| 摘要 |
<p>Drive arrangement comprises a driven wheel (12) formed as a pin wheel having pins (15) arranged on a ring on the wheel and a chain (13) formed as a chain sling with several hook elements (14). The hook elements interact with the pins of the pin wheel. Independent claims are also included for the following: (1) Pin wheel used in the above drive arrangement; and (2) Chain sling used in the above drive arrangement. Preferred Features: The driven wheel and the driving wheel (11) have pins which protrude from the wheels to interact with the chain sling. A switching device is also provided for displacing the pins of a ring interacting with the hook elements.</p> |
