A load equalizer assembly for a vehicle comprises a mounting bracket configured to be fixedly mounted to the vehicle, the mounting bracket having a downwardly extending arm. An equalizer bracket is pivotally connected to the mounting bracket by way of the arm. The equalizer bracket comprises a laterally facing side having a stepped surface with an inwardly stepped portion and an outwardly stepped portion. The arm is received laterally adjacent to the inwardly stepped portion of the equalizer bracket.

A load equalizer assembly for a vehicle comprises a mounting bracket configured to be fixedly mounted to the vehicle, the mounting bracket having a downwardly extending arm. An equalizer bracket is pivotally connected to the mounting bracket by way of the arm. The equalizer bracket comprises a laterally facing side having a stepped surface with an inwardly stepped portion and an outwardly stepped portion. The arm is received laterally adjacent to the inwardly stepped portion of the equalizer bracket.

A tandem suspension system. At least two parallel axles are connected via two eyeleted leaf springs. The eyeleted leaf springs have ends that terminate in eyelets. Each eyelet receives a bushing and adjustable pin. A bracket secures the axles to the eyeleted leaf springs. The eyeleted leaf springs are camelback leaf springs, planar leaf springs or bent leaf springs. Additional leaf springs are also provided.

The invention relates to a vehicle which includes at least four wheels and a base. Said wheels are attached in pairs at the base via connections and form a bogie consisting of a pair of wheels. Said bogies are rotatably hinged onto the base such that the pivot point of the path of the wheels is not physically present and said pivot point is located under the rotational axis of the wheels when the bogie is horizontal. The rotation of a bogie is transmitted by a transmission means to the other bogie such that the slant of each bogie in relation to the base forms an angle of identical but opposite value.

The invention relates to a vehicle which includes at least four wheels and a base. Said wheels are attached in pairs at the base via connections and form a bogie consisting of a pair of wheels. Said bogies are rotatably hinged onto the base such that the pivot point of the path of the wheels is not physically present and said pivot point is located under the rotational axis of the wheels when the bogie is horizontal. The rotation of a bogie is transmitted by a transmission means to the other bogie such that the slant of each bogie in relation to the base forms an angle of identical but opposite value.

This invention provides a wheelchair with four wheel independent suspension and modular seating, allowing for customized seat selection and a variable ride. It includes a chair assembly, a chassis assembly and a suspension assembly. The chair assembly includes a seat; a seat mount; a seat angle adjuster; and a pillar. The chassis assembly includes a chassis; and a handle assembly. The suspension assembly includes a forward suspension assembly and a rear suspension assembly. In another embodiment, the wheelchair includes a chair assembly with handles, a main cross beam and a suspension spring assembly.

This invention provides a wheelchair with four wheel independent suspension and modular seating, allowing for customized seat selection and a variable ride. It includes a chair assembly, a chassis assembly and a suspension assembly. The chair assembly includes a seat; a seat mount; a seat angle adjuster; and a pillar. The chassis assembly includes a chassis; and a handle assembly. The suspension assembly includes a forward suspension assembly and a rear suspension assembly. In another embodiment, the wheelchair includes a chair assembly with handles, a main cross beam and a suspension spring assembly.

A thrust sliding bearing 1 includes: a synthetic resin-made upper casing 3 which has a vehicle body-side seat surface 10 for a mounting member 8 on a vehicle body side and an annular lower surface 2; a synthetic resin-made lower casing 5 on which an annular upper surface 4 opposed to the annular lower surface 2 and a spring seat surface 25 for a suspension coil spring 7 are integrally formed, and which is superposed on the upper casing 3 so as to be rotatable about an axis O of the upper casing 3 in an R direction; and a synthetic resin-made thrust sliding bearing piece 6 which is disposed in an annular gap 9 between the annular lower surface 2 and the annular upper surface 4, and has an annular thrust sliding bearing surface 51 which slidably abuts against at least one of the annular lower surface 2 and the annular upper surface 4.

A trailer system and method of use for towing a load are provided. The trailer system include a trailer body supported by suspension arms on a trailer frame. A hoist mechanism having a winch device and a flexible connector can raise and lower the trailer body by swinging on the suspension arms, which maintain the trailer body in a substantially horizontal orientation during the swing. A modular wheel suspension can be attached to the trailer system.

A trailer system and method of use for towing a load are provided. The trailer system include a trailer body supported by suspension arms on a trailer frame. A hoist mechanism having a winch device and a flexible connector can raise and lower the trailer body by swinging on the suspension arms, which maintain the trailer body in a substantially horizontal orientation during the swing. A modular wheel suspension can be attached to the trailer system.