| 摘要 |
A locking device (10) includes a first body member (20) having a first interior and a second body member (22) having a second interior, a retainer element (60) includes a first end received in the first body member interior and a second end received in the second body member interior, the retainer element (60) links the first and second body members for longitudinal movement between a collapsed orientation and an expanded orientation, a lock core (32) is provided in the first body member interior to operate the retainer element (60) between its retain and release positions, a retaining head (126) on the retainer element (60) is operative to engage a catch (112) in the second interior to provide a limit stop to prevent the body members from moving away from their expanded orientations. |
