| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sheave device for stably conducting a wire to a sheave.SOLUTION: The sheave device comprises: a disc-shaped sheave including a groove part which is provided in a circumferential direction of an outer circumference with a predetermined groove width for guiding a wire in a direction of extension; a support part for supporting a central axis of the sheave in a rotatable state of the sheave; a connection part which is connected to the central axis and extends from the central axis of the sheave to the outside of the outer circumference; and a guide part which is connected to the connection part and guides the wire to the groove part. The guide part includes an opening which penetrates the wire in the direction of extension and guides the wire to the inside, and is formed in a closed frame shape.</p> |
