A hand crank structure of a trailer jack is provided, including a shaft, a rotating shaft, a handle assembly, a spring, and a locating ring. A circumferential locating hole is disposed on an end of the handle assembly, and the handle assembly is sleeved on...

An apparatus that is mounted to a vehicle for manipulating and/or maneuvering a trailer support. The apparatus comprises first and second support structures with first and second contact members. The first support structure is movable relative to the appar...

A crank support (2) attached to the drawbar (1) of a trailer by means of a pivoting device (3), having a rotatable hand crank (5), wherein a guide element (14) that is fixed relative to the drawbar (1) is provided, along which the hand crank (5) can be gui...

Nose wheel assembly and trailer provided with such an assembly. In order to improve the driving properties of the trailer when it is uncoupled from the pulling vehicle, a nose wheel assembly is proposed which uses relatively large nose wheels. Preferably, ...

The wheel has an automatic locking device locking a lifted maneuver wheel (3), and a pivotable stopper (13) toothed after lifting the maneuver wheel in a resting position with a lower end of an adjustable socket (5). A vertical cylindrical holder (6) is co...

A unit (1) comprising a support wheel (20) at its lower end can be extended vertically or retracted as required. The mechanism is controlled manually with a lever (22) facilitating hydraulic fluid moving from a cylinder (10) into a storage tank (3) resulti...

The support system for the tow hook (20) of a lorry trailer comprises a spindle tube (7) on which a wheel (1) is mounted. This fits into a vertical tube (14) mounted on the trailer which has a flange (11) at its base. This fits against the top of the wheel...

The vertical positioned support column (1) is assembled of an outer pipe with a first bearing and an axially movable inner bar containing two more bearings. An adjustable spring element is positioned between the third bearing and a fourth bearing. A wheel ...