Stroller and stroller frame
A stroller with a chassis frame which is supportable on a ground via at least three wheels and having at least two receiving devices, in particular child receiving devices, which can be connected to the chassis frame via adapters, the adapters being designed and positionable on the chassis frame such that, with regard to a connection of the receiving devices as well as their alignment and, if appropriate, their manipulation, they do not allow at least one configuration in which the overall center of gravity of the transport device and receiving devices in top view and thus the overall center of gravity line does not lie within the projection area bounded by the wheels or their standing surfaces, and only permit such that the overall center of gravity of the transport device and receiving devices in top view and thus the overall center of gravity line always lies within the projection area bounded by the wheels or their standing surfaces.
1. A stroller comprising:
a chassis frame supported on a ground via at least three wheels; and
at least two receiving devices connected to the chassis frame via adapters,
wherein
the adapters are configured to be positioned on the chassis frame to facilitate a connection of the at least two receiving devices as well as an alignment and manipulation of the at least two receiving devices,
the adapters do not permit at least one configuration in which an overall center of gravity of the stroller in a top view and thus the overall center of gravity line do not lie within a projection area bounded by the at least three wheels or standing surfaces of the at least three wheels when the at least three wheels are in contact with the ground, or
only permit the at least one configuration such that the overall center of gravity of the stroller in the top view and thus the overall center of gravity line always lie within the projection area bounded by the at least three wheels or the standing surfaces of the at least three wheels when the at least three wheels are in contact with the ground.
2. The stroller according to claim 1 , comprising:
a stroller frame;
at least a first adapter and a second adapter via which the at least two receiving devices is detachably connected to the stroller frame;
wherein
a first receiving device of the at least two receiving devices has a first adapter connecting element, by means of which the first receiving device is mechanically connected to the first adapter or the second adapter, and a second receiving device of the at least two receiving devices has a second adapter connecting element, by which the second receiving device is mechanically connected exclusively to one of the first adapter or the second adapter.
3. The stroller according to claim 2 , wherein
the first adapter has at least one recess, and
the second adapter connecting element of the second receiving device has at least one protrusion, in particular a rib, which is complementary to the at least one recess of the first adapter.
4. The stroller according to claim 3 , wherein
the second adapter does not have a recess complementary to the at least one protrusion of the second adapter connecting element of the second receiving device or
in that the first adapter connecting element of the first receiving device does not have a protrusion complementary to the recess of the first adapter.
5. The stroller according to claim 4 , wherein
the at least one protrusion of the second adapter connecting element of the second receiving device couples with the at least one recess of the first adapter when the second receiving device is connected to the first adapter in a first orientation.
6. The stroller according to claim 5 , wherein
the first adapter has a further recess, and
the at least one protrusion of the second adapter connecting element of the second receiving device couples to the further recess of the first adapter when the second receiving device is connected to the first adapter in a further orientation, which is at least substantially opposite to the first orientation.
7. The stroller according to claim 2 , wherein
the second adapter has an at least substantially planar contact surface.
8. The stroller according to claim 2 , wherein
the adapters are arranged on the at least two receiving devices instead of on the stroller frame.
9. The stroller according to claim 1 , comprising:
a stroller frame;
at least a first adapter and a second adapter, via which the at least two receiving devices is detachably connected to the stroller frame;
wherein
a first receiving device of the at least two receiving devices comprises a seat section and a back section pivotable relative thereto as well as a mechanism for adjusting a tilt angle between the back section and the seat section and a second receiving device of the at least two receiving devices comprises a seat section and a back section pivotable relative thereto as well as a mechanism for adjusting the tilt angle between the back section and the seat section, wherein at least one particular tilt angle is achievable with respect to one of the first and second receiving devices and is not achievable with respect to the other of the first and second receiving devices.
10. The stroller according to claim 9 , wherein
the mechanism of the first receiving device allows adjustment of a greater number of different tilt angles between the back section and the seat section than the mechanism of the second receiving device.
11. The stroller according to claim 10 , wherein
the tilt angle corresponds to a largest adjustable tilt angle of the first receiving device or
the tilt angle between the back section and the seat section of the second receiving device is between 130° and 150°.
12. The stroller according to claim 9 , wherein
positions between the back section and the seat section of the first receiving device include:
a seat position for which the tilt angle of the back section relative to the seat section is in a range from at least about 90° to at least about 140°;
a lying position for which the tilt angle of the back section relative to the seat section is in a range from at least about 140° to at least about 180°; and
one or more intermediate positions for which the tilt angle of the back section relative to the seat section is smaller than the tilt angle in the lying position and larger than the tilt angle in the seat position.
13. The stroller according to claim 9 , wherein
positions between the back section and the seat section of the second receiving device:
a seat position for which the tilt angle of the back section relative to the seat section is in a range from at least about 90° to at least about 140°;
a lying position for which the tilt angle of the back section relative to the seat section is in a range from at least about 140° to at least about 180°; and
one or more intermediate positions for which the tilt angle of the back section relative to the seat section satisfies at least one of:
the tilt angle is less than at least about 150°, and greater than the tilt angle in the seat position; and
the tilt angle is greater than at least about 150°, and less than the tilt angle in the lying position.
14. The stroller according to claim 1 , comprising:
a stroller frame;
at least a first adapter and a second adapter via which the at least two receiving devices is detachably connected to the stroller frame;
wherein
at least one of the first adapter and the second adapter has an adjusting mechanism by which the at least one of the first adapter and the second adapter is detachably connected to the stroller frame.
15. The stroller according to claim 14 , wherein
the at least one of the first adapter and the second adapter is displaceably mounted on the stroller frame.
16. The stroller according to claim 14 , wherein
the at least one of the first adapter and the second adapter is configured to be fixed, in several different positions on the stroller frame by the adjusting mechanism.
17. The stroller according to claim 14 , wherein
the at least one of the first adapter and the second adapter is fixed, in exactly or at least three positions to the stroller frame by the adjusting mechanism.
18. The stroller, according to claim 1 , comprising:
a stroller frame;
at least one adapter by which at least one of the at least two receiving devices is detachably connected to the stroller frame;
wherein
an adapter connecting element of the at least one of the at least two receiving devices has a blocking mechanism for blocking a mechanism for adjusting a tilt angle of the at least one of the at least two receiving devices with respect to horizontal, wherein the mechanism is blocked by the blocking mechanism when the at least one of the at least two receiving devices is connected to the stroller frame in a first orientation via the at least one adapter,
wherein the mechanism, is not blocked or is released when the at least one of the at least two receiving devices is connected to the stroller frame via the adapter in a further orientation, which is at least substantially opposite to the first orientation.
19. The stroller according to claim 18 , wherein
the at least one adapter comprises a contact protrusion surface arranged such that the contact protrusion surface actuates the blocking mechanism when the at least one of the at least two receiving devices is connected to the stroller frame via the at least one adapter in a first orientation.
20. The stroller according to claim 19 , wherein
the blocking mechanism comprises a spring-loaded pin which is pressed by the contact protrusion surface of the at least one adapter against a restoring force acting on the spring-loaded pin into a recess of the mechanism, so that the mechanism is locked or blocked.
21. The stroller according to claim 1 , wherein
at least one of the at least two receiving devices is rotatably mounted on a stroller frame.
22. The stroller according to claim 21 , wherein
a rotational position of the at least one of the at least two receiving devices is adjustable.
23. The stroller according to claim 22 , wherein
the at least one of the at least two receiving devices is lockable in a forward position and in a rearward position.
24. The stroller according to claim 23 , wherein
the at least one of the at least two receiving devices is connectable to the stroller frame via a rotatably mounted adapter.
25. The stroller according to claim 24 , wherein
the rotatably mounted adapter, or the at least one of the at least two receiving devices is assigned a switching element, such as a slider, rotary knob, push-button, or push-button, by which adjustable rotary positions or orientations of the at least one of the at least two receiving devices are fixable.
26. The stroller according to claim 25 , wherein
the switching element is adjusted exclusively from a first switching position into at least one second switching position when the at least one of the at least two receiving devices is not coupled to the rotatably mounted adapter.
27. The stroller according to claim 25 , wherein
the rotatably mounted adapter is unlocked and the adjustable rotary positions or orientations of the at least one of the at least two receiving devices are freely fixable, provided that the switching element is in a first switching position.
28. The stroller according to claim 25 , wherein
the at least one of the at least two receiving devices is configured to be locked in a forward position and in a rearward position, provided that the switching element is in a second switching position.
29. The stroller according to claim 1 , wherein
the receiving device is configured as a device for transport of animals or other objects.