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Патент USA US3069039

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Dec. 18, 1962
Filed 001;- 6, 1958
7 Sheets-Sheet 1
Dec. 18, 1962
Filed Oct. 6, 1958
_‘7 Sheets-Sheet 2
Dec. 18, 1962'
Filed OCt. 6, 1958
'7 Sheets-Sheet 3
Dec. 18, 1962
Filed Oct. 6, 1958
'7 Sheets-Sheet 4
Dec. 18, 1962
Filed 001;. 6, 1958
7 Sheets-Sheet 5
Dec'. 18, 1962
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' 7 Sheets-Sheet 6
6,7 I4
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Filed Oct. 6, 1958
7 Sheets-Sheet 7
United States Patent Qticc
Patented Dec. 18, 1962
are arranged above one another, in FIG. 1. Only the pitch
August Wullschleger, 26 Martin Distei Strasse,
Olten, Switzerland
Filed Oct. 6, 1958, Ser. No. 765,549
Claims priority, application Switzerland Oct. 7, 1957
1 Claim. (Cl. 214--16.1)
circles are shown. The wheel 13 is driven by a motor
40 and gears 41 to 44 while the other wheel 12 is attached
‘to a chain tensioning device. The tensioning device is
already well known and is for this reason, not shown.
Along the vertical parts of the chain 8 are the guides
or tracks 14, 15 in which the guiding rollers 6, 7 are
guided, in order to take up the torque exercised on the
The present invention concerns a parking device for
carrying connection 5 by the load in the cabin. Parallel
vehicles especially motor cars, with two driveable, end 10 to the guides 14, 15 are the straight guides or tracks 16,
less transport devices such as chains, wire ropes, bands,
17‘. These guides 14—17 have a U-shaped cross-section,
on which cabins are mounted to receive the vehicles.
the two guides 14 and 16 being preferably made from a
In other known parking devices of this type the distances
single piece. The same construction is preferably em.
between the cabins are relatively large, which leads to
ployed for the guides 15 and 17 (see FIG. 6). Above the
poor utilization of the building space. As will be ex 15 two guides 14, 16‘ and 15, 17, respectively are arranged
plained later, the invention allows these disadvantages to
for each, two semi-circular guides or tracks 18, 19.
be overcome, in that for each cabin two carriers are pro
Similarly, below these guides are arranged, respectively,
vided, which are fastened to the transport devices, these
two semi-circular guides 26, 21 which have, for practical
carriers carry the cabins on the outside and eccentrically
reasons, a U-shaped cross-section. The guides 13—21
with respect to the transport devices.
are shown in FIGS. 2:: and 2b as symmetrically arranged.
The parking device is advantageously so arranged that
The guides 16—21 serve to guide the cabins 1 by means
the cabins are carried parallel to each other, so that they
of the carrier or suspension arrangements 4, so that they
cannot swing and that they do not adopt a slanting posi
cannot oscillate and also so that the platforms 1b remain
tion even when the load is not centrally placed.
vertical even when eccentrically loaded. It would also
Several examples of the invention are shown in the 25 be possible to supply only one guiding system 16, 17,
accompanying drawings in order to give an understanding
of the principles of the invention. In the accompanying
FIG. 1 illustrates a building housing a vertically ar
range parking device according to the invention;
FIG. 2a shows the uppermost and FIG. 2b shows the
18—2‘<i and 19-41 on one side of a cabin.
The axle 2 is rigidly connected by means of a pin 22
to a support 23, which has a triangular-shaped plate 24,
an inclined arm 25, and a bolt 26 parallel to the axle 2,
which connect an extension arm 24a extending upwardly
from the plate 24 and the inclined arm 25 rigidly con
lowermost part of the driving and guiding mechanisms of
nected therewith.
the parking device;
equipped with a boss 27 on its vertex portion opposite the
base, in which the axle 2 is inserted, while on its two
other vertex portions adjacent to the base are ?tted guiding
The triangular-shaped plate 24 is
FIG. 3a is a view in the direction of the arrow 3a in
FIG. 2a, and FIG. 3b is a view in the direction of the
arrow 3b in FIG. 212;
rollers 28, 29 which engage with the vertical guides 16,
FIG. 4 shows a detail of the device on a larger scale;
respectively 17. A further guiding roller 30 is arranged
FIG. 5 illustrates a carrier device for one cabin viewed
on the other side of this plate opposite the roller 28', this
in the same direction as in the FIGURES 2a and 2b, but
roller engaging with the curved guides 18 and 20. Lastly
40 the free end of the arm ‘25 has a further guiding roller 31
to a larger scale;
FIG. 6 is a section through the guides above the carrier
which engages with the curved guides 19‘ and 21.
device taken on the line 6—6 of FIG. 2a;
FIGS. 7 and 8 show the parking device in a horizontal
Even though as a general rule two similar suspension
systems 4 are used to support the axle 2, one would be
and inclined arrangement, respectively.
quite sufficient to achieve parallel guiding, while the other
The parking device shown in FIG. 1 has a number of 45 suspension system could be made without the parallel
> cabins each of which is adapted to receive a car or a
number of smaller vehicles. It is to be understood, of
course, that the cabins must not be totally closed, but they
guiding parts 23—31.
The curved guides 13-21 are so formed that the con
necting line between the center points A and B of the
may consist of, in principle, a platform 1b only, which
rollers 28 and 29, respectively 30 and 31 in FIG. 5 always
is rigidly connected to a carrier axle 2 arranged above the 50 remains horizontal, which because of the rigid connection
cabin by means of connecting parts In. The axle 2 is
between the plate 24 and the connecting parts 1a of the
carried in swivel bearings 3 near its ends, each of these
cabin by means of the axle 2 causes the cabin to remain
bearings forming a part of the carrying arrangement 4.
vertical always, the axle 2 naturally being free to swing in
. Each of these carrying arrangements, which are shown to
its bearings 3. This form of guide is easily designed, it
a larger scale in FIGS. 5 and 6, has a suspension arrange 55 one observes that the centre C of the line AB must always
ment, and possesses a double carrying connection or arm
5 with the transport arrangement, which on the one side
move on a semi-circle K1 about the upper chain wheel 12,
and a semi-circle K2 about the lower chain wheel 13.
carries the bearing 3 and on the other side is equipped
The centers M1 and M2 of these respective semi-circles
with two guiding rollers 6 and 7. The carrying connection
(FIGS. 2a and 2b) are positioned at a distance it vertical
ly above the respective centers of the respective chain
forms a particular part of_ an endless transport arrange
ment, in the case of the example illustrated this is an
wheels Z1 and Z2. Furthermore, the line ACB (FIG. 5) must always be horizontal.
endless chain 8-, and is connected with this chain-over
The plate 24 is guided parallel from the point D to the
‘bolts 9, 10 with connecting normal links 11. The bearing
3 is equipped with a swivel axle 3a, which is perpendicular
point E (FIGS. 2b and 2a) by means of the roller 28 in
to the axle 2 and is carried in a bearing 5a which is ?xed 65 the guide 16, and from the point E’ to point F by the
to the carrying connection 5 by means of bolts 5b and
roller 35} in the guide 13'. From the point P’ to the point
nuts 5c. A nut 3b is screwed on to the end of the axle
3a, in order to secure it in the bearing 5a. The cardanic
‘ G the roller 31 moves in the guide 19.
From G’ to H
the roller 29 follows the guide 17. From H’ to I the
bearing of the ends of the axle ‘2 in the bearing 3, 5a is so
roller 30 moves in the guide 20, and from I’ to D’ the
arranged because the two suspensions 4 for the axle 2 do 70 roller 31 follows the guide 21.
not always lie exactly at the same height in practice.
The chain 8 is guided by two chain wheels 12, 13 which
From the foregoing, and according to the showing of
FIGS. 6, 2a and 21), it will be evident that switching points
are provided at the points E, F, G’, H’ and D whereby
the rollers 6, 28, 3t), 29 and 31 may function as described.
The parking device so described is used in a well
known way in that the cabins are loaded and unloaded,
at their lowest point (I) and the vehicles remain in the
cabins in which they have been placed for the duration
of the parking time.
It is to be noted that when the axle 2 is carried around
the chain wheels 12 and 13, this axle moves on a semi
circle whose radius R is chosen large enough so that the
cabins despite their breadth do not interfere with one
another. This radius R is longer than the radius r of
the chain wheels 12 and 13, by the length of the carrying
connection 5. If two successive axles 2‘ have an angular
separation or when being carried round the chain wheels,
then the distance between them along the vertical part
of the chain 8 is not Ra but in and r may be chosen so
and particularly useful embodiments of my said invention,
I wish it to be understood that I do not limit myself to the
particular details and dimensions described and illustrated,
for obvious modi?cations will occur to a person skilled in
the art.
What I claim as my invention and desire to secure by
Letters Patent, is:
A vehicle parking device of the character described
comprising a pair of spaced parallel endless conveyor
means simultaneously rotatable about spaced parallel
coplanar axles, a plurality of cabins for receiving vehicles
to be parked, each cabin being suspended from a respec
tive carrier axle, each end portion of each of the carrier
axles being journalled in bearing means, an arm connect
ing the bearing means to the conveyor means, thereby
suspending each cabin outwardly and eccentrically with
respect to the endless conveyor means, one end of the arm
small that the cabins along the vertical part of the chain
?t exactly above one another, that is to say I'm is only
slightly larger than the height of a cabin.
The guiding rails Isl-21 are secured to the walls 46 of
the building 47 containing the parking device by means
of brackets 45. See Fi’lS. 3a, 3b and 4. The chain
wheels 12 and 13 are also supported by bearings secured
having a pair of spaced coplanar rollers journalled there
on, a pair of triangular-shaped plates, the vertex portion
opposite the base of each triangular-shaped plate being
to the said walls.
A distance between cabins that is as small as possible,
which is very important for the economic use of the
roller journalled thereon, an extension arm formed on
the plate intermediate the base vertices, bolt means se
cured to the extension arm at right angles thereto, an
inclined arm having one end secured to the bolt means
building height, in that one may park the maximum
number of vehicles. By means of the parallel guiding of
the cabins, oscillation of these even by eccentric loading
is eliminated. Even without the parallel guides one would
still achieve a very good utilisation of the height of the
building. A variation of the principle would be to equip
the cabins themselves with guiding rollers and to provide
suitable guides for their parallel guiding. This variation
is however not so favourable as the one described where
the suspension arrangement acts together with the guides.
The above description deals with a vertical arrange
ment. It is however possible to utilise the design, by
retaining all the important parts, either horizontally as
represented in PEG. 7 or in any desired slope between
the horizontal and the vertical as shown in FIG. 8. A
horizontal or slanting arrangement allows the parking
device to be installed underground beneath the ground
level, in cellars etc.
When the parking device is arranged below buildings,
or below the surface of streets or open spaces at ground
level, an inclined entrance 51 leads from the street 50 to
a preferable horizontally arranged tunnel 52, in which
the vehicles are loaded into the cabins 1.
The vehicles '
may afterwards leave the cabin, driving in the same direc
tion in which they entered and leave the tunnel 52 through
an exit, which is not shown in the drawing.
The arrangement represented in FIG. 8 allows the
cabins to be loaded on the street level, whereas the greater '
part of the parking device is below the said street level.
While I have described herein and illustrated in the
accompanying drawings what may be considered typical
secured to a respective end of the carrier axle, one of the
vertex portions adjacent the base having a pair of opposite
ly disposed rollers journalled thereon, the remaining
vertex portion of each triangular-shaped plate having a
and the opposite end having a roller journalled thereon,
the longitudinal axes of the roller mounted on the inclined
arm and the roller mounted on the remaining vertex por
tion of the triangular-shaped plate being aligned, guide
means positioned adjacent each of the endless conveyor
means, said guide means comprising a ?rst pair of tracks
parallel to the conveyor means for receiving the ?rst
mentioned rollers, a second pair of tracks parallel to the
?rst pair of tracks for receiving one of the oppositely
disposed rollers mounted on the triangular-shaped plate
and the roller journalled on the remaining vertex portion
of the plate, an arcuate guide positioned in proximity to
each end of the second pair of tracks for receiving the
other oppositely disposed roller mounted on the triangular
shaped plate and the roller mounted on the inclined arm,
each arcuate guide comprising a pair of quadrantal
shaped tracks having their concave portions facing the
endless conveyor means, the quadrantal-shaped tracks of
at least one of the arcuate guides overlapping each other
and a portion of the second pair of tracks.
References Cite-d in the tile of this patent
MacDonald __________ __ July 21, 1931
Makutchon ____________ .._ Oct. 6,
Ide _________________ __ Oct. 23,
Miller ______________ __. Feb. 10,
Hild et al. ___________ __ Nov. 25,
Holappa _____________ __ Dec. 11,
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