Bag and storage system

The bag's innovative securing element and hooking mechanisms enable stable and flexible attachment to strollers, addressing the limitations of conventional bags by ensuring secure retention during use and folding.

DE202025105319U1Active Publication Date: 2025-11-27THULE SWEDEN AB
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Patent Information

Application Number
DE202025105319
Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-09-06
Publication Date
2025-11-27
Estimated Expiration
2035-09-30

AI Technical Summary

Technical Problem

Conventional bags offer limited attachment options, particularly for securing to objects like strollers, leading to instability and inconvenience.

Method used

A bag design featuring an elongated securing element with adjustable outer and inner sections, snap fasteners, and multiple hooking mechanisms for stable attachment to strollers, including frame components and mushroom-shaped projections, ensuring secure retention even during folding.

Benefits of technology

Provides flexible and stable attachment to various objects, maintaining the bag's secure positioning on strollers during use and folding, enhancing user convenience and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

Bag (100) with a main body of the bag (102) that defines a storage space, and an elongated locking component (120) which is passed through an opening (110) formed in the main body of the pocket such that the locking component (120) has an outer section (121) located outside the main body of the pocket (102) and an inner section (123) located inside the main body of the pocket (102), wherein the outer section (121) is designed for external securing of the main body of the bag (102) to an object, e.g. a frame component (214) of a stroller (1) or to the wrist of a user, and wherein the locking component (120) is movable in the opening (110) so that the dimensions of the outer section (121) and the inner section (123) can be changed by moving the locking component (120).
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Description

TECHNICAL AREA

[0001] The invention relates to a bag. Furthermore, the invention relates to a storage system. BACKGROUND

[0002] Bags are known in various designs and are used for storing and transporting items.

[0003] Conventional bags often offer only limited attachment options. SUMMARY

[0004] The object of the invention is to provide an improved bag that allows for flexible and stable attachment to various objects, especially a stroller.

[0005] The problem is solved by the subject matter described in the independent claims. Advantageous further developments are the subject of the dependent claims.

[0006] According to one embodiment, a bag comprises a main body and an elongated securing element. The main body defines a storage space. The securing element passes through an opening formed in the main body. The securing element has an outer section located outside the main body and an inner section located inside the main body. The outer section is designed to externally secure the main body to an object, for example, to a frame component of a stroller or to a user's wrist. The securing element is slidable within the opening, so that the dimensions of the outer and inner sections can be changed by moving the securing element.

[0007] According to one embodiment, the locking component can be switched to a locked state. In the locked state, the outer section is longer than the inner section.

[0008] According to one embodiment, in the secured state the length of the outer section is 80% or more of the total length of the securing component.

[0009] According to one embodiment, the outer section has a first coupling element, for example, a receiving element of a snap fastener. A second coupling element, for example, a snap-in element of a snap fastener, is provided on the main body of the bag and cooperates with the first coupling element. The second coupling element can engage positively with the first coupling element to form a securing loop with the outer section and / or to lock the outer section to the outside of the main body of the bag. The second coupling element can be located on the same side of the main body of the bag as the opening. It can be located above the opening and / or adjacent to the opening.

[0010] According to one embodiment, the elongated securing component has a carrying loop section through which a user's hand can pass. The elongated securing component can be formed by a strap forming a loop, the ends of which are attached to each other, for example, sewn together. Alternatively, it can be formed by two straps attached to each other at their ends.

[0011] According to one embodiment, the securing component can be moved into a stowed state. In the stowed state, the inner section is longer than the outer section.

[0012] According to one embodiment, in the stowed state the length of the inner section is 80% or more of the total length of the securing component.

[0013] According to one embodiment, a fastening component is provided on the inner section. The fastening component is designed for attaching an object to be transported in the main body of the bag, for example, a key ring.

[0014] According to one embodiment, the fastening component is a carabiner hook.

[0015] According to one embodiment, the fastening component has dimensions that make it impossible to pass the fastening component through the opening.

[0016] According to one embodiment, the main body of the bag has a front, a back, a bottom and two side sections.

[0017] According to one embodiment, the back side is reinforced. In particular, it can have a flat stiffening component.

[0018] According to one embodiment, a zipper, openable with a pull tab, is provided on the front for access to the interior of the bag body. The bag body is made of a flexible web material. To create dimensional stability and maintain the shape of the interior, the front can be reinforced. For example, a rod extending transversely along the front of the bag body can be provided. Alternatively or additionally, a plastic strip, for example made of polyethylene, can be provided along the zipper.

[0019] According to one embodiment, a mechanical interface is provided on the rear for coupling with a mounting projection on a stroller.

[0020] According to one embodiment, the mechanical interface is designed to positively engage a mushroom-shaped projection. The bag can be attached to the stroller by hooking it onto the mushroom-shaped projection.

[0021] According to one embodiment, a bag comprises a main body. Two lateral hook sections, open at least downwards, are provided on opposite sides of the main body. These allow the main body to be hooked onto two spaced-apart mounting hooks. A rear hook section is provided on the back of the main body for attaching the bag to a frame cross member hook.

[0022] According to one embodiment, at least one hooking section is formed by a strip of material provided on the main body of the bag.

[0023] According to one embodiment, at least one hooking section is formed by a downwardly open hooking pocket formed on the main body of the bag. The hooking pocket can be formed in the main body material of the bag.

[0024] According to one embodiment, a reinforcing component can be arranged in the hook sections to keep the hook sections open.

[0025] According to one embodiment, a storage system for a stroller comprises a bag according to one of the preceding embodiments. The storage system has a left attachment hook for attachment to a rear left frame component and a right attachment hook for attachment to a rear right frame component.

[0026] According to one embodiment, the left mounting hook has a mounting area for attachment to the rear left frame component and a left hook section. The right mounting hook has a mounting area that can be detachably attached to the rear right frame component, as well as a right hook section. The hook sections are designed such that they point inwards when attached to the frame components.

[0027] According to one embodiment, the storage system further comprises a rear frame cross-section hook for attachment to a rear frame cross-section of the stroller extending between the rear left frame section and the rear right frame section. The rear frame cross-section hook can, in particular, be provided for attachment to the rear of the rear frame cross-section.

[0028] According to one embodiment, the rear frame cross-section hook has at least one fastening section. This section allows the rear frame cross-section hook to be detachably attached to the frame cross-section, for example, by snapping it into place. The rear frame cross-section hook has a hook section into which the rear hook section of the bag can be engaged.

[0029] According to one embodiment, a storage system for a stroller comprises a bag according to one of the preceding embodiments and a rear frame cross-member hook for attachment to a rear frame cross-member of a frame of the stroller.

[0030] According to one embodiment, the rear frame cross-section hook has at least one fastening section. This section allows the rear frame cross-section hook to be detachably attached to the frame cross-section, for example, by snapping it into place. The rear frame cross-section hook has a hook section into which the rear hook section of the bag can be engaged.

[0031] According to one embodiment, the stowage system further comprises at least one left mounting hook for attachment to a rear left frame component and one right mounting hook for attachment to a rear right frame component.

[0032] According to one embodiment, the left mounting hook has a mounting area for attachment to the rear left frame component and a left hook section. The right mounting hook has a mounting area that can be detachably attached to the rear right frame component, as well as a right hook section. The hook sections are designed such that they point inwards when attached to the frame components.

[0033] According to one embodiment, a stroller comprises a frame with a front frame section to which at least one front wheel is attached. The stroller has a rear lower frame section to which two rear wheels are attached. The rear lower frame section comprises a rear left frame section and a rear right frame section. A rear upper frame section is also provided, to which a handle for maneuvering the stroller is attached. The frame sections are pivotally connected to one another so that they can be folded into a storage configuration. The stroller includes a child seat supported by the frame and a storage basket located beneath the child seat. The stroller has a storage system according to one of the preceding embodiments. The left fastening hook is attached to the rear left frame section, and the right fastening hook is attached to the rear right frame section.The bag can be stored in the luggage basket. It can be attached to the rear left attachment hook using the left side hook and to the rear right attachment hook using the right side hook. This ensures the bag stays attached to the stroller even when the stroller is folded.

[0034] According to one embodiment, a stroller comprises a frame with a front frame section to which at least one front wheel is attached. The stroller has a rear lower frame section to which two rear wheels are attached. The rear lower frame section comprises a rear left frame section, a rear right frame section, and a rear cross member extending between the rear left and rear right frame sections. A rear upper frame section is provided, on which a handle for maneuvering the stroller is arranged. The frame sections are pivotally connected to one another so that they can be folded into a storage configuration. The stroller includes a child seat supported by the frame and a storage basket located beneath the child seat. Furthermore, a storage system according to one of the preceding embodiments is provided.The rear frame cross member hook is attached to the rear frame cross member in such a way that it faces backwards. The bag can be hooked onto the rear frame cross member hook via the rear hook section, so that it is held between the rear wheels and remains attached to the stroller when it is folded.

[0035] According to one embodiment, a bag is created with a main body that defines a storage space and has a front, a back, a bottom, and two side sections. A mechanical interface for coupling to a mounting bracket on a stroller can be provided at the back.

[0036] According to another embodiment, the mechanical interface can be designed to provide a positive-locking connection for a mushroom-shaped projection, so that the bag can be attached to the stroller by hooking it onto the mushroom-shaped projection.

[0037] According to another embodiment, the back side can be reinforced, in particular by having a flat stiffening component. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The invention is described with reference to the attached figures. Fig. Figure 1 shows a perspective view of a bag with an adjustable locking component, the locking component being in a locked state. Fig. 2 shows a cross-sectional view of the bag made of Fig. 1. Fig. Figure 3 shows a perspective view of the bag of Fig. 1, wherein the safety component is in a stowed state. Fig. 4 shows a cross-sectional view of the bag made of Fig. 3. Fig. 5 shows a rear view of the bag made of Fig. 1. Fig. Figure 6 shows another bag in perspective. Fig. 7 shows the bag made of Fig. 6 in perspective view from the other side. Fig. Figure 8 shows a left-hand fastening hook. Fig. Figure 9 shows a right-hand fastening hook. Fig. Figure 10 shows a perspective view of a stroller, with the bag attached. Fig. 6 is attached to the sides of the stroller frame. Fig. Figure 11 shows a frame cross-component hook. Fig. Figure 12 shows a perspective view of the frame cross-component hook of Fig. 11. Fig. Figure 13 shows a perspective view of the rear lower section of a stroller, with the frame cross-section hook made of Fig. 11 is attached to a rear frame cross member. Fig. Figure 14 shows in perspective how the in Fig. The bag shown in section 6 is hooked onto the frame cross-component hook and held between the rear wheels.

[0039] The figures are schematic and not to scale. The same reference symbols are used for the same elements. DETAILED DESCRIPTION

[0040] Embodiments and modifications are described with reference to the figures.

[0041] The following describes bags and storage systems that can be used in conjunction with a stroller 1, as described in the Fig. 10, Fig. 13 and Fig. 14 is shown.

[0042] The stroller 1 can have a frame 200 with a front frame section 216 to which at least one front wheel 32 is attached. The stroller 1 can have a rear lower frame section 218 to which two rear wheels 34 are attached. The rear lower frame section 218 can have a rear left frame section 236 and a rear right frame section 235. The stroller 1 can have a rear upper frame section 214 to which a handle for handling the stroller 1 is provided. The frame sections 214, 216, 218 can be articulated to one another so that the frame sections 214, 216, 218 can be folded into a storage configuration. The stroller 1 can have a child seat 2 which is supported by the frame 200. The stroller 1 can have a luggage basket 400 which is provided under the child seat 2.The stroller 1 can have a rear frame cross member 238 that extends between the rear left frame member 236 and the rear right frame member 235.

[0043] One possible configuration of a Bag 100 is in the Fig. Figures 1 to 5 show the bag 100. The bag 100 has a main body 102 that defines a storage space. The bag 100 also has an elongated locking element 120 that passes through an opening 110 formed in the main body 102. The locking element 120 has an outer section 121 located outside the main body 102 and an inner section 123 located inside the main body 102.

[0044] The outer section 121 can be configured for external securing of the main body of the bag 102 to an object. For example, the outer section 121 can be configured for securing to a frame component 214 of a stroller 1 or to the wrist of a user.

[0045] The locking component 120 is slidable in the opening 110. The dimensions of the outer section 121 and the inner section 123 can be changed by moving the locking component 120.

[0046] The safety component 120 can be brought into a safety state in which the outer section 121 is longer than the inner section 123 (see Fig. 1, Fig. 2 and Fig. 5) In the secured state, the length of the outer section 121 can be 80% or more of the total length of the securing component 120.

[0047] The outer section 121 can have a first coupling element 124, for example, a receiving element of a snap fastener connection. The first coupling element 124 can be located at the free end of the outer section 121. A second coupling element 112, cooperating with the first coupling element 124, can be provided on the main body of the pocket 102. This second coupling element 112 can be designed as a snap-in element of a snap fastener connection that can be brought into positive engagement with the first coupling element 124. By attaching the first coupling element 124 to the outer section 121, a locking loop can be formed, or the outer section 121 can be locked to the outside of the main body of the pocket 102. The second coupling element 112 can be located on the same side of the main body of the pocket 102 as the opening 110.The second coupling component 112 can be provided above the opening 110 and / or adjacent to the opening 110, as shown in the . Fig. 1 and Fig. 2 can be seen.

[0048] The elongated safety component 120 can have a carrying loop section 130 for passing a user's hand through it (see Fig. 1, Fig. 2 and Fig. 5) The securing element 120 can be formed by a strap 122 forming a loop, the ends of which are attached to each other. Alternatively, the securing element 120 can be formed by two straps attached to each other at their ends.

[0049] The securing component 120 can be moved into a stowed state in which the inner section 123 is longer than the outer section 121. Optionally, in the stowed state, the length of the inner section 123 can be 80% or more of the total length of the securing component 120.

[0050] An attachment component 126 can be provided on the inner section 123. This attachment component 126 can be designed for attaching an object to be transported in the main body of the bag 102. For example, the attachment component 126 can be configured for attaching a key ring. The attachment component 126 can be a carabiner hook (see Fig. 2 and Fig. 4) Optionally, the fastening component 126 can have dimensions that make it impossible to pass the fastening component 126 through the opening 110.

[0051] The main body of the bag 102 can comprise a front, a back, a bottom, and two side sections. The back of the main body of the bag 102 can be reinforced. In some configurations, the back can have a planar stiffening component 150, as shown in Fig. 5 indicated. A zipper 106, openable with a zipper 108, can be provided on the front for access to the interior of the main body of the bag 102. The main body of the bag 102 can be made of a flexible web material. To create dimensional stability and maintain the shape of the interior, the main body of the bag 102 can be reinforced at the front. For example, a rod extending transversely along the front of the main body of the bag 102 can be provided. Alternatively, a plastic strip, for example made of polyethylene, can be provided running along the zipper 106.

[0052] A mechanical interface 140 can be provided on the rear for coupling with a mounting projection 217 on a stroller 1 (see Fig. 5) The mechanical interface 140 can be designed to positively engage a mushroom-shaped projection 217, which is provided on a stroller (see Fig. 10). The bag 100 can be attached to the stroller 1 by hooking it onto the mushroom-shaped projection 217.

[0053] Further features of a bag, which may also be provided on the previously described bag 100, are described in connection with another bag 300 with reference to the Fig. 6 and Fig. 7 described. The bag 300 can comprise a bag main body 302. The bag 300 can have two lateral hook sections 322, 324 provided on opposite sides of the bag main body 302 and open at least downwards. These hook sections 322, 324 allow the bag main body 302 to be hooked onto two mutually opposed fastening hooks 12, 14, which are located in the Fig. 8 and Fig. 9 are shown.

[0054] The bag 300 can have a rear hook section 320 provided on the back of the main bag body 302 (see Fig. 6 or Fig. 7) This rear hook section 320 can be used to attach the bag 300 to a frame cross member hook 20 from the rear. An example of a frame cross member hook 20 is shown in the Fig. 11 and Fig. 12 is shown and will be described in more detail later.

[0055] At least one hook section 320, 322, 324 of the pocket 300 can be formed by a strip of material provided on the pocket body 302. Alternatively, at least one hook section 320, 322, 324 can be formed by a downwardly open hook pocket formed on the pocket body 302. This hook pocket can be formed in the pocket body material. In some configurations, a reinforcing element can be arranged in the hook sections. This can help to keep the hook sections 320, 322, 324 open to facilitate hooking.

[0056] A storage system for a stroller 1 can be formed by a bag 300 as described above, a left fastening hook 12 for attachment to a rear left frame component 236 of the stroller 1 and a right fastening hook 14 for attachment to a rear right frame component 235 of the stroller 1.

[0057] The left mounting hook 12 can have a mounting area 16 for attachment to the rear left frame component 236 and a left hook section 13. The right mounting hook 14 can have a mounting area 18, which can be detachably attached to the rear right frame component 235, and a right hook section 15. The hook sections 13 and 15 can be designed such that they point inwards when attached to the frame components 235 and 236. Fig. Figure 10 shows a state in which the left and right fastening hooks 12, 14 are attached to the frame 200 of a stroller 1.

[0058] The storage system can, in addition to or as an alternative to the left and right fastening hooks 12, 14, include a rear frame cross member hook 20 for attachment to a rear frame cross member 238 of the stroller 1 extending between the rear left frame member 236 and the rear right frame member 235. The rear frame cross member hook 20 can be attached to the rear of the rear frame cross member 238, as shown in Fig. 13 shown. The rear frame cross member hook 20 can be, as shown in the Fig. 11 and Fig. Figure 12 shows at least one fastening section 22, 23. This fastening section 22, 23 allows the rear frame cross-section hook 20 to be detachably attached to the frame cross-section 238. For example, the rear frame cross-section hook 20 can be designed to snap onto the frame cross-section 238. The rear frame cross-section hook 20 can have a hook section 24 into which the rear hook section 320 of the pocket 300 can be engaged.

[0059] The left mounting hook 12 can be attached to the rear left frame component 236 and the right mounting hook 14 can be attached to the rear right frame component 235 (see Fig. 10) The bag can be placed in the luggage basket 400 and attached to the rear left fastening hook 12 via the left side hook section and to the rear right fastening hook 14 via the right side hook section. This allows the bag to remain attached to the stroller 1 even when the stroller 1 is folded. In particular, the bag 300 is not only supported by the luggage basket 400 but also secured via the fastening hooks 12 and 14.

[0060] The rear frame cross member hook 20 can be attached to the rear frame cross member 238 such that its hook section 24 is oriented towards the rear. The bag can be hooked onto the rear frame cross member hook 20 via the rear hook section 320. In this way, the bag can be held between the rear wheels 34 on the frame cross member 238 (see Fig.14) and can remain on the stroller 1 when the stroller 1 is folded.

Claims

[1] Bag (100) with a main body of the bag (102) that defines a storage space, and an elongated locking component (120) which is passed through an opening (110) formed in the main body of the pocket such that the locking component (120) has an outer section (121) located outside the main body of the pocket (102) and an inner section (123) located inside the main body of the pocket (102), wherein the outer section (121) is designed for external securing of the main body of the bag (102) to an object, e.g. a frame component (214) of a stroller (1) or to the wrist of a user, and wherein the locking component (120) is movable in the opening (110) so that the dimensions of the outer section (121) and the inner section (123) can be changed by moving the locking component (120). [2] Bag (100) according to claim 1, wherein the locking component (120) can be brought into a locking state in which the outer section (121) is longer than the inner section (123). [3] Pocket according to claim 2, wherein in the secured state the length of the outer section (121) is 80% or more of the total length of the securing component (120). [4] Bag (100) according to one of claims 2 or 3, wherein the outer section (121) has a first coupling component (124), for example a receiving component of a push button connection, and wherein a second coupling element (112), for example a snap-in element of a push-button connection, is provided on the main body of the bag (102) cooperating with the first coupling element (124), which can be brought into positive engagement with the first coupling element (124) in order to form a securing loop with the outer section (121) and / or to lock the outer section (121) on the outside of the main body of the bag (102), wherein the second coupling element can be provided on the same side of the main body of the bag (102) as the opening (110) and / or can be provided above the opening (110) and / or can be provided adjacent to the opening (110). [5] Bag (100) according to one of the preceding claims, wherein the elongated securing component (120) has a carrying loop section (130) for passing a user's hand through it, wherein the elongated securing component (120) can be formed by a strap (122) forming a loop, the ends of which are attached to each other, for example sewn together, or can be formed by two straps attached to each other at their ends. [6] Bag (100) according to one of the preceding claims, wherein the securing component (120) can be transferred into a stowed state in which the inner section (123) is longer than the outer section (121). [7] Bag (100) according to claim 6, wherein in the stowed state the length of the inner section (123) is 80% or more of the total length of the securing component (120). [8] Bag (100) according to claim 7, wherein a fastening component (126) is provided on the inner section (123) which is designed for coupling an object to be transported in the main body of the bag (102), for example a key ring. [9] Bag (100) according to claim 8, wherein the fastening component (126) is a carabiner hook. [10] Bag (100) according to claim 9, wherein the fastening component (126) has a dimension that makes it impossible to pass the fastening component (126) through the opening (110). [11] Bag (100) according to one of the preceding claims, wherein the main body of the bag (102) has a front, a back, a bottom and two side sections. [12] Bag (100) according to claim 11, wherein the back side is reinforced, in particular may have a planar stiffening component (150). [13] Bag (100) according to claim 11 or 12, wherein a zipper (106) which can be opened with a zipper (108) is provided on the front for access to the interior of the bag body (102), wherein the bag body (102) is made of a flexible web material and is reinforced on the front to create shape stability and maintain an interior shape, wherein, for example, a rod extending transversely along the front may be provided on the bag body and / or a plastic strip, for example made of polyethylene, may be provided running along the zipper (106). [14] Bag (100), for example the bag (100) according to one of claims 11 to 13, wherein a mechanical interface (140) is provided on the rear for coupling with a fastening projection (217) on a stroller (1). [15] Bag (100) according to claim 14, wherein the mechanical interface (140) is designed to provide a positive-locking connection for a mushroom-shaped projection (217), so that the bag (100) can be attached to the stroller (1) by hooking it onto the mushroom-shaped projection (217). [16] Bag (300), for example having the features of the bag (100) according to one of the preceding claims, comprising a pocket main body (302), and two lateral hook sections (322, 324) provided on opposite sides of the main body of the bag (302) and open at least downwards, which allow the main body of the bag (302) to be hooked onto two spaced-apart fastening hooks (12, 14), and / or a rear hook section (320) provided on the rear of the main body of the bag (302) for attaching the bag (300) to a frame cross-component hook (20) at the rear. [17] Bag (300) according to claim 16, wherein at least one hook section (320, 322, 324) is formed by a strip of material provided on the main body of the bag (302). [18] Bag (300) according to claim 17, wherein at least one hooking section (320, 322, 324) is formed by a hooking pocket formed on the main body of the bag (302) and open downwards, wherein the hooking pocket can be formed in the main body material of the bag. [19] Bag (300) according to claim 17 or 18, wherein a reinforcing component may be arranged in the hook sections to keep the hook sections (320, 322, 324) open. [20] Storage system for a stroller (1), with a bag (300) according to one of claims 16 to 19, a left mounting hook (12) for attachment to a rear left frame component (236) and a right mounting hook (14) for attachment to a rear right frame component (235). [21] Storage system according to claim 20, wherein the left mounting hook (12) has a mounting area (16) for attachment to the rear left frame component (236), and a left hook section (13), and wherein the right fastening hook (14) has a fastening area (18) which can be detachably attached to the rear right frame component (235) and a right hook section (15), wherein the hook sections (13, 15) are designed such that they point inwards when attached to the frame components (235, 236). [22] Storage system according to claim 20 or 21, further comprising a rear frame cross-section hook (20) for attachment to a rear frame cross-section (238) of the stroller (1) extending between the rear left frame section (236) and the rear right frame section (235), in particular for attachment to the rear of the rear frame cross-section (238). [23] Storage system according to claim 22, wherein the rear frame cross-section hook (20) has at least one fastening section (22, 23) with which the rear frame cross-section hook (20) can be detachably fastened to the frame cross-section (238), for example, by snapping it onto the frame cross-section (238), and has a hook section (24) into which the rear hook section (320) of the bag (300) can be hooked. [24] Storage system for a stroller (1), with a bag (300) according to one of claims 16 to 19, a rear frame cross-section hook (20) for attachment to a rear frame cross-section (238) of a frame (200) of the stroller (1), in particular to a rear frame cross-section (238) of the stroller (1) extending between a rear left frame section (236) and a rear right frame section (235), in particular for attachment to the rear of the rear frame cross-section (238). [25] Storage system according to claim 24, wherein the rear frame cross-section hook (20) has at least one fastening section (22, 23) with which the rear frame cross-section hook (20) can be detachably fastened to the frame cross-section (238), for example, by snapping it onto the frame cross-section (238), and has a hook section (24) into which the rear hook section (320) of the bag (300) can be hooked. [26] Storage system according to claim 25, further comprising at least one left fastening hook (12) for attachment to a rear left frame component (236) and one right fastening hook (14) for attachment to a rear right frame component (235). [27] Storage system according to claim 26, wherein the left mounting hook (12) has a mounting area (16) for attachment to the rear left frame component (236), and a left hook section (13), and wherein the right fastening hook (14) has a fastening area (18) which can be detachably attached to the rear right frame component (235) and a right hook section (15), wherein the hook sections (13, 15) are designed such that they point inwards when attached to the frame components (235, 236). [28] Stroller (1) with a frame (200) with a front frame part (216) to which at least one front wheel (32) is held, with a rear lower frame part (218) to which two rear wheels (34) are held, wherein the rear lower frame part (218) has a rear left frame part (236) and a rear right frame part (235), and with a rear upper frame part (214) to which a handle for handling the stroller (1) is provided, wherein the frame parts (214, 216, 218) are pivotally connected to one another so that the frame parts (214, 216, 218) can be folded into a storage configuration, a child seat (2) which is supported by the frame (200), a luggage basket (400) which is provided under the child seat (2), and a storage system according to one of claims 20 to 23, wherein the left mounting hook (12) is attached to the rear left frame component (236) and the right mounting hook (14) is attached to the rear right frame component (235), and wherein the bag can be placed in the luggage basket (400) and can be hooked onto the rear left attachment hook (12) via the left side hook section (324) and onto the rear right attachment hook (14) via the right side hook section (322), thus keeping the bag on the stroller (1) even when the stroller (1) is folded. [29] Stroller (1) with a frame (200) with a front frame part (216) to which at least one front wheel (32) is held, with a rear lower frame part (218) to which two rear wheels (34) are held, wherein the rear lower frame part (218) has a rear left frame part (236) and a rear right frame part (235) as well as a rear cross frame part (238) extending between the rear left frame part (236) and the rear right frame part (235), and with a rear upper frame part (214) to which a handle for handling the stroller is provided, wherein the frame parts (214, 216, 218) are pivotally connected to one another so that the frame parts (214, 216, 218) can be folded into a storage configuration, a child seat (2) which is supported by the frame (200), a luggage basket (400) which is provided under the child seat (2), and a storage system according to one of claims 24 to 27, wherein the rear frame cross member hook (20) is attached to the rear frame cross member (238) in such a way that the latter is oriented towards the rear, the bag can be hooked onto the rear frame cross-section hook (20) via the rear hook section (320), so that it can be held between the rear wheels (34) and can remain on the stroller (1) when the stroller (1) is folded. [30] Bag (100) with a main body of the bag (102) that defines a storage space and has a front, a back, a bottom and two side sections, wherein a mechanical interface (140) is provided on the rear for coupling with a mounting projection (217) on a stroller (1). [31] Bag (100) according to claim 30, wherein the mechanical interface (140) is designed to provide a positive-locking connection for a mushroom-shaped projection (217), so that the bag (100) can be attached to the stroller (1) by hooking it onto the mushroom-shaped projection (217). [32] Bag (100) according to claim 30 or 31, wherein the back side is reinforced, in particular may have a planar stiffening component (150).