(57) Abstract Objective Change effector from destal change position median change positionWhen to changing, it makes halt securely at this median change position,ru. Constitution In click guide rail, u of destal change position both sidesThe chi in each case at least from one side directing to median change positionWhen making the change effector move, sleeve at the time of the said change effector movementIn providing the sliding resistance augmentation means which augment resistanceWhen changing to ri and median change position, change effector oppositekuritsukusu which it tries not to be moved to the destal change position sideTop feature.
展开▼