bicycle trailer

Abstract

This disclosure relates to a bicycle trailer including a main frame. The main frame includes a lower frame portion, a rear frame portion, and two side frame portions. The bicycle trailer has extensions in the longitudinal direction, the lateral direction, and the height direction, and includes a seat structure. The seat structure includes a seat back and a seat bottom, the seat back being configured for connection to the bicycle trailer in a first position and a second position. This disclosure also relates to a bicycle trailer including a main frame comprising a lower frame portion, a rear frame portion, and two side frame portions. The rear frame portion includes an upper crossbar extending between the two side frame portions, and the bicycle trailer includes a seat structure comprising a seat back and a seat bottom, the seat back being configured for movement between an upright position and a reclining position, the seat back being connected to the crossbar via a tilting member capable of shifting between the first and second configurations.

Description

Technical Field

[0001] This disclosure relates to a bicycle trailer including a space for passengers. More specifically, this disclosure relates to a bicycle trailer including a seat structure releasably connected to the bicycle trailer and adapted to move between a first position and a second position. This disclosure also relates to a bicycle trailer including a seat structure configured to move between an upright position and a reclining position. Background Technology

[0002] The bicycle trailers disclosed herein are used to transport one or two children, pets, or other loads to be transported. Bicycle trailers are typically configured for a single purpose, such as transporting one or two children or for transporting goods. This may necessitate the use of different bicycle trailers for different purposes; otherwise, the stability and safety of the bicycle trailer may be compromised when it is used for a different purpose than the intended one, such as when it is used for one child instead of two.

[0003] Bicycle trailers designed for multiple purposes and with seat structures that have both upright and tilted positions can often be cumbersome and complicated for users to operate between these positions.

[0004] In view of the above, there is a need for a bicycle trailer that is configured for multiple purposes and / or is easy, stable and convenient for use in different purposes and seating positions. Summary of the Invention

[0005] One or more of the above objectives can be achieved using a bicycle trailer according to the invention and / or a bicycle trailer according to the invention. Further embodiments are also illustrated in the following description and drawings.

[0006] According to a first aspect, this disclosure relates to a bicycle trailer including a main frame. The main frame includes a lower frame portion, a rear frame portion, and two side frame portions disposed on opposite lateral sides of the lower frame portion, the main frame defining accommodating space for transporting passengers and / or loads. The bicycle trailer has extensions in the longitudinal direction, the lateral direction, and the height direction. The bicycle trailer includes a seat structure forming a seating area for passengers, said seat structure including a seat back and a seat bottom. The seat back is releasably connected to the bicycle trailer in a first position and a second position, the first position providing a first lateral seating area for the passenger, and the second position providing a central seating area for the passenger, as seen in the lateral direction.

[0007] This configuration allows the seat back (such as the seat structure) to shift between a first position and a second position, thereby allowing alternation between bicycle trailers having a first lateral seating area and a central seating area. Thus, a bicycle trailer can have a central seating area providing a stable and balanced configuration when the bicycle trailer is used for only one child, and a first lateral seating area allowing the transport of a second child, pet, or load on the second lateral seating area.

[0008] A bicycle trailer is a trailer adapted for attachment to a bicycle. A bicycle trailer may include a bicycle coupling, for example, located on the front frame portion of the underframe. The bicycle coupling may be adapted for attachment, for example, rigidly attached to the bicycle frame, the front wheel, or the rear wheel.

[0009] As seen in both the lateral and vertical directions, the main frame may surround the seat structure. The rear frame portion may include an upper crossbar, and the upper crossbar and the two side frame portions may surround the seat structure to provide upper and lateral protection for the passenger (i.e., a child riding in a bicycle trailer).

[0010] The rear frame may include an upper crossbar having a central portion and a first lateral portion and a second lateral portion disposed on opposite sides of the central portion, as seen in the lateral direction. A seat back may be releasably connected to the upper crossbar at its upper end section. The seat back may be configured for releasable connection to the upper crossbar in a first position and a second position, the first position being disposed on a first lateral portion of the crossbar to provide a seat structure in a first lateral seating area for a passenger, and the second position being disposed on the central portion of the upper crossbar to provide a seat structure in a central seating area for a passenger. This configuration provides an improved and easily implemented connection and allows the seat back (such as the seat structure) to move between the first and second positions.

[0011] The seat back and / or upper crossbar may include a connecting member configured for a releasable connection between the seat back and the upper crossbar, and the connecting member can be moved by sliding in or on the upper crossbar, for example, sliding in a track provided on the upper crossbar between a first position and a second position. This allows for convenient movement of the seat back, such as a seat structure, between the first and second positions. The seat back may include a seat back connecting member, and the crossbar may include a crossbar connecting member, the seat back connecting member and the crossbar connecting member being mating crossbar connecting members.

[0012] The seat back and seat base can be a single integrated unit. This allows the seat back and seat base to detach from the bicycle trailer when the seat back is disconnected. The seat back can optionally be hinged to the trailer, allowing the seat back to be positioned in both an upright and reclining position. This configuration means that the entire seat structure, including the seat back and seat base, can shift between a first position and a second position.

[0013] As seen in the lateral direction, the seat bottom may extend above the first lateral seating area and above the central seating area for passengers, and the seat back may be releasably connected to the seat bottom in both a first and a second position. This configuration allows the seat back to move only between the first and second positions, thereby allowing alternation between bicycle trailers having the first lateral seating area and the central seating area.

[0014] The bicycle trailer may include a first locking member and / or a second locking member, and the first position and / or the second position may be a first locking position and / or a second locking position, thereby preventing the seat back and / or seat structure from moving in the lateral direction when the first locking member and / or the second locking member are locked.

[0015] The underframe may include a first underframe side section and a second underframe side section, and a lower crossbar may extend between the first and second underframe side sections, with the seat bottom supported by the lower crossbar. This provides a stable configuration for the seat structure. A lower rear crossbar may additionally extend between the first and second underframe side sections, with the seat bottom also supported by the lower rear crossbar.

[0016] The seat structure can have a rigid base structure that covers both the backrest and the bottom of the seat. For example, the seat structure can have a rigid plastic base structure that completely covers both the backrest and the bottom of the seat. In this context, "backrest" refers to the side that is not intended to face the user sitting in the seat structure. A seat structure with a rigid base structure facilitates the removal and repositioning of the seat structure.

[0017] The bicycle trailer may include a second seating structure that forms a seating area for a second passenger. The second seating structure may include a seat back and a seat bottom, the seat back of the second seating structure being releasably connected to the bicycle trailer in a third position providing a second lateral seating area for the second passenger.

[0018] The second seat structure may include the features of the seat structure according to the first aspect.

[0019] The rear frame portion may include an upper crossbar extending between the two side frame portions. The seat back can be configured to move between an upright position and a reclining position, and the seat back can be releasably connected to the crossbar at its upper end section via a tilting member. The tilting member can shift between a first configuration in which the seat back is in an upright position and a second configuration in which the seat back is in a reclining position, the upper end section of the seat back being positioned at a greater distance from the crossbar than in the first configuration.

[0020] The tilting member can be an adjustable belt member, an adjustable rigid connector, or a rod.

[0021] The tilting member and upper section of the seat back may include corresponding mating coupling elements, such as providing a snap-fit ​​connection or a threaded connection, thereby providing a releasable connection between the seat back and the crossbar.

[0022] The seat back can be hinged to the bottom of the seat, and the seat structure can be provided with a spring-biasing member, such as a torsion spring, that biases the seat back towards the reclined position. This facilitates moving the seat back to the reclined position.

[0023] The underframe portion may include a first underframe side section and a second underframe side section, and a lower crossbar may extend between the first underframe side section and the second underframe side section, wherein the bottom of the seat is supported by the lower crossbar.

[0024] The seat structure can have a rigid base structure that covers both the back side of the seat back and the bottom of the seat. The seat structure can, for example, have a rigid plastic base structure that completely covers both the back side of the seat back and the bottom of the seat. In this document, "back side" refers to the side that is not intended to face the user sitting in the seat structure.

[0025] According to a second aspect, this disclosure relates to a bicycle trailer including a main frame comprising a lower frame portion, a rear frame portion, and two side frame portions disposed on opposite lateral sides of the lower frame portion. The main frame defines accommodating space for transporting passengers and / or loads. The bicycle trailer has extensions in the longitudinal direction, the lateral direction, and the height direction. The rear frame portion includes an upper crossbar extending between the two side frame portions. The bicycle trailer includes a seat structure forming a seating area for passengers, the seat structure including a seat back and a seat bottom. The seat back is configured to move between an upright position and a reclining position, and the seat back is connected to the crossbar at an upper end section of the seat back via a tilting member. The tilting member is transferable between a first configuration and a second configuration, wherein the seat back is in an upright position in the first configuration and in a reclining position in the second configuration. The upper end section of the seat back is configured to be positioned at a greater distance from the crossbar in the second configuration compared to the first configuration.

[0026] The bicycle trailer according to the second aspect provides an improved and robust bicycle trailer, which includes a seat structure that can be easily adjusted between an upright and tilted position. Since the tilting member is directly connected to the crossbar, this is an easy-to-implement and stable solution.

[0027] The seat back can be releasably attached to the crossbar.

[0028] The tilting member can be an adjustable belt member, an adjustable rigid connector, or a rod.

[0029] The tilting member and upper section of the seat back may include corresponding mating coupling elements, such as providing a snap-fit ​​connection or a threaded connection, thereby providing a releasable connection between the seat back and the crossbar.

[0030] The seat back can be hinged to the bottom of the seat, and the seat structure can be provided with a spring-biasing member, such as a torsion spring, that biases the seat back towards the reclined position. This facilitates moving the seat back to the reclined position.

[0031] The underframe portion may include a first underframe side section and a second underframe side section, and a lower crossbar may extend between the first underframe side section and the second underframe side section, wherein the bottom of the seat is supported by the lower crossbar.

[0032] The seat structure can have a rigid base structure that covers both the back side of the seat back and the bottom of the seat. The seat structure can, for example, have a rigid plastic base structure that completely covers both the back side of the seat back and the bottom of the seat. In this document, "back side" refers to the side that is not intended to face the user sitting in the seat structure. Attached Figure Description

[0033] The invention will be further explained below with the aid of non-limiting examples and with reference to the accompanying drawings, wherein:

[0034] Figures 1a to 1c The illustration shows a perspective view of a bicycle trailer according to the present disclosure, wherein a seat structure is attached to the bicycle trailer in an alternative position;

[0035] Figures 2a to 2b The illustration shows a bicycle trailer and a portion of a seat back according to the present disclosure, the seat back including a tilting member;

[0036] Figure 3 The diagram illustrates the following: Figure 1a Cross-sectional view of the underframe and seat structure of the bicycle trailer;

[0037] Figure 4a The diagram illustrates the following: Figure 1a A perspective view of a bicycle trailer, in which the seat back is positioned in an upright position; and

[0038] Figure 4b The diagram shows Figure 4a A perspective view of a bicycle trailer in which one seat back has been repositioned to a tilted position while the other seat back remains upright. Detailed Implementation

[0039] It should be understood that the accompanying drawings are schematic diagrams, and the components are not necessarily drawn to scale. The bicycle trailer shown in the drawings, including the main frame, seat structure, and tilting member, is provided as an example only and should not be considered as limiting the invention. Therefore, the scope of the invention is defined only by the appended claims.

[0040] Figure 1aA bicycle trailer 1 according to the present disclosure is shown. The bicycle trailer 1 includes a main frame 2, which includes a lower frame portion 3, a rear frame portion 4, and two side frame portions 5, 6 disposed on opposite lateral sides of the lower frame portion 3. The main frame 2 defines a passenger-accommodating space 7. The bicycle trailer 1 has extensions in the longitudinal direction L, the lateral direction T, and the height direction H, corresponding to the direction of travel of the bicycle trailer in use. The rear frame portion 4 includes an upper crossbar 8, which has a central portion 8a and a first lateral portion 8b and a second lateral portion 8c disposed on opposite sides of the central portion 8a of the crossbar 8, as seen in the lateral direction T. The bicycle trailer 1 includes a seat structure 9 forming a seating area for passengers, the seat structure 9 including a seat back 9a and a seat bottom 9b. The crossbar 8 includes a connecting member 11, and the seat back 9a is releasably connected to the upper crossbar 8 at its upper end section 10 via the connecting member 11. The seat back 9a is configured for a first position P1 and a second position P2 (e.g., Figure 1b As shown, it can be releasably connected to the upper crossbar 8.

[0041] The bicycle trailer 1 also includes a second seat structure 16, which forms a second seating area for a second passenger. The second seat structure 16 includes a second seat back 16a and a second seat bottom 16b. In a third position P3, the second seat structure 16 is releasably connected to a second lateral portion 8c of the upper crossbar 8, thereby forming a second lateral seating area for the second passenger. The upper crossbar 8 includes a second connecting member 18 configured for a releasable connection between the second seat back 16a and the upper crossbar 8.

[0042] The lower frame portion 3 of the main frame 2 includes a first lower frame side section 3a and a second lower frame side section 3b, and the lower crossbar 14 extends between the first lower frame side section 3a and the second lower frame side section 3b to support the bottom of the seat 9b. Figure 1a The seat bottom 9b is releasably connected to the lower frame portion 3. The bicycle trailer 1 includes a first locking member 13a and a second locking member 13b. The first locking member 13a locks the seat structure 9 in a first position P1, and the second locking member 13b locks the second seat structure 16 in a third position P3. When the seat structures 9 and 16 are in the corresponding first and second locking positions, movement of the seat structures is prevented.

[0043] The connecting member 11 and the second connecting member 18 also each have the function of corresponding tilting members 15 and 19. The seat back 9a and the second seat back 16a are configured for use in... Figure 4a and Figure 4bThe seat backrests 9a and 16a are movable between an upright position and an inclined position, as shown in the diagram. The inclined members 15 and 19 are transferable between a first configuration C1 and a second configuration C2, wherein the corresponding seat backrests 9a and 16a are in an upright position in the first configuration C1, and in an inclined position in the second configuration C2. The positioning of the corresponding seat backrests 9a and 16a is independent of each other, meaning that when the second seat backrest 16b is in an inclined position, the seat backrest 9a can be in an upright position, and vice versa.

[0044] Figure 1b The illustration shows the second seat structure 16 after it has been disconnected from the first lateral portion 8a of the crossbar 8 and removed from the bicycle trailer 1, and after the seat back 9a of the seat structure 9 has been disconnected from the first position P1 and moved to the second position P2. Figure 1a The bicycle trailer 1. The second position P2 is arranged on the central portion 8a of the upper crossbar 8, and provides a central seating area for the passenger when the seat structure 9 is arranged in the second position P2. The seat structure 9 can be transferred from the first position P1 to the second position P2 by: unlocking the locking member 13a provided in the figure on the releasable connection between the seat bottom 9b and the lower crossbar 14; and by sliding the seat bottom 9b above the lower crossbar 14 and above the rear lower crossbar 20 that provides support for the seat bottom 9b; and by sliding the seat bottom 9b on the track provided in the crossbar 8. Figure 2b (As shown in the figure) the sliding seat back 9a. Since the seat structure 9 remains connected to the main frame 2 when the seat structure 9 is transferred between the first position P1 and the second position P2, there is no need for the cumbersome removal and repositioning of the seat structure 9.

[0045] Figure 1c The illustration shows the seat structure 9 connected to the crossbar 8 in the first position P1 and providing a first lateral seating area. Figure 1a and Figure 1b Bicycle trailer 1. In Figure 1a In the space providing the second lateral seating area, luggage 21 is alternatively accommodated and releasably connected to the lower crossbar 14 and the rear lower crossbar 20 (not shown).

[0046] Figure 2a It shows Figure 1a The connection between the seat structure 9 and the crossbar 8. The upper end section 10 of the seat back 9a includes a connecting member 11, which is releasably connected to the upper crossbar 8. In this embodiment, the connecting member 11 also functions as a tilting member 15. In this illustration, the tilting member 15 is a belt member. Figure 2a In the image, the seat back 9a is shown in an upright position, which can provide the seat back 9a in an inclined position when the belt is released. Figure 2b It is a diagram. Figure 2a The cross-sectional view showing the connection between the seat structure 9 and the crossbar 8. (As shown in...) Figure 2a As can be seen, the crossbar 8 extending from the side frame portion 5 has a rail 12 on its downward side facing the seat structure 9. The connecting member 11 can be moved from a first position P1 to a second position P2 by sliding in the rail 12 in the upper crossbar 8. Figure 1b (As shown in the diagram). The connecting member 11 is attached to the upper end section 10 of the seat back 9a and is a strap connected to the hook member that slides in the crossbar 8.

[0047] Figure 3 The illustration shows a cross-sectional view of a portion of a seat structure 9, which includes a seat back 9a, a seat bottom 9b, a lower crossbar 14, and a rear lower crossbar 20 supporting the seat bottom 9b. The seat bottom 9b is releasably connected to the lower crossbar 14 via a seat bottom connecting member 22 and releasably connected to the rear lower crossbar 20 via a rear seat bottom connecting member 24 configured to allow the seat bottom 9b to slide over the lower crossbar 14 and over the rear lower crossbar 20. The seat bottom connecting member 22 includes a first locking member 13a that prevents the seat structure 9 from sliding in the lateral direction T when the first locking member 13a is locked. Figure 1a (As shown in the image) Move upwards.

[0048] Figure 4a and Figure 4b The image shown is from the rear side of the bicycle trailer 1. Figure 1a A perspective view of a bicycle trailer. The bicycle trailer 1 includes a main frame 2, which includes a lower frame portion 3, a rear frame portion 4, and two side frame portions 5 and 6 disposed on opposite lateral sides of the lower frame portion 3. The rear frame portion 4 includes an upper crossbar 8, which has a central portion 8a. Figure 1b(shown in the diagram) and a first lateral portion 8b and a second lateral portion 8c disposed on opposite sides of the central portion 8a of the crossbar 8. The bicycle trailer 1 includes a seat structure 9 forming a seating area for a passenger. The bicycle trailer also includes a second seat structure 16, which forms a second seating area for a second passenger. The seat back 9a of the seat structure 9 is releasably connected to the upper crossbar 8 via a connecting member 11 disposed at the upper end section 10 of the seat back 9a. The seat back 9a is connected to the first lateral portion 8b in a first position P1, thus forming a first lateral seating area. The second seat back 16a of the second seat structure 16 is releasably connected to the upper crossbar 8 via a second connecting member 18 disposed at the upper end section 17 of the second seat back 16a. The second seat back 16a is connected to the second lateral portion 8c of the upper crossbar 8 in a third position P3, thus forming a second lateral seating area. The second connecting member 18 is in the form of a belt and also functions as a tilting member 19.

[0049] The seat back 9a and the second seat back 16a are configured to move between an upright position and a reclining position. The reclining members 15 and 19 are capable of being moved between the first configuration C1 (e.g., Figure 4a The first configuration C1 (shown in the figure) is shifted between the second configuration C2 (not shown), wherein the corresponding seat backrests 9a, 16a in the first configuration C1 are in an upright position, while the corresponding seat backrests 9a, 16a in the second configuration C2 are in an inclined position. Figure 4b The illustration shows the seat back 9a moved to an inclined position via the release strap 15 and by providing the tilt member 15 in the second configuration C2, wherein the upper end section 10 in the second configuration C2 is set at a greater distance from the crossbar compared to when the tilt member 15 is in the first configuration C1. Figure 4b As shown, the corresponding seat backrests 9a and 16a are positioned independently of each other, which means that when the second seat backrest 16b is in an inclined position, the seat backrest 9a can be in an upright position, and vice versa.

[0050] The seat back 9a is hinged to the seat bottom 9b, and the seat structure 9 is provided with a first spring biasing member 25, such as a torsion spring, which biases the seat back 9a toward a tilted position. The second seat back 16a is also hinged to the second seat bottom 16b, and the second seat structure 16 is provided with a second spring biasing member 26, such as a torsion spring, which biases the second seat back 16a toward a tilted position. This facilitates moving the seat from an upright position to a tilted position.

Claims

1. A bicycle trailer (1) comprising a main frame (2) including a lower frame portion (3), a rear frame portion (4), and two side frame portions (5, 6) disposed on opposite lateral sides of the lower frame portion (3), the main frame (2) defining a passenger-accessible space (7), wherein the bicycle trailer (1) has extensions in a longitudinal direction (L), a lateral direction (T), and a height direction (H), the bicycle trailer (1) including a seat structure (9) forming a seating area for the passenger, the seat structure (9) including a first seat back (9a) and a first seat bottom (9b), wherein the first seat back (9a) is configured for releasable connection to the bicycle trailer (1) in a first position (P1) and a second position (P2) in the lateral direction (T), the first position (P1) providing a first lateral seating area for the passenger, and the second position (P2) providing a central seating area for the passenger, wherein, The bicycle trailer (1) includes a first locking member (13a) and a second locking member (13b), the first locking member (13a) and the second locking member (13b) preventing the seat structure (9) from moving in the lateral direction (T) when the first locking member (13a) and the second locking member (13b) are locked, wherein the first seat bottom (9b) is releasably connected to the lower frame portion (3) via the first locking member (13a) and / or the second locking member (13b), and wherein the first position (P1) and the second position (P2) are a first locking position and a second locking position preventing the seat structure (9) from moving in the lateral direction (T) when the first locking member (13a) and / or the second locking member (13b) are locked.

2. The bicycle trailer (1) according to claim 1, wherein the rear frame portion (4) includes an upper crossbar (8) having a central portion (8a) and a first lateral portion (8b) and a second lateral portion (8c) disposed on opposite sides of the central portion (8a) in the lateral direction (T), wherein a first seat back (9a) is releasably connected to the upper crossbar (8) at an upper end section (10) of the first seat back (9a), and wherein the first seat back (9a) is configured to be releasably connected to the upper crossbar (8) in a first position (P1) and a second position (P2), the first position (P1) being arranged on the first lateral portion (8b) of the upper crossbar (8) to form a first lateral seating area for the passenger, and the second position (P2) being arranged on the central portion (8a) of the upper crossbar (8) to form the central seating area for the passenger.

3. The bicycle trailer (1) according to claim 2, wherein the first seat back (9a) and / or the upper crossbar (8) includes a connecting member (11) configured to be releasably connected between the first seat back (9a) and the upper crossbar (8), and wherein the connecting member (11) is transferable between a first position (P1) and a second position (P2) by sliding in or on the upper crossbar (8).

4. The bicycle trailer (1) according to claim 3, wherein, The connecting member (11) can be moved between the first position (P1) and the second position (P2) by sliding in the upper crossbar (8) or on the track (12) provided in the upper crossbar (8).

5. The bicycle trailer (1) according to any one of claims 1 to 4, wherein the first seat back (9a) and the first seat bottom (9b) are an integral unit.

6. The bicycle trailer (1) according to claim 1, wherein in the lateral direction (T), the first seat bottom (9b) extends above the first lateral seating area and above the central seating area of ​​the passenger, and the first seat back (9a) is releasably connected to the first seat bottom (9b) in the first position (P1) and the second position (P2).

7. The bicycle trailer (1) according to any one of claims 1 to 4, wherein the underframe portion (3) includes a first underframe side section (3a) and a second underframe side section (3b), and wherein a lower crossbar (14) extends between the first underframe side section (3a) and the second underframe side section (3b), and the bottom of the first seat (9b) is supported by the lower crossbar (14).

8. The bicycle trailer (1) according to any one of claims 1 to 4, wherein the seat structure (9) has a rigid base structure that covers the back side of the first seat back (9a) and the bottom of the first seat (9b) respectively.

9. The bicycle trailer (1) according to any one of claims 1 to 4, wherein the bicycle trailer (1) includes a second seat structure (16) forming a seating area for a second passenger, the second seat structure (16) including a second seat back (16a) and a second seat bottom (16b), wherein the second seat back (16a) of the second seat structure (16) is releasably connected to the bicycle trailer (1) in a third position providing a second lateral seating area for the second passenger.

10. The bicycle trailer (1) according to claim 9, wherein the second seat structure (16) comprises the features of the seat structure (9) according to any one of claims 1 to 7.

11. A bicycle trailer (1) according to any one of claims 1 to 4, comprising a main frame (2) including a lower frame portion (3), a rear frame portion (4), and two side frame portions (5, 6) disposed on opposite lateral sides of the lower frame portion (3), the main frame (2) defining a passenger-accessible space (7), wherein the bicycle trailer (1) has extensions in the longitudinal direction (L), the lateral direction (T), and the height direction (H), the rear frame portion (4) including an upper crossbar (8) extending between the two side frame portions (5, 6), the bicycle trailer (1) including a seat structure (9) forming a seating area for a passenger, the seat structure (9) including a first seat back (9a) and a first seat bottom (9a). 9b) The first seat back (9a) is configured to move between an upright position and a tilted position. The first seat back (9a) is connected to the upper crossbar (8) via a tilting member (15) at the upper end section (10) of the first seat back (9a). The tilting member (15) is movable between a first configuration (C1) and a second configuration (C2), wherein in the first configuration (C1) the first seat back (9a) is in the upright position and in the second configuration (C2) the first seat back (9a) is in the tilted position, and wherein the upper end section (10) of the first seat back (9a) is set to be a greater distance from the crossbar (8) than in the first configuration (C1) in the second configuration (C2).

12. The bicycle trailer (1) according to claim 11, wherein the tilting member (15) is an adjustable belt member, an adjustable rigid connector, or a rod.

13. The bicycle trailer (1) according to claim 11, wherein the tilting member (15) and the upper end section (10) of the first seat back (9a) include corresponding mating coupling elements to provide the releasable connection between the first seat back (9a) and the crossbar (8).

14. The bicycle trailer (1) according to claim 13, wherein, The mating connection element is a snap-fit ​​connection or a threaded connection.

15. The bicycle trailer (1) according to claim 11, wherein the first seat back (9a) is hingedly connected to the bottom of the first seat (9b), and wherein the seat structure (9) is provided with a spring biasing member that biases the first seat back (9a) toward the inclined position.

16. The bicycle trailer (1) according to claim 15, wherein, The spring biasing member is a torsion spring.

17. The bicycle trailer (1) according to claim 11, wherein the underframe portion (3) includes a first underframe side section (3a) and a second underframe side section (3b), and wherein a lower crossbar (14) extends between the first underframe side section (3a) and the second underframe side section (3b), and the bottom of the first seat (9b) is supported by the lower crossbar (14).

18. The bicycle trailer (1) according to claim 11, wherein the seat structure (9) has a rigid base structure that covers the back side of the first seat back (9a) and the bottom of the first seat (9b) respectively.

19. A bicycle trailer (1) comprising a main frame (2) including a lower frame portion (3), a rear frame portion (4), and two side frame portions (5, 6) disposed on opposite lateral sides of the lower frame portion (3), the main frame (2) defining a passenger-accessible space (7), wherein the bicycle trailer (1) has extensions in a longitudinal direction (L), a lateral direction (T), and a height direction (H), the rear frame portion (4) including an upper crossbar (8) extending between the two side frame portions (5, 6), the bicycle trailer (1) including a seat structure (9) forming a seating area for a passenger, the seat structure (9) including a first seat back (9a) and a first seat bottom (9b), the first seat back (9a) being configured to move between an upright position and a reclining position, the first seat back (9a) being in the first seat back (9a) The upper end section (10) is connected to the upper crossbar (8) via an inclined member (15) that is movable between a first configuration (C1) and a second configuration (C2), wherein in the first configuration (C1) the first seat back (9a) is in the upright position and in the second configuration (C2) the first seat back (9a) is in the inclined position, wherein the upper end section (10) of the first seat back (9a) is set to be a greater distance from the crossbar (8) in the second configuration (C2) than in the first configuration (C1), wherein the inclined member (15) is an adjustable length strap member, wherein the first seat back (9a) is hingedly connected to the bottom of the first seat (9b), and wherein the seat structure (9) is provided with a spring biasing member that biases the first seat back (9a) toward the inclined position.

20. The bicycle trailer (1) of claim 19, wherein the tilting member (15) and the upper end section (10) of the first seat back (9a) include corresponding mating coupling elements to provide a releasable connection between the first seat back (9a) and the crossbar (8).

21. The bicycle trailer (1) according to claim 20, wherein, The mating connection element is a snap-fit ​​connection or a threaded connection.

22. The bicycle trailer (1) according to claim 21, wherein, The spring biasing member is a torsion spring.

23. The bicycle trailer (1) according to claim 19 or 20, wherein the underframe portion (3) includes a first underframe side section (3a) and a second underframe side section (3b), and wherein a lower crossbar (14) extends between the first underframe side section (3a) and the second underframe side section (3b), and the bottom of the first seat (9b) is supported by the lower crossbar (14).

24. The bicycle trailer (1) according to claim 19 or 20, wherein the seat structure (9) has a rigid base structure that covers the back side of the first seat back (9a) and the bottom of the first seat (9b), respectively.

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