Traction drive speed reducer, conveyance apparatus using traction drive speed reducer, and arrangement of two-axis output encoder in conveyance apparatus

摘要

A traction drive speed reducer which comprises circumscribed axes 20A and 20B, a plurality of intermediate axes 30A and 30B arranged contacting around the outer periphery of the circumscribed axes, and inscribed cylinders 40A and 40B inscribing the outer periphery of the intermediate axes, and in which a supporting member 10 to rotatably support the intermediate axes is fixed, a drive motor is connected to at least one of the plurality of intermediate axes, and an output is taken from the circumscribed axis having the larger diameter than the outer diameter of the intermediate axis.