| 摘要 |
<p>The lock has outer and inner handle cores (7,5), each with a return spring (8,4). One or more additional springs (6) are provided, supplementing one or the other of the springs, dependent on which core is actuated. It can be virtually identical to the other springs and mounted between them. It can act on the respective directly, or via an outer an inner thrust rod. The springs can be relatively narrow spiral ones, acting via the respective thrust rods on dogs on the cores. The additional spring can be stronger than the others.</p> |
