Patent ID: 6806597
Filing Date: 2004-10-19
Classification: B23Q,F16H,H02K

Abstract:
A lead screw type stepping motor structured such that a rotor is rotatably supported inside a stator around which an exciting coil is wound, a slider is arranged to be screwed with a female threaded hole provided through in the longitudinal direction of said rotor, and a rotation of the rotor is converted into a linear movement of the slider to be output, wherein a slit groove (6C) shaped in an oblong hole along the axial direction is pierced through in said slider, the slider (6) is supported to a guide hole (3B) provided in a bearing portion (3A) of a case (3) receiving the stator (1) in such a manner as to freely move in the axial direction, a guide pin (7) is arranged to be inserted into the slit groove, and both ends of the guide pin (7) are press inserted and supported to the bearing portion.