Slider apparatus

摘要

A slider apparatus of the invention includes a ball screw, first and second support members which respectively support the two end portions of the ball screw, a slider which includes a driving means for rotating a ball nut threadably engaging with the ball screw while rotatably holding the ball nut, and is disposed to be movable in the axial direction of the ball screw, first and second intermediate support members which are disposed to sandwich the slider, and each of which includes a support hole through which the ball screw passes and is movable in the axial direction of the ball screw, and a connecting member which engages with the first and second intermediate support members, and allows free movement of the first and second intermediate support members within the range of the full length of the connecting member.

主权项

1. A slider apparatus comprising:
a ball screw; a first support member and a second support member which respectively support two end portions of said ball screw; a first slider and a second slider, each of which includes driving means for rotating a ball nut threadably engaging with said ball screw while rotatably holding the ball nut, and is disposed to be movable in an axial direction of said ball screw; a first intermediate support member, a second intermediate support member, and a third intermediate support member, each of which includes a support hole through which said ball screw passes, and is movable in the axial direction of said ball screw; a first connecting member which engages with said first intermediate support member and said second intermediate support member, and allows free movement of said first intermediate support member and said second intermediate support member within a range of a full length of said first connecting member; and a second connecting member which engages with said second intermediate support member and said third intermediate support member, and allows free movement of said second intermediate support member and said third intermediate support member within a range of a full length of said second connecting member, wherein said first intermediate support member and said second intermediate support member are disposed to sandwich said first slider, and said second intermediate support member and said third intermediate support member are disposed to sandwich said second slider.