| 摘要 |
<p>The invention relates to a drawbar used in rail vehicle draw-gear. According to the invention, the bar comprises a U-shaped piece () having two parallel sides () provided with two axial holes (), and with a third side () provided with a central bore () and a circular recess () which also extends between the two parallel sides (), respectively, and a rod () with one threaded end and other () cylindrical end, said cylindrical end () being provided on the generatrix with two parallel faces (), the distance () between the faces allowing the end () to pass between the two parallel sides () of the piece (), the drawbar being assembled by introducing the threaded end of the rod () between the sides () and through the bore () till the cylindrical end reaches the circular recess (), when the rod () rotates till the faces () become normal on the inner faces of sides () of the piece ().</p> |
