pivot joint

基本解释

The articulation of the radius and ulna in the arm is a pivot joint.
手臂橈骨和尺骨的連接關節是一個樞軸關節。
dict.cn
Large pivot joint metal blackboards double as partitioning doors to include or exclude the corridor spaces as desired.
金屬制黑板和分割門圍繞著一個巨大的軸鏇轉，可以根據使用者的需求來擴大或者分隔走廊空間。
The pivot joint (8) can be blocked with an eccentric tension lever (10), which is formed by a pivotable part (24) of the handlebar (6).
本發明提出，該擺動活節（8）可借助一偏心夾緊杠杆（10）被鎖止，該偏心夾緊杠杆由該手把弓形件（6）的一可擺動的部件（24）搆成。
ip.com

However, as Sprint embraces retail consumer electronics, it will see that -- on some level -- the enemy is itself, a familiar position for a company that has juggled hosting the wireless networks of Helio, Disney Mobile, its cable joint venture Pivot and its own Boost.
ENGADGET: Switched On: The WiMAX Window (Part 2)