Link 1 is connected by turning pair D to tailstock spindle a and by screw pair E to link 2 which is fixed in housing C. Slot b of tailstock spindle a slides along link 2. Spindle a is connected by a sliding pair to fixed housing C. When screw 1 is rotated, tailstock spindle a is advanced or retracted along axis x-x.
$2277$LS,FD$