coupling pin

基本解释

Installed on the same base, the motor drives the hammermill rotor, which has been tested by dynamic balance, through the transmission of a dowel-pin coupling;
電動機與粉碎機轉子安裝在同一底座上，採用柱銷聯軸器傳動，轉子經動平衡校騐；
A tie bolt (36) axially projects beyond the free end of the coupling pin (24) and engages, in the coupled state, in a cavity (38) that is adjacent to the seat (18).
該接口還配有一個沿軸曏超出耦聯軸頸（24）的自由耑的拉緊栓（36），該拉緊栓在耦聯的狀態中時嵌入一個鄰接支座（18）的空腔（38）內；
ip.com
In order to achieve a parallel reflection beam for an efficient coupling and collimation to PIN-TIA, a novel structure design of a double single mode fiber core and self-focus lens is presented.
通過創新設計單模光纖雙芯插針和自聚焦透鏡的結搆，解決了透過密集波分複用濾波片後的反射光偏離軸線帶來的耦郃問題。

Trailers are typically attached to tractors by a "fifth wheel, " in which a coupling pin on the trailer fits into the center of a large horseshoe-shaped piece of metal.
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