| 摘要 |
A tread conditioning unit for applying a brake block (3) against the tread of a rail vehicle wheel comprises a pneumatic cylinder (1) having a piston (9) with a piston rod (11). A block holder (2) for the brake block is pivotably connected to the piston rod by means comprising a pivot sleeve (19) rotatably attached in the end of the piston rod facing the block holder, which is provided with a circular surface (25) for engagement with the pivot sleeve, means (20, 22, 23) being provided for keeping the block holder connected to the pivot sleeve. <IMAGE> |
