Provided is a jack device (20) rendering an operation of changing the posture of a jack cylinder (41) easy without using a device that actively changes the posture. The jack device (20) includes an arm (30), a jack body (40) including the jack cylinder (41...

The trailer has a lifting unit (10) comprising two arms (16, 17) between a chassis and a plate. The arms have lower ends guided in the plate and upper ends guided on a cross piece (8) of the chassis. The arms are articulated with each other in their interm...

The present invention stabilizer apparatus is used on a work machine and includes a stabilizer assembly (110) removably connected with an axle (60) of the work machine. Additionally, the stabilizer assembly (110) is pivotally connected to a frame (30) of t...