| 摘要 |
<p>A trolley for supporting a labelling station in a labelling machine, provided with front and rear wheels (3a, 3b, 4a, 4b) for resting on the floor, comprising a longitudinal rod (6) which is provided, at the rear end, with means adapted to cause its rotation about its own axis and with a threaded portion (8) with a conical tip (8a) at its front end. The rod (6) is associated with a bush (9) which is pivoted to the trolley with a horizontal axis (9a) and able to at least rotate with respect to it. The threaded portion (8) is adapted to mate with a portion of female thread (13a) provided with a conical guiding portion (13b) in an accommodation bush (13) which is fixed to a surface (14) that protrudes from the body (5) of the labelling machine. The surface (14) comprises at least one ramp (15a, 15b) which is adapted to be crossed by a respective wheel (16a, 16b) provided at the front end of the trolley, and means for abutment against centering means provided on the trolley.</p> |
