LOADING RAMP 0R SKID FOR VEHICLES
Leonard Troy, 5 Pen-y-Bryn Drive, Scranton, Pa.
Filed Nov. 30, 1960-, Ser. No. 72,718
9 Claims. (Cl. 193—38)
This invention relates generally to skids or ramps
particularly adapted for loading and unloading passenger
vehicles, trucks, farm tractors or the like on auto-haul
ing trailers, freight cars, etc.
10 upper surface of the portion v12 to facilitate nesting as
Load ramps or skids for loading vehicles should be
strong enough to support the loads which they are in~
tended to carry, yet light in weight, offer a minimum
of interference with the chassis of a vehicle moved there
over, provide guide means for the wheels of the vehicle, 15
and be readily stored.
illustrated in FIG. 2. Each of the webs 24 and 26 in,
cludes at the upper edges thereof, outwardly extending
thickened ?anges 28 and ‘30, respectively, and the inter
section therebetween includes a radius portion 32 and
34, respectively, to aid in the transmittal of internal
stresses. The flanges 28 and 30‘ respectively include mar
ginal reinforcing beads 36 and 38 which reinforce the
Due to the lowering of chassis-to-road clearance of
passenger vehicles in order to attain interior passenger
foot space and to attain a lower center of gravity, con
ventional loading ramps or skids have generally com
3,088,568
Patented May 7, 1963
member along its entire length.
Coplanar with the webs 24 and 26 at the inner and
20 outer marginal sides V116 and 18 of the wheel-receiving
portion 12 are lower, depending ?anges 40 ‘and 42, re
spectively, which converge beneath the portion 12 to
facilitate the previously mentioned nesting shown in FIG.
2. The lower surface 44 of portion 12 includes adja
ing ramps or skids have been found to require a rela 25 cent the inner and outer side margins, angularly extend—
ing reinforcing ?llets 46 and 48 which merge at a radius
tively deep section including excessively high side webs
prised an upwardly opening channel member which for
purposes of strength may be satisfactory yet failed to
provide versatility of use for loading different types of
vehicles. The conventional channel-member type load
portion '50 and 52 with the inner surface of the Webs 40
and ‘42, respectively. The webs 40 and 42 respectively
load to be carried, this causing an increase in weight,
include at radius portions 54 and '56, inwardly directed,
interference with the chassis of passenger vehicles and
30 thickened, lateral flanges 58 and 60 which terminate in
not being adaptable for storage and/ or shipping.
marginal bead portions 62 and 64, respectively.
The primary objects of the invention are to provide
The wheel-receiving portion 12 together with the webs
a novel loading ramp or skid construction affording
‘40, ‘42 and ?anges '58, 60 form an inverted channel which
versatility for use with different vehicles and providing
. in order to afford the required strength for the maximum
a maximum of strength and a minimum of vehicle-chas
has the desirable strength requirements and resistance
in which the novel loading ramps or skids may be nested
for transport on an auto haul-away vehicle when trans
It will be noted in FIG. 2 the manner in which the con
verging webs ‘40', 42 of an upper ramp are readily re
ceived in the upper diverging webs 2-4, 26 of an underly
sis interference, yet positively guiding the wheels of a 35 to bending about the longitudinal axis of the ramp or
skid 110, but which will in no Way cause interference
vehicle during loading and unloading, and further pro
with a vehicle chassis, or movement of a wheel.
viding a structure which may be readily stored, shipped,
The webs 24, 26 will aid to reinforce the ramp, but
and produced by Welding or extrusion.
will also function as means to guide vehicle wheels onto
Other objects and the nature and advantages of the
instant invention will become apparent from the follow 40 the ramp to provide a clear path of travel for the wheels,
facilitating nesting, and can be maintained low enough,
ing description taken in conjunction with the accompany
due to the strength afforded by portion 12 and webs 40,
ing drawings, wherein,
42 and ?anges 58, 60, to provide ample clearance with
.In the drawings:
the vehicle chassis. Additionally, the webs 24, 26 will
FIG. 1 is an isometric view of one embodiment of the
45 be maintained low enough to prevent damage to side
novel loading ramp or skid;
walls of tires, especially white side walls.
FIG. 2 is a vertical elevation illustrating the manner
ported;
ing ramp.
FIG. 3 is a side elevation, essentially diagrammatic,
‘Considering FIG. 3, the end portion of an auto haul
away vehicle is indicated generally at T and will have
parallel pairs of longitudinally aligned skid or ramp
showing the manner in which the loading ramps or skids
of the invention are used to load a passenger vehicle on
the rear portion of an auto haul-away trailer;
members 10 suitably supported thereon. The members
FIG. 4 is an enlarged fragmentary section taken sub
stantially on line 4—4 of FIG. 1, showing how integral 55 19 are intermediately supported by a suitable support
traction increasing means are formed on the loading ramp
or skid; and
FIG. 5 is a vertical elevation showing another em
bodiment of the novel loading ramp or skid, which re 60
duced the weight of the ramp or skid and shows by.
phantom lines how it accommodates dual-wheeled vehi
cles thereon.
Referring to the drawings in detail andconsidering
.FIG. 1, the novel loading ramp or skid comprises an elon
gated, unitary metal body member 10‘ which may .be
.readilymanufactured by extrusion ortwelding processes.
65
stand S ‘and the ramps 10 may be tapered at one end 66
to ‘conform with a support surface G. The vehicle P
may be readily driven up or down the loading ramps or
skids it) without interference from the upper webs of the
ramps.
The embodiment of FIG. 5 discloses a pair of novel
load ramps or skids indicated generally at 10' and which
will be used in the manner described ‘above relative to
FIG. 3.
Primed reference characters of ‘similar previouslyde
The body member 10 includes a transverse, horizontal
scribed structure are used in the description of the ramps
10’ of FIG. 5. The differential portion of ‘a vehicle is
indicated generally at D ‘and has operatively connected
wheel=receivingvportion 12 which issubstantially planar.
thereto tires T. Indicated generally at T’ by phantom
The wheel-receiving portion 12 has an open upper sur 70 lines are dual tires which would extend over the inner
margins of the ramps ill’. In this embodiment all of
face to facilitate ready movement of vehicle wheels
thereover and may include integrally formed, traction
the advantages mentioned above relative to FIGS. 1 and
3,088,568
4
v
2 would be afforded with the additional function of han
dling dual-Wheeled vehicles.
The ramp-s vlll’ include a wheel receiving portion 12'
vertically from said other side margin and coplanar with
the other lower web depending therebeneath, said set-?end
upper web terminating in an outwardly extending ?ange
including at one marginal side 18’ a vertical web 26'
along the length thereof.
which includes an outwardly extending ?ange 30' having
a marginal ‘bead 38'. Depending from the margin 18’
moving the vehicle between di?erent elevations compris
is a web 42’ coplanar with web 26' and terminating in
5-. A skid or ramp for use in supporting a vehicle when
ing an elongated unitary member functioning as a beam
and wheel guide means, said unitary member including a
transverse, substantially planar, horizontal, wheel-receive
30’ and 42', 60". A re 10 ing portion for receiving a vehicle wheel thereon, said
wheel-receiving portion including opposed inner and outer
between portion 12 and
side margins, a pair of lower webs extending the length
of said member and depending from said side margins,
16' there is included a
said lower webs including lowermarginal and laterally
and the web 40’ includes
extending flanges along the length of said webs fof rein
van inwardly extending marginal ?ange 6%)’ having a mar
ginal bead 64’ Radius portions 34-’ and 56’ ‘are provided
between webs and ?anges 26",
inforcing ?llet 48' is provided
web 42.’.
At the inner marginal side
depending web 4%’, a ?llet 46',
an inwardly extending ?ange 58’ terminating in a mar 15
forcing said member ‘against bending about its longitudi~
ginal bead 62’. The structure of the embodiment of
nal axis, an upper web extending the length of said mem
FIG. 5 is substantially the same as that of FIG. 8 ex
ber and vertically from one of said side margins and
cept the web 24 has been removed for the purpose men—
coplanar with the lower web depending from said side
tioned above.
margin, said upper web terminating in an outwardly
Thus there has been disclosed a vehicle ramp or skid
which affords the best possible combination of light
weight, low cost of manufacture, strength, clearances be
tween the loading ramp and vehicle chassis, ‘guidance for
tires without injury to sidewalls, stiffness and e?icient
storage during transport.
It will be obvious to those skilled in the art that various
changes may be made Without departing from the spirit
of the invention ‘and therefore the invention is not limited
to ‘what is shown in the drawings or described in the speci_
iication, but only as indicated in the appended claims.
What is claimed is:
‘
l. A skid or ramp for use in supporting a vehicle when
moving the vehicle between different elevations compris
ing an elongated unitary extruded member functioning
extending ?ange along the length thereof for permitting
the entire wheel-receiving portion to be exposed, said
upper web functioning to guide a wheel onto said planar,
horizontal, wheel-receiving portion and aiding to pre
25 vent bending of said member about its longitudinal axis,
and a second upper web extending the length of said mem=
ber and vertically from said other side margin and co=
planar with the other lower web depending therebeneath,
said second upper web terminating in an outwardly ex
tending flange along the length thereof, said laterally ex
tending ?anges on said lower webs being directed inward
ly beneath and below said wheel-receiving portion.
6. -A skid or ramp for use in supporting a vehicle when
moving the vehicle between different elevations compris
ing an elongated unitary member functioning as a beam
as a beam and wheel guide means, said unitary member 35 and wheel guide means, said unitary member including
including a transverse, substantially planar, horizontal,
wheel-receiving portion for receiving a vehicle wheel
a transverse, substantially planar, horizontal, wheel-re
ceiving portion for receiving a vehicle wheel thereon, said
thereon, said wheelereceiving portion including opposed
wheel-receiving portion including opposed inner and out
inner and outer side margins, a pair of lower webs extend
er side margins, a pair of lower webs extending the length
40
ing the length of said member and depending from said
of said member and depending from said side margins,
side margins, said lower webs including lower marginal
said lower webs including lower marginal and laterally
and laterally-extending ?anges ‘along the length of said
extending ?anges along the length of said webs for rein
webs and in spaced parallel relation to said wheel-receiv
forcing said member against bending about its longitudi
ing portion for reinforcing said member ‘against bending
nal axis, an upper web extending the length of said mem
about its longitudinal axis, ‘at least one upper web extend 45 ber and vertically from one ‘of said side margins and co
ing the length of said member and vertically from one
planar with the lower web depending from said side mar~
of said side margins and coplanar with the lower web
gin, said upper web terminating in an outwardly extend
depending from said one side margin, said upper web
terminating in an outwardly extending ?ange ‘along the
length thereof for permitting the entire wheel-receiving
portion to be exposed, said upper web functioning to
guide a wheel onto said planar, horizontal, wheel-receiv
.ing portion and aiding to prevent bending of said mem
ber about its longitudinal axis, said laterally extending
ing ?ange along the length thereof for permitting the en
tire wheel-receiving portion to be exposed, said upper
50 web functioning to guide a wheel onto said planar, hori
zontal, wheel-receiving portion and aiding to prevent
bending of said member about its longitudinal axis, and
a second upper web extending the length of said member
and vertically from said other side margin and coplanar
t?anges on said lower webs being directed inwardly be 55 with the other lower web depending therebeneath, said
second upper web terminating in an outwardly extending
neath and below said wheel-receiving portion, said lower
?ange along the length thereof, said wheel-receiving por
webs converging inwardly in angular relation to and
beneath said wheel receiving portion to permit a plurality, I tion including integral, upwardly extending traction-in
creasing portions formed from intermediate, upwardly dis
of said members to be nested.
2. A skid or ramp as set forth in claim 1 wherein said 60 placed portions of said wheel-receiving portion.
7. A skid or ramp for use in supporting a vehicle when
laterally extending ?anges terminate in an ‘enlarged mar
ginal bead portion reinforcing said ?anges ‘along their
entire length.
3. A skid or ramp as set ‘forth in claim 1 wherein said
moving the vehicle between different elevations compris
ing an elongated unitary member functioning as a beam
and wheel guide means, said unitary member including a
wheel receiving portion includes reinforcing ?llet por 65 transverse, substantially planar, horizontal, wheel-receiv
ing portion for receiving a vehicle wheel thereon, said
tions extending downwardly and angularly from the
wheel-receiving portion including opposed inner and outer
, lower end surface of said wheel-receiving portion merging
side margins, a pair of lower webs extending the length
into said depending webs in a radius portion, the upper
of said member and depending from said side margins,
surface of said wheel-receiving portion merging into the
said lower webs including lower marginal and laterally
adjacent surface of said upper web in ‘a radius portion,
extending ?anges along the length of said webs for rein
each of the external edges of said ramp member includ
forcing said member against bending about its longitudinal
ing radius portions to equalize ‘and distribute internal
stresses on said member when it is loaded.
4. A skid or ramp as set forth in claim 1 wherein a
axis, an upper web extending the length of said mem
ber and vertically from one of said side margins and co
second upper web extends the length of said member and 75 planar with the lower web depending from said side mar
3,088,568
5
gin, said upper web terminating in an ‘outwardly extend
ing ?ange along the length thereof for permitting the en
tire wheel-receiving portion to be exposed, said upper
web functioning to guide a wheel onto said planar, hori
zontal, wheel-receving portion and aiding to prevent bend
ing of said member about its longitudinal axis, and a
second upper web extending ‘the length of said member
and vertically from said other side margin and coplanar
with the other lower web depending therebeneath, said
6
wheel moving the vehicle between ditferent elevations
comprising an elongated unitary member functioning as a
beam and wheel guide means, said unitary member in
cluding a transverse, substantially planar, horizontal,
wheel-receiving portion for receiving a vehicle wheel there
on, said wheel-receiving portion including opposed inner
and outer side margins, a pair of lower webs extending
the length of said member and depending from said side
margins, said lower webs including lower marginal and
second upper web terminating in an outwardly extending 10 laterally-extending ?anges along the length of said webs
?ange along the length thereof, said laterally extending
for reinforcing said member against bending about its
?anges on said lower webs being directed inwardly be
neath and below said wheel-receiving portion, said lower
longitudinal axis, an upper web extending the length of
said member and vertically from one of said side margins
Webs converging inwardly beneath said wheel-receiving
and coplanar with the lower web depending from said
portion to permit said members to be nested within an 15 side margin, said upper web terminating in an outwardly
underlying ramp member.
extending ?ange along the length thereof for permitting
‘8. A skid or ramp for use in supporting a vehicle when
the entire wheel-receiving portion to be exposed, said
moving the vehicle between diiferent elevations comprising
upper web ‘functioning to guide a wheel onto said planar,
an elongated unitary member functioning as a beam and
horizontal, wheel-receiving portion and aiding to prevent
wheel guide means, said unitary member including a 20 bending of said member about its longitudinal axis, and
transverse, substantially planar, horizontal, wheel-receiv
a second upper web’ extending the length of said member
ing portion for receiving a vehicle wheel thereon, said
and vertically from said other side margin and coplanar
wheel-receiving portion including opposed inner and outer
With the other lower web depending therebeneath, said
side margins, a pair of lower Webs extending the length
second upper web terminating in an outwardly extending
of said member and depending from said side margins, 25 ?ange along the length thereof, said wheel receiving por
said lower webs including lower marginal and laterally
extending ?anges along the'le-ngth of said webs for rein
forcing said member against bending about its longitudi
tion including reinforcing ?llet portions extending down
wardly and angularly from the lower end surface of said
wheel-receiving portion merging into said depending webs
nal axis, an upper web extending the length of said mem
her and vertically from one of said side margins and co 30 in a radius portion, the upper surface of said wheel-re
ceiving portion merging into the adjacent surface of said
planar with the lower web depending from said side mar
upper web in a radius portion, each of the external edges
gin, said upper web terminating in an outwardly extend
of said ramp member including radius portions to equalize
entire wheel-receiving portion to be exposed, said upper
and distribute internal stresses on said member when it is
web functioning to guide a wheel onto said planar, hori 35 loaded.
zontal, wheel-receiving portion and aiding to prevent
References Cited in the ?le of this patent
bending of said member about its longitudinal axis, and
a second upper web extending the length of said member
UNITED STATES PATENTS
and vertically from said other side margin and coplanar
Francis ____________ __ Dec. 16, 1941
with the other lower web depending therebeneath, said a; o 2,266,543
2,516,407
Mullen ____________ __ July 25, 1950
second upper web terminating in an outwardly extending
ing ?ange along the length thereof for permitting the
?ange along the length thereof, said laterally extending
2,836,277
Stuart ______________ .._ May 27, 1958
548,509
Canada ______________ __ Nov. 5, 1957
?anges terminating in an enlarged marginal bead portion
FOREIGN PATENTS
reinforcing said ?anges along their entire length.
9. A skid or ramp for use in supporting a vehicle 45
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