Field of technology
[0001] The technical solution relates to the upper mechanism for opening of the sliding
wall or the side wall mainly for rolling stock or for superstructures of freight vehicles.
State of the art
[0002] The current solution enabling opening and subsequent sliding of the side wall or
the sliding wall by means of several elements of the mechanism with low friction or
by means of application of simple elements with high friction based mainly upon movement
on a circular path or on a curve.
[0003] In the international patent application
WO2010130537 (A1), which was publicized on 2010-11-18, a system of sliding doors for rolling stock
is described; this system contains a bottom guiding rail, upper guiding rail and at
least one wing part arranged movably between the guiding rails, whereby this solution
does not contain elements for pushing out the wing part.
[0004] In the Chinese utility model
CN207809393 (U), which was publicized on 2018-09-04, a system of sliding doors is described, which
contains a rail attached to the wagon body and a slide, which is fixed in the upper
part of the sliding doors. The slide is equipped with two pairs of bearings, which
are mutually oriented in two vertical directions, where these bearings slide on the
rail. On one end, the rail is bent, in order to pull the sliding door away from the
side wall.
Nature of technical solution
[0005] Nature of technical solution lies in the solution for the upper mechanism for opening
of a sliding wall or a side wall; the mechanism is based upon combination of a simple
pushing out on a curve with the maximal elimination of friction between segments,
which, at the same time, does not require any auxiliary elements. The upper mechanism
consists of a guiding, mainly of circular cross-section, located between pulleys and
attached through a bearing to a carrier that is attached on the sliding wall. By rotating
the shaft on the circular path, the sliding wall is pushed out to opened position.
After pushing out the sliding wall and by means of its subsequent moving, the pulleys
start to roll on the guiding. At the end of the guiding, the pulleys pass fluently
to the formed profile of the second sliding wall so that this formed profile creates
a guiding for the carrier for complete pushing out of the sliding wall.
[0006] The submitted solution is advantageous because friction between pushed out element
and pushing out element is eliminated to the maximal possible extent. Moreover, vertical
releasing of the sliding wall or the side wall enables fluent movement also in case
of manufacturing inaccuracies. The solution is advantageous also because the mechanism
is a compact and simple construction.
Review of figures in the drawings
[0007] In the Fig.1, there is displayed a cut of the wagon is the area of the upper mechanism.
In the Fig.2, there is displayed the upper mechanism in closed position. In the Fig.3,
there is displayed the upper mechanism in opened position.
Examples of embodiment of the technical solution
[0008] The upper mechanism for opening of a sliding wall or a side wall is based upon a
combination of simple pushing out on a curve with the maximal elimination of friction
between segments, which, at the same time, does not require any auxiliary elements.
The upper mechanism for opening of a sliding wall or a side wall contains the guiding
1, which is located between the pulleys 2 and it is attached to the carrier 3 through
the bearing, whereby the carrier 3 is attached to the sliding wall 4, where the guiding
1 is connected to the shaft 5. By rotating the shaft 5 on a circular path, the sliding
wall 4 is pouched out to the opened position. After pushing out the sliding wall 4
and after it is subsequently moved, the pulleys 2 start to roll on the guiding 1.
At the end of the guiding 1, the pulleys 2 pass fluently to the formed profile of
the second sliding wall 6 so that this formed profile creates the guiding 1 for the
carrier 3 for complete pushing out of the sliding wall 4.
1. The upper mechanism for opening of a sliding wall or a side wall characterised in that it contains the guiding (1), which is located between the pulleys (2) and it is attached
to the carrier (3) through the bearing, whereby the carrier (3) is attached to the
sliding wall (4), where the guiding (1) is connected to the shaft (5).
2. The upper mechanism for opening of a sliding wall or a side wall according to the
Claim 1, characterised in that the guiding (1) is of circular cross-section.
REFERENCES CITED IN THE DESCRIPTION
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It does not form part of the European patent document. Even though great care has
been taken in compiling the references, errors or omissions cannot be excluded and
the EPO disclaims all liability in this regard.
Patent documents cited in the description