Patent ID: 11898693
Assignee: RIKEN KOGYO INC.
Field: Handling (Mechanical engineering)
Classification: CPC D  F  G  B | IPC B  F  G

Claim 7:
8. A rotating movable body for a wire rope, comprising:
a rotating portion through the interior of which a wire rope passes, the wire rope being formed by twisting together a plurality of strands; and
at least two rope engaging portions provided on the rotating portion so as to engage with parts of an outer shape of the wire rope, wherein
the at least two rope engaging portions are arranged at a predetermined interval in an extension direction of the wire rope, and
in a state where each of the plurality of strands is in contact with one of the at least two rope engaging portions, the rotating portion moves in the extension direction of the wire rope and rotates so as to follow the twist of the strands,, wherein the rope engaging portions include rotary plates respectively formed with rope passing holes through which the wire rope passes,
at least one rope-engaging recessed portion is formed in the rope passing holes, and
the rope-engaging recessed portion engages with two adjacent strands among the plurality of strands of the wire rope, and, wherein a needle sensor that comes into contact with the strands of the wire rope and detects variation in a surface shape of the wire rope is provided on the rotating portion.