in which the end-piece is guided rectilinearly

Full Title

Flexible shafts (flexible shafts in dental machines for boring or cutting A61C1/18); Mechanical means for transmitting movement in a flexible sheathing > Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms" (guiding-sheathings F16C1/26) > Arrangements for transmitting movement to or from the flexible member > in which the end-piece is guided rectilinearly