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Патент USA US3057450

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Oct. 9, 1962
E. SOMMEléER
3,057,437
SUPPORTING STRUCTURE FOR USE IN
INSPECTION PITS OR THE LIKE
Filed March 25, 1960
5 Sheets-Sheet 1
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INVENTOR
Eric/7 Sommerer
BY
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ATTORNEYS
Oct. 9, 1962
E. SOMMERER
3,057,437
SUPPORTING STRUCTURE FOR USE IN
INSPECTION PITS OR THE LIKE
Filed March 25, 1960
425'
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5 Sheets~$heet 2
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INVENTOR
E/‘CC/J Sam/warm
BY
ATTORNEYS
Oct. 9, 1962
E. SOMMERER
3,057,437
SUPPORTING STRUCTURE FOR USE IN
INSPECTION PITS OR THE LIKE
Filed March 25, 1960
5 Sheets-Sheet’ 3
\i “ON
Z
INVENTOR
Eric/1 5ommerer
BY Muck/ab;
ATTORNEYS
Oct. 9, 1962
|-:. SOMMERER
SUPPORTING STRUCTURE FOR USE IN
3,057,437
INSPECTION PITS OR THE LIKE
Filed March 25, 1960
5 Sheets-Sheet 4
£142
INVENTOR
frlc? Sommera /1
BY
‘
3- é?LQ/L
ATTORNEYS
'
Oct. 9, 1962
E. SOMMERER
SUPPORTING STRUCTURE FOR USE IN
3,057,437
INSPECTION PITS OR THE LIKE
Filed March 25, 1960
5 Sheets-Sheet 5
INVENTOR.
E/‘Lcb Somme/tr
A TTQ rlNe 55
United States, ate'nt
1
3,ll57,437
Patented Oct. 9, 1962
2
ment showing an additional transverse girder for the
3,057,437
SUPPORTING STRUCTURE FOR USE IN INSPEC
TION PITS OR THE LIKE
Erich Sommerer, 52/54 Boblingerstrasse, Stuttgart
Vaihingen, Germany
Filed Mar. 25, 1960, Ser. No. 17,531
9 Claims. (Cl. 187—8.43)
This invention relates to supporting structures, and
support of the supporting columns, and
FIG. 7 is a side elevational view of the embodiment
shown in FIG. 6.
FIGS. 1 to 3 show a supporting frame which consists
substantially of two parallel horizontally spaced trans
verse girders 1 of, for example, U-shaped or box-like
cross section which girders are interconnected at either
end by means of a supporting plate 2. These supporting
more speci?cally to a structure for supporting a vehicle 10 plates 2 are arranged to slidably rest on a trackway 3 for
of any type standing over an inspection pit.
a lifting device 4 movable lengthwise of and within an
Such supporting structures are known. They are gen
erally used when the vehicle is intended to be kept at a
inspection pit G, the trackway 3 being formed of angle
external frame pieces or the like.
tion of a pin 11 which comes to rest against the upper
irons or ?at irons and provided with protective sheet
metal plates 18 as shown. The vehicle lifting device 4
certain level above the ground for a relatively long period
of time and the lifting jack or lifting device arranged to 15 travels interiorly of the supporting plates 2.
Placed on the two transverse girders 1 are two socket
be movable lengthwise of and within the inspection pit
like base members 5 each having a central guide sleeve 6
is to be made available for other lifting operations. Such
in which a column 8 provided with a vehicle engaging
supporting structures are also frequently used when the
rest 7 is adjustable in height. To this end each column 8
vehicle is to be supported at places lying outside the
operating range of the lifting device, for example, at the 20 is provided with pairs of through bores 10 for the recep
edge of the guide sleeve 6. It is expedient to make the
distances between the individual pairs of through bores
10 differing from each other and for instance, larger
sectional irons, and a supporting column adjustably ar
ranged therein and provided at the top with a vehicle 25 toward the upper end of each column 8.
Both base members 5 can be moved independently of
engaging rest.
each other on the transverse girders 1 and to this end,
Supporting structures of this type, if they are to be
the under-sides thereof are provided with two guide mem
stable, will naturally require an adequate supporting sur
bers 9 which extend normal and up to the transverse
face which, however, is not always available in inspection
girders 1.
pits. It is, therefore, frequently necessary to lie boards
These known supporting structures usually consist of
a round or square pedestal which is cast or made from
The level of the transverse girders 1 as well as that
of the lowest position of a lifting rod 24 associated with
the vehicle lifting device 4 is so chosen that the lifting
device can be moved underneath the supporting frame
to the person working in the inspection pit.
To eliminate these disadvantages the present invention 35 from one side to the other side thereof.
For jacking up a vehicle F the lifting device 4 and the
provides a supporting structure which comprises at least
supporting frame are moved, for example, under the rear
one supporting frame provided with at least one ver
axle of the vehicle in such a manner that the lifting device
tically adjustable supporting column raisable only in un
will occupy a position underneath the Supporting frame
loaded state and provided with a vehicle engaging rest,
said supporting frame extending transversely across the at) and the lifting rod 24 can pass through said frame and
lift the vehicle. The columns 8 of the supporting frame
inspection pit and being lengthwise movable thereon. The
are then pulled out to the desired height and secured by
lifting device is movable underneath the supporting frame
means
of the pins 11, whereupon the vehicle is lowered
within the inspection pit.
The supporting columns are independently movable 45 up to the vehicle engaging rests 7 so as to be supported
by the supporting frame.
transversely on the supporting frame so that the places
Normally two such supporting frames are provided for
on the vehicle to be supported can be chosen at will and
across the pit so that the vehicle F can completely be sup
the supporting structure can engage any place on the
ported and the lifting device be made available for other
bottom side of the vehicle both longitudinally of the
or planks across the pit in order to provide a base for
the supporting structures. This measure is not only cum
bersome but also involves a more or less heavy hindrance
vehicle and in the transverse extent thereof. ,
In connection with the lifting device the novel support
ing structure permits any vehicle standing over an inspec
tion pit to be supported in a simple, safe and easy manner
at any height and in any position and lowered in a similar
manner whereby an increased reliability of operation 55
and a considerable economy of working time are effected.
Several preferred embodiments of the invention will
now be described by way of example and with reference
to the accompanying drawings, in which:
lifting or lowering operations.
Instead of a sliding motion of the supporting frame
also a rolling one may be provided for, as shown in FIGS.
4 and 5. This arrangement is suitable for inspection pits
in which, for instance, wide ?anged double-T-girders 12
are used as a trackway. In this case the lifting device 4
travels on the lower ?anges of the girders 12 whereas the
supporting frame travels on the upper ?anges or on L
straps 13 mounted on these upper ?anges.
Instead of
the supporting plates 2 angular supporting members 14
are arranged at the ends of the transverse girders 1.
FIG. 1 is an elevational view of a supporting frame
arranged in an inspection pit equipped with a lifting 60 These angular supporting members 14 each serve to sup
device;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a top plan view of the supporting frame
port two rollers 15 which directly roll on the upper ?anges
of the girder 12 or on the L-straps 13 which may be
mounted thereon, if desired.
To prevent the supporting frame from tipping, the angu
65 lar supporting members 14 have angle plates 16 secured,
FIG. 4 is an elevational view of another embodiment
preferably screwed, thereto which engage over the outer
of the supporting frame showing same as supported on
edges of the girders 12 and of the L-straps 13, respectively.
rollers;
According to the embodiment of the invention shown in
FIG. 5 is a side elevational view of an arrangement with
FIGS. 6 and 7 it is also made possible to support the
two roller-supported supporting frames and a lifting
70 frames of particularly broad vehicles. To this end, an
device;
intermediate piece 17 is employed which consists of two
FIG. 6 is an elevational view of still another embodi
shown in FIG. 1;
3,057,437
3
4
interconnected crossbeams 19 having two tubular elements
23 arranged on the bottom side thereof, and two base
at the top of the inspection pit can pass through between
said transverse girders.
4. A supporting structure as claimed in claim 2, wherein
the transverse girders are interconnected by vertical sup
plates 20 to move on the crossbeams 19. The supporting
columns 8 are inserted in guide sleeves 21 of these base
plates 20 and secured by means of the pins 11 at any de
porting plates mounted at the ends thereof, said supporting
plates having lower edges constituting sliding members to
sired height. To prevent the base plates 20 carrying the
columns 8 from tipping, the base plates 20 are provided
move the supporting frame on the trackway of the lifting
device.
at either side with claws 22 engaging over the lower
edges of the crossbeams 19.
5. A supporting structure, particularly for vehicles, for
The intermediate piece 17 can be used both in sliding 10 use in an inspection pit, comprising in combination with
and rolling supporting frames and the breadth thereof is so
a lifting device, means constituting trackways supporting
chosen that even in the case of narrow inspection pits the
frames of broad vehicles are allowed to be supported.
In use, merely the columns 8 have to be pulled out of the
base members 5 and in place thereof the tubular elements 15
23 of the intermediate piece 17 inserted into the guide
sleeves ‘6 of the base plates 5. The supporting columns 8
said lifting device for movement in the longitudinal direc
tion within said inspection pit, at least one separate sup
porting frame having two parallel horizontally spaced
transverse girders, angular supporting members intercon
necting said girders, rollers carried by said angular sup
porting members, socket-like base members caried by said
girders, vertically movable columns carried by said base
20 of the intermediate piece 17 and after the lifting of the
members and vehicle-engaging rests upon the upper ends
vehicle, adjusted to the desired height and secured by 20 of said vertically movable columns; and means constituting
means of the pins 11. The two crossbeams 19 of the inter
trackways extending above the ?rst-mentioned trackways
mediate piece 17 are likewise so broadly spaced apart that
and supporting said rollers.
the lifting rod 24 of the lifting device 4 can pass through
6. A supporting structure as claimed in claim 2, wherein
between the crossbeams 19.
an intermediate piece is provided to be inserted in the base
The supporting frames may, of course, be assembled 25 members and enables the supporting columns to be moved
now available for use are then inserted into the base plates
from other sectional steels or may be partially or entirely
transversely apart to a greater extent.
composed of cast or forged pieces the outer shape of which
7. A supporting structure, particularly for vehicles, for
may be chosen at will within the scope of the present
use in an inspection pit, comprising in combination with a
invention.
movable lifting device, at least one separate movable sup
The vehicle lifting device is vertically adjustable 30 porting frame extending across said inspection pit and
preferably hydraulically by means of a hand pump or a
movable independently of said lifting device along said
inspection pit, said supporting frame comprising two
parallel horizontally spaced interconnected transverse
motor drive. The motion of the lifting device across the
length of the inspection pit is effected by hand.
The invention may be embodied in other speci?c forms
girders, two socket-like base members carried by said
without departing from the spirit or essential character 35 girders and independently movable thereon, vertically ad
istics thereof. The present embodiments are therefore to
justable supporting columns carried by said base members,
be considered in all respects as illustrative and not restric
vehicle engaging rests carried by said columns, and an
tive, the scope of the invention being indicated by the
intermediate piece in said base members for moving apart
appended claims rather than by the foregoing description
the supporting columns, wherein the intermediate piece
and all changes which come within the meaning and range
of equivalency of the claims are therefore intended to be
embraced therein.
I claim:
consists substantially of two parallel crossbeams horizon
tally spaced so as to allow the lifting rod of the lifting
device to pass through therebetween, and two base plates
movably arranged on said crossbeams and serving to
1. A supporting structure, particularly for vehicles, for 45 receive the supporting columns, the bottom side of said
use in inspection pits, comprising in combination With a
intermediate piece being provided with two tubular mem
lifting device movable within said inspection pit, at least
bers ?tting into guide sleeves of the base members of the
one separate supporting frame provided with at least one
transverse girders.
vertically adjustable supporting column raisable only in
8. A supporting structure as claimed in claim 7, wherein
unloaded state and provided with a vehicle engaging rest, 50 the base plates of the intermediate piece are provided on
said supporting frame extending transversely across said
either side with claws engaging over the outer lower edges
inspection pit and being lengthwise movable thereon inde
pendently of said lifting device, means constituting tracks
for the movable lifting device and the movable supporting
of the crossbeams of said intermediate piece.
9. A supporting structure as claimed in claim 2, wherein
the supporting columns are provided with through bores
frame, the lifting device when lowered being located at a 55 serving for the vertical adjustment of said supporting
lower level than the part of the supporting frame extending
columns, said through bores being unequally spaced apart.
across said inspection pit, whereby the vehicle lifting device
is movable underneath the supporting frame within the
References Cited in the ?le of this patent
inspection pit.
2. A supporting structure as claimed in claim 1, wherein 60
UNITED STATES PATENTS
the supporting frame consists substantially of two parallel
horizontally spaced interconnected transverse girders and
two socket-like base members placed thereon to be inde
pendently movable thereon and serving to receive the
supporting columns.
3. A supporting structure as claimed in claim 2, wherein
65
1,847,719
1,915,024
2,080,481
2,250,321
2,592,845
Hirschel ______________ __ Mar. 1,
Logette ______________ __ June 20,
Hott _________________ __ May 18,
Aron ________________ __ July 22,
1932
1933
1937
1941
' Aron ________________ __ Apr. 15, 1952
the transverse girders are so spaced from one another that
2,865,308
Gutridge _____________ __ Dec. 23, 1958
a lifting rod of the lifting device movable on a trackway
2,892,513
Carrigan _____________ __ June 30, 1959
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