| 摘要 |
<p>The inner rotary knob (120) is connected rotation proof with a sleeve (12), on which the locking element (30) is arranged rotation proof. The outer rotary knob (50) is connected rotation proof with a shaft (52) extending through the sleeve (12) of the inner rotary knob (10), and is connected rotation proof with a coupling unit (40) arranged in the inner rotary knob.</p> |
