A weight distribution hitch system comprising a vehicle attachment member comprising a forward end configured to rigidly attach to a vehicle, and a rearward end extending rearwardly toward a trailer, the rearward end comprising an upper portion comprising a trailer attachment member configured to pivotally attach to a coupler of the trailer, and a lower portion configured to receive a moment bar; a moment bar comprising a moment bar forward end attached to the lower portion of the rearward end of the vehicle attachment member so as to prevent rotation about a horizontal axis, and a moment bar rearward end; a tension member comprising a top end configured to be supported by a frame member of the trailer, and a bottom end configured to support the rearward end of the moment bar, and a spring, configured to bias the moment bar rearward end toward the frame member of the trailer; and wherein, when the tension member is in tension, it imposes an upward force on the moment bar rearward end, which, in turn, imposes a forward moment on the vehicle is disclosed.

A weight distribution hitch system used with a hitch on a vehicle and a trailer, the system comprising: a jack with a foot and a motor configured to raise and lower a front portion of the trailer; a moment bar with a forward end attached to the hitch so as to pivot about a generally vertical axis, and a rearward portion, the moment bar configured to exert a forward moment on the vehicle in response to an upward force on the rearward portion; an engagement member configured to increase the upward force on the rearward portion of the moment bar upon movement of the jack in one vertical direction and to decrease the upward force upon movement of the jack in an opposite vertical direction; a sensor configured to determine at least one of current and voltage across the motor, to thereby infer the upward force on the rearward portion; and a switch configured to turn the motor on or off depending on the inferred upward force is disclosed.

A weight distribution hitch system comprising a vehicle attachment member comprising a forward end configured to rigidly attach to a vehicle, and a rearward end extending rearwardly toward a trailer, the rearward end comprising an upper portion comprising a trailer attachment member configured to pivotally attach to a coupler of the trailer, and a lower portion configured to receive a moment bar; a moment bar having a modulus of elasticity, the moment bar comprising a moment bar forward end attached to the lower portion of the rearward end of the vehicle attachment member so as to prevent rotation about a horizontal axis, and a moment bar rearward end; a tension member comprising a top end configured to be supported by a frame member of the trailer, and a bottom end configured to support the rearward end of the moment bar; wherein, when the tension member is in tension, it imposes an upward force on the moment bar rearward end, which, in turn, imposes a forward moment on the vehicle; and wherein the modulus of elasticity is low enough that an adjustment range for the moment bar is greater than 0.5 inches is disclosed.

A weight distribution hitch system used with a hitch on a vehicle and a trailer, the system comprising a jack with a foot and a motor configured to raise and lower a front portion of the trailer; a moment bar with a forward end attached to the hitch so as to pivot about a generally vertical axis, and a rearward portion, the moment bar configured to exert a forward moment on the vehicle in response to an upward force on the rearward portion; an engagement member configured to increase the upward force on the rearward portion of the moment bar upon movement of the jack in one vertical direction and to decrease the upward force upon movement of the jack in an opposite vertical direction; a sensor configured to determine at least one of current and voltage across the motor, to thereby infer the upward force on the rearward portion; and a switch configured to turn the motor on or off depending on the inferred upward force is disclosed.

A towing system includes a first lifting mechanism comprising a winch, the winch comprising a drum, a strap, and a drive mechanism, the winch configured to connect a first end of a towable object to a driven vehicle, the first lifting mechanism configurable in a first operable configuration, and wherein the drive mechanism rotates the drum and the strap is increasingly spooled around the drum to elevate the first end of the towable object in the first operable configuration; and a second lifting mechanism configurable in a second operable configuration, the second lifting mechanism configured to connect to a second end of the towable object and to elevate the second end relative to a ground surface in the second operable configuration.

A weight distribution hitch system comprising a vehicle attachment member comprising a forward end configured to rigidly attach to a vehicle, and a rearward end extending rearwardly toward a trailer, the rearward end comprising an upper portion comprising a trailer attachment member configured to pivotally attach to a coupler of the trailer, and a lower portion configured to receive a moment bar; a tension member comprising a top end configured to be supported by a frame member of the trailer, and a bottom end, and a moment bar, the moment bar comprising a first end configured to either be attached the lower portion of the rearward end of the vehicle attachment member or to be supported by the bottom end of the tension member, a second end also configured to either be attached to the lower portion of the rearward end of the vehicle attachment member or to be supported by the bottom end of the tension member, a first major face configured to face either generally upward or generally downward, a second major face opposite the first major face and also configured to face either generally upward or generally downward, and a bend between the first end and the second end; wherein, when the tension member is in tension, it imposes an upward force on the end of the moment bar that is supported by the tension member, which, in turn, imposes a forward moment on the vehicle; and wherein a preload on the moment bar is varied depending on whether the first major face faces generally upward or generally downward is disclosed.

The present invention relates to a tow trailer having a structure (5) for lifting and transporting cargo and unloading them, the trailer is drawn by a suitable tow apparatus. The trailer comprises a lifting device (1) to lift and unload the cargo, wherein the lifting device is coupled to forks. The trailer moves stably due to mounting the lifting device stably in a part of the front side of the trailer, and the presence of wheels mounted in both sides thereof. The trailer has a bar (8) in the rear side, and it also has one or more barriers (7) in the middle of the trailer so as to be under the cargo. The trailer is provided with a trailer jack (2) mounted in the bearing positions of the trailer in order to stabilize it during lifting or unloading the cargo.

Provided is a pick-up hitch assembly for connection to a vehicle. The pick-up hitch assembly includes a swing frame having a first end configured to be coupled to the vehicle and a second end, a slide frame movable relative to the swing frame between a retracted position and an extended position, and an electrically powered actuator assembly configured to be coupled to the vehicle and being coupled to the swing frame at the second end of the swing frame. The actuator assembly is configured to move the swing frame between a raised position and a lowered position independent of movement of the slide frame and of a three-point hitch.

A multi-directional trailer hitch system may include a mounting frame; a first slide assembly configured to slideably engage with the mounting frame, wherein the first slide assembly is configured to slide longitudinally in and out from the mounting frame; a second slide assembly configured to slideably engage with the first slide assembly, wherein the second slide assembly is configured to slide laterally in a side to side direction relative to the first slide assembly; a third slide assembly configured to slideably engage with the second slide assembly, wherein the third slide assembly is configured to slide vertically in an up and down direction relative to the second slide assembly; and one or more actuators configured to selectively effect slide movement of one or more of the first slide assembly, second slide assembly, and third slide assembly.

A vehicle engagement structure for towing transport devices is disclosed, wherein a carrier is configured with respectively an engagement towage mechanism and a drive mechanism; more specifically, the engagement towage mechanism includes an external spiral transmission component and an internal spiral transmission component, the internal spiral transmission component is further mutually in spiral engagement with a spiral rod, and the top end of the spiral rod is sequentially installed with an up-and-down pedestal, a rotation seat, an engagement base and an engagement end applied to connect to a transport device; in addition, the drive mechanism is configured to control the up-and-down pedestal to vertically ascend or descend on the spiral rod, thereby facilitating the engagement end to adapt to the height of the transport device or topographic fluctuations and variations during movement.