175results about "Sidecars" patented technology

A motor-driven trailer and towbar system includes a towbar having a vehicle side end configured to connect with the vehicle and a trailer side end configured to connect with a trailer coupling. The towbar is pivotably coupled to the trailer and configured to pivot along a pivoting path (P) between a lowered position (L) and a raised position (R) with respect to the trailer. At least one first sensor element is configured to detect a position of the towbar along the pivoting path (P). A control unit (TCU) is in communication with the at least one first sensor element and is configured to switch the system between an operating mode and a parking mode. The system is switched into the parking mode when the towbar is in a raised position (R) and is switched into the operating mode when the towbar is in a lowered position (L).

The utility model provides a device installed on a two-wheeled vehicle and used for dragging a child bicycle, and relates to the technical field of brackets. The device comprises a cross beam, a vertical rod, a connecting assembly, an adjusting assembly, a wheel body limiting assembly and a binding and fixing assembly, the connecting assembly is detachably connected with the cross beam and a rear wheel right side bottom fork of the two-wheeled vehicle, the vertical rod is rotationally connected with the adjusting assembly, the adjusting assembly is detachably connected with the cross beam, and the wheel body limiting assembly is jointly arranged on one end of the cross beam and the adjusting assembly. The binding and fixing assembly is detachably connected with the vertical rod, and the wheel body limiting assembly and the binding and fixing assembly can fix a front wheel of the child bicycle. The two-wheeled vehicle provided with the device can drag the child bicycle to move, so that the child bicycle is more convenient to carry, and the device is more concise in overall structure, higher in strength, rich in adjusting mode, capable of adapting to various child bicycles of different specifications and wider in application range.

The utility model relates to the technical field of bicycle auxiliary tools, in particular to a novel bicycle dragging device. The traction mechanism comprises a front vehicle and a rear vehicle assembled at the tail of the front vehicle, a wheel axle is arranged at the axis of a front wheel of the rear vehicle, the traction mechanism is assembled between the front vehicle and the rear vehicle and comprises a traction rod, a connector, a trailer rod, a fixing rib plate and a butt joint assembly, and a supporting rod of a cushion of the front vehicle is connected with the traction rod through a universal joint. By means of the structural design of the dragging mechanism and the butt joint assembly, the front vehicle and the rear vehicle can be conveniently connected through the device, triangular-like stable connection can be formed, connection firmness is improved, torsion of the handlebar assembly of the rear vehicle is avoided, safety of the device is improved, and the device is suitable for popularization and application. And through the structural design of the traction rod, the connector, the trailer rod and the telescopic mechanism, the device can be folded and stored when not used, space is saved, the position of the telescopic rod can be adjusted, and the using effect is good.

A cart / trailer, yoke mechanism, and hitch mechanism are disclosed. The cart / trailer could be an assembly for moving and transporting objects comprising a tow bar (synonymous herein with a handle or kickstand); a variable-positioning yoke assembly for facilitating the placement of the tow bar into positions of a towbar, handle, or kickstand; and a main structure within which equipment such as sporting accessories may be placed for transport for moving and transporting objects. The coupling device could include a main body with an inner surface, and a pair of opposing flanges extending downwardly and substantially perpendicularly away from the main body for facilitating the positioning of the yoke in variable positions. The hitch mechanism could include a hitch and interface with receiver and hitch portions for facilitating the hitching of the cart / trailer to a mobility device.

A cargo attachment for attachment to a parent vehicle having a front wheel and a rear wheel is provided. The cargo attachment comprises: a frame configured to, in use, remain substantially parallel to a plane perpendicular to a rear wheel axis of the parent vehicle; and a device wheel pivotable relative to the frame. The cargo add-on is configured to convert the parent vehicle into a cargo vehicle.

In some embodiments, a docking station includes a scooter locking section that allows the electric scooter to be removed from the docking station when the electric scooter is in a non-rotated orientation and prevents the electric scooter to be removed from the docking station when the electric scooter is in a rotated orientation.

The invention discloses an assembling structure of a sidecar hopper and a sidecar frame. The assembling structure of the side bucket and the side frame comprises a connecting seat arranged on the side frame, an upper connecting column arranged at the lower end of the side bucket and a locking device used for locking the upper connecting column and the connecting seat, and a first mounting cavity is formed in the connecting seat; the upper connecting column is provided with a second mounting cavity; the connecting base and the upper connecting column are provided with inserting openings, and positioning openings are formed in the two side walls of the connecting base and the two side walls of the upper connecting column. The locking device comprises a mounting seat with an insertion opening penetrating into the second mounting cavity, two limiting plates arranged on the mounting seat, a first handle connected with the mounting seat and limited outside the rear side of the connecting seat, and a first elastic piece; the first elastic piece is connected between the two limiting plates, the first elastic piece pushes the limiting plates to expand outwards to enter the two positioning openings when stretching, and when force in the opposite direction is applied to the two limiting plates, the two limiting plates are folded inwards and compress the first elastic piece. According to the assembling structure of the side bucket and the side frame, the side bucket and the frame can be rapidly assembled.

The present invention relates to an electric product transportation vehicle for transporting products from one place to another, and a product transportation system and method for managing the product transportation process.

An auxiliary traction device (1) for wheelchairs (W), comprising a support structure (2) to which a drive wheel (3) is rotatably coupled comprising a wheel (31) operatively connected to an electric motor (32), an electronic control unit (4) configured to control the electric motor (32), a connection assembly (6) rotatably associated to the support structure (2) so as to define a steering axis (Y) of the support structure (2) and of the drive wheel (3) relative to the connection assembly (6). The auxiliary traction device also comprises a hooking body (7) defined coaxially to the steering axis (Y), rotatably coupled to the connection assembly (6) and integrally connected with a first end (7a) thereof to the support structure (2). Such a hooking body (7) is provided, at the second end (7b), opposite to the first end (7a), with a hooking shaping (71) so as to allow the operating hooking of an external accessory device (200, 300, 400) provided with a counter-shaping (205, 304, 401) complementary to the hooking shaping (71).

The invention relates to a two-track trailer for an unmotorized or auxiliary motor-driven towing vehicle, in particular for a bicycle or a pedelec, comprising a chassis. To improve the usability of such a trailer, the chassis has a frame module (111) whose basic shape correlates with the basic shape of a base frame (101) of the chassis or an outer contour of a chassis tub.

The present disclosure pertains to a bike trailer (1) comprising a main frame (2), the main frame (2) comprising a lower frame portion (3), a rear frame portion (4) and two side frame portions (5,6) provided on opposite lateral sides of the lower frame portion (3), the main frame (2) defining an accommodation space (7) for a passenger. The bike trailer (1) has an extension in a longitudinal direction (L), in a transverse direction (T) and in a height direction (H). The rear frame portion (4) comprises an upper cross bar (8) extending between the two side frame portions (5,6), the bike trailer (1) comprising a seat structure (9) forming a seating area for a passenger, the seat structure (9) comprising a seat back (9a) and a seat bottom (9b), the seat back (9a) being configured for moving between an upright position and a reclined position, the seat back (9a) being connected to the cross bar (8) at an upper end section (10) of the seat back (9a) via a reclining member (15), the reclining member (15) being transferable between a first configuration (C1) wherein the seat back (9a) is in the upright position and a second configuration (C2) wherein the seat back (9a) is in the reclined position, and wherein the upper end section (10) of the seat back (9a) is provided with a greater distance from the cross bar (8) in the second configuration (C2) than in the first configuration (C1).

Tow bar arrangement (100) for interconnection of a vehicle (10) and a trailer (20) for towing the trailer (20) by the vehicle (10) along a support surface (G), wherein the tow bar arrangement (100) comprises a control device (110) in turn comprising an ac- celeration sensor (111) arranged to sense an instantaneous acceleration of the trailer (20) along the support surface (G). The control device (110) is arranged to read the instantaneous acceleration from the acceleration sensor (111) and to produce a control signal for an electric motor (21) arranged to propel the trailer (20) so that a force developed by the motor (21) aims at maintaining a set acceleration of the trailer (20) along the support surface (G); is arranged to read the measured acceleration to produce a first time series, of acceleration measurement values; comprises a low-pass filter (112) arranged to filter the first time series, or a second time series being calculated based on the first time series, to produce a third time series, of low- pass filtered values; and furthermore comprises a regulator (113), arranged to produce the control signal based on the third time series.

The present invention relates to a framework having tilting wheels (4, 4') applicable to moving a wheelchair or transport cart, which can be coupled to a vehicle, preferably a bicycle fork, the framework incorporating a support structure (1) on which a fork (2) is coupled, an upper rotating bar (5) that tilts around the support structure (1), respective tilting arms (3, 3') connected to each of the wheels (4, 4') and to the support structure (1), and respective side tie rods (6) that pull the tilting arms (3, 3') when the rotating bar (5) pivots as the fork (2) pivots and / or tilts. Similarly, the present invention relates to a wheelchair comprising a chassis (9) on which a seat (9) and a backrest are assembled, which are integrated with the tilting wheels in the framework.

The utility model discloses a side motor tricycle suspension system which comprises a main tricycle and a side tricycle corresponding to the main tricycle, and a side tricycle frame is arranged on the side, close to the side tricycle, of the main tricycle. The sidecar frame comprises a first transverse connecting rod and a second transverse connecting rod, the first transverse connecting rod and the second transverse connecting rod are arranged in parallel, and a first longitudinal supporting rod and a second longitudinal supporting rod are arranged between the first transverse connecting rod and the second transverse connecting rod. The first longitudinal supporting rod and the second longitudinal supporting rod are arranged in parallel and are perpendicular to the first transverse connecting rod and the second transverse connecting rod. The first transverse connecting rod is of a hollow structure, and a damping rod is arranged in the first transverse connecting rod. A first connecting part is arranged at the position, opposite to the first transverse connecting rod, of the main trolley, and a second connecting part is arranged at the position, opposite to the first transverse connecting rod, of the side trolley. One end of the damping rod is detachably connected with the first connecting part, and the other end of the damping rod is detachably connected with the second connecting part. The shock absorption purpose is achieved, meanwhile, the stability and comfort of the sidecar are enhanced, and the later maintenance cost is reduced.

This invention relates to the field of transport vehicle technology, and discloses a seat with adjustable backrest angle and a transport vehicle. The adjustable seat includes: a top support rod with a sleeve on it, the sleeve being rotatably connected to the top support rod; a backrest connecting rod, a backrest, and a seat cushion; the seat cushion is connected to one end of the backrest, and the backrest can rotate relative to the seat cushion; the backrest connecting rod is rotatably connected to the other end of the backrest, and is movably inserted through the sleeve; a sliding sleeve is provided on the backrest connecting rod, rotatably connected to it, and fitted onto the top support rod, allowing the sleeve to slide along the top support rod. The advantages of this invention are that the overall structure for adjusting the backrest angle is simple, low-cost, and the adjustment is smooth, with little risk of jamming.

This invention discloses a novel connection structure between a children's vehicle and a bicycle, aiming to solve the shortcomings of existing technologies where connecting the headgear to a bicycle or children's vehicle is inconvenient. This invention solves the above-mentioned technical problems through the following technical solution: a connector with a limiting groove in the circumferential direction; the headgear connection assembly includes a headgear base, a first connecting hole within the headgear base, and a base mounting groove along its radial direction, intersecting with the first connecting hole; a limiting button and a limiting spring are provided within the base mounting groove, with the limiting spring abutting between the limiting button and the base mounting groove; the limiting button has a limiting through hole; during installation, the connector is placed in the first connecting hole and passes through the limiting through hole, and the limiting spring pushes the limiting button, causing the inner wall of the limiting through hole to abut against the limiting groove, thus connecting the connector and the headgear connection assembly, making it very convenient to connect and disconnect the connector and the headgear connection assembly.

A trailer for use with off-road vehicles such as all-terrain vehicles and snowmobiles. The disclosed off-road trailer can be adjusted to accommodate different trailer beds and attachments that can be readily off loaded and can be compactly packaged for shipping and storage. Modules for different conditions (e.g., ground or snow surface) can be implemented for multi-season usage. The disclosed suspension assembly enhances performance and robustness while maintaining cost effectiveness. The utility of the disclosed off-road trailer may be enhanced by grab handles for manual maneuvering, a rear bumper, and an active tail light. The overall design of the off-road trailer enables towing cargo behind a snowmobile or off-road vehicle over rough terrain at higher rates of speed than conventional off-road towable trailers.

Bicycle trailer, comprising a chassis (32) on which a drawbar (21) is arranged, wherein a coupling unit (24) for coupling the drawbar (31) to a coupling counter-unit (26) of a bicycle (10) is provided at an end of the drawbar (21) facing away from the chassis (32), at least one running wheel (34, 36), wherein the wheel hub (341, 361) of the running wheel (34, 36) is mounted on the chassis (32) via a wheel suspension (38, 40) so as to be rotatable about a rotation axis (D1, D2), and an environment detection device (70), wherein the wheel suspension (38, 40) is connected to a steering device (50) and is designed such that the at least one running wheel (34, 36) is rotated about a steering axis (LA1, LA2) relative to the chassis based on the actuation of the steering device (50). (32) is rotatable, wherein the steering device (50) and the environment sensor device (70) are connected in terms of signals to an accident prediction unit (80), wherein the fall prediction unit (80) is designed,predict an impending accident based on the information from the environment detection device (70) and transmit an evasive control signal to the steering device (50) based thereon.

The utility model relates to a portable and movable folding chair trailer. A body of the portable foldable chair trailer comprises a trailer platform and a foldable chair, and the trailer platform is formed by mutually nesting and connecting a fixed tubular shaft and a sliding tubular shaft for mounting wheels to form an axle wheel part of the trailer; two wide-mouth V-shaped left and right frame bodies made of square steel are opposite, the front ends of the frame bodies are hinged, and the other ends of the frame bodies are hinged to two sliding pipe shafts on the two sides of a fixed pipe shaft respectively or are arranged on the fixed pipe shaft in a sliding mode through a frame axle connecting pipe to form the foldable trailer frame. Two rear legs of the folding chair are respectively fixed on the two sliding tubular shafts on the two sides of the fixed tubular shaft, and longitudinal sliding grooves of the front legs of the folding chair are formed in the sections, connected with the fixed tubular shaft, of the left side frame body and the right side frame body of the two wide-opening V shapes forming the frame. The folding chair trailer main body consists of the foldable trailer platform and the folding chair, so that the folding chair trailer is convenient to carry and use after being folded and stored.

The utility model discloses a carrier which comprises a bearing body and two sets of wheel assemblies arranged at the bottom of the bearing body, the two sets of wheel assemblies are arranged at intervals in the front-back direction, and the position of at least one set of wheel assembly on the bearing body is adjustably arranged in the front-back direction. The state of the carrier can be changed through the adjusting wheel assembly, so that the carrier can be suitable for different scenes, the function of the carrier is fully played, and convenience is brought to a user.

The invention relates to a combination comprising a bicycle (100) and a bicycle trailer (200) connected thereto, wherein the bicycle trailer (200) has a first electric machine (1) that can be operated selectively as a motor or as a generator, wherein the combination has at least one energy storage device (2), a data processing unit (3) and means for detecting a first time derivative of a thrust force between the bicycle (100) and the bicycle trailer (200), wherein the data processing unit (3) is connected to the first electric machine (1) and the means for detecting the first time derivative of the thrust force in a signal-transmitting manner and is configured to operate the first electric machine (1) as a generator when the first derivative of the thrust force between the bicycle (100) and the bicycle trailer (200) reaches a threshold value in order to generate a negative maximum torque for emergency braking of the bicycle trailer (200).Furthermore, the invention also relates to methods for operating the combination.

A ball clamping type ball clamping structure of a bicycle carrying frame is characterized in that a trailer ball is clamped and fixed through a ball clamping assembly in a ball clamping cover, the upper end of the ball clamping cover is provided with a control assembly used for controlling the ball clamping assembly to be locked or loosened, and a limiting face and a guiding face are arranged between the interior of the ball clamping cover and a clamping piece. The included angle between the limiting face and the guiding face ranges from 74 degrees to 83 degrees, and therefore when the ball clamping assembly is controlled by the control assembly, the trailer ball can be stably clamped or loosened, and the clamping force is stable.

A trailer coupling mechanism, characterized in that it comprises: a first coupling unit, a connecting part movably connected to the first coupling unit, and a second coupling unit connected to the connecting part; wherein the first coupling unit is also connected to a trailer, and the second coupling unit is connected to an auxiliary vehicle; wherein the second coupling unit is adjustably arranged relative to the connecting part.

The motorcycle comprises a body, a side bucket, an overtaking lamp assembly, a sound production device, a position lamp assembly and a switch assembly, and the side bucket is connected to the body; the overtaking lamp assembly is connected to the body; the sounding device is at least partially connected to the body; the motorcycle further comprises a position lamp assembly and a switch assembly, the position lamp assembly comprises a pivot shaft, the position lamp assembly is rotationally connected to the side bucket through the pivot shaft, the switch assembly is electrically connected to at least one of the sound production device and the overtaking lamp assembly, and the switch assembly is further electrically connected to the position lamp assembly; under the condition that the position lamp assemblies are turned on, if the switch assembly is turned on, the switch assembly controls at least part of the position lamp assemblies to rotate around the pivot shaft. Through the arrangement, the safety of the motorcycle can be improved.