| 摘要 |
<p>A coupling assembly for the releasable coupling of a driving and a driven unit in a transport system, preferably of the type in which the driving unit is a self-propelled carriage on an overhead rail member, said carriage having a downwardly extending coupling rod (7) which via a coupling assembly (8) can be coupled to transport carriage on which a bracket (9) with a coupling pin (10) is secured. The coupling assembly is characterized in that it allows a certain lateral mobility in all directions when the coupling assembly (8) transmits tractive forces, and provides for a completely rigid coupling when the coupling assembly (8) transmits compressive forces. The rigid coupling is obtained because on the coupling pin (10) an in an opening for receiving the coupling pin (10) in a coupling pipe (11) there are provided cooperating engagements faces (14, 23 and 16, 24) which define two engagement areas which are sufficiently axially spaced to absorb a certain torque. When the coupling assembly (8) transmits tractive forces said mobility is obtained by provision of cooperating locking means (18, 19) for securing the coupling pin (10) in the coupling pipe (11) in a locking position in which said cooperating engagement faces are spaced. </p> |
