fishplate

1. The utility model relates to a fishplate connector, which comprises a substantially cylindrical shaft which is inserted into a rabbet ( 1) and holes of arm plates ( 2 and3) on a support frame.
   鱼尾板连接装置包括基本上呈圆柱形的轴，该轴插入榫头（1）和支架上的臂板（2和3）的孔中。

noun

1. metal plate bolted along sides of two rails or beams