| 摘要 |
There is equipped with a forward and reverse winder (31), a forwardly winding liner body (51), a reversely winding liner body (61) and a reciprocating body (71). The forwardly winding linear body (51) and the reversely winding linear body (61) are connected to the reciprocating body (71). The amounts of winding and rewinding the forwardly and reversely winding linear bodies (51) (61) by the winding drum (37) of the forward and reverse winder are equal to each other. The winding drum (37) of the forward and reverse winder (51) when the forwardly winding linear body (51) is forwardly wound axially moves corresponding to the winding and rewinding pitches of the linear bodies whereby a high precision based on a quiet stabilization of an operation state, durability and miniaturization of construction and a high precision based on proper winding and rewinding of the linear bodies and durability can be improved. |
