The support element (10) is assembled of an inner pipe (12) axially moving in an outer pipe (11), two helical springs (25) joined between the inner pipe (12) and the upper surface of the bottom plate (16), and a track wheel (15). When the weight of the tra...

The support (10) has a fixed outer tubular support body (12) and a longitudinally movable inner support tube (13) movable up or down by a drive mechanism. The outer support body consists of a trough profile with a U-shaped region on whose leg ends are two ...

Height-adjustable support (10) comprises a fixed supporting outer tube (12), a longitudinally extending supporting inner tube (13), a drive delivery shaft on which a conical wheel sits and a drive shaft which is hollow or having an extension which is hollo...

The device has a fixed outer tube (12), a longitudinally adjustable inner tube (13) and a gear mechanism output shaft with a smaller diameter bevel gear seated on it that belongs to a gear stage driving a spindle drive to move the inner tube. Two large dia...

The trailer support whose height can be adjusted comprises telescopic outer and inner tubes. The inner tube can be moved inside the outer tube by a spindle (17) with a cogwheel (28) mounted on its upper end. This cooperates with a second cog (30) mounted o...