Windlass for elevator

Application Number: 00104945
Application Date: 2000.03.29
Publication Number: 1269323
Publication Date: 2000.10.11
Priority Information: 1999/4/5 JP 097586/99
International: B66B11/04
Applicant(s) Name: Mitsubishi Denki K. K.
Inventor(s) Name: Gatoku Jino;Yoshikawa Katzhiro;Honda Takashin
Patent Agency Code: 31100
Patent Agent: ren yongwu
Abstract An elevator traction machine comprises: a base member (2); a rotating member (19) having a central portion facing to the base member and an open peripheral portion extended from the central portion; a sheave (20) rotating with the rotating member; a rope (12) wound on the sheave; a stator winding (18) provided on the interior circumferential surface of the base member; an armature (21) provided on the outer circumferential surface of the open peripheral portion of the rotating member at a position larger in diameter than the outer diameter of the sheave; the armature facing the stator winding, the armature and the stator constituting an electric motor; an encoder disposed on a main shaft for detecting the rotation of the sheave; wherein an outer dimension of the main shaft in an axis direction is shorter than the outer dimension of the traction machine in a direction perpendicular to the axis direction.