| 摘要 |
PROBLEM TO BE SOLVED: To provide a coupling washer device which can be thin-shaped.SOLUTION: A coupling washer device (10) is used in combination with a coupling tool formed from a bolt (A) and a nut member (B) and comprises: a washer member (12) including a tapered hole (14); an inner ring (18) which is formed in the shape of a truncated cone corresponding to the tapered hole (14) and fitted to the tapered hole (14) while projecting a larger-diameter end (18b) closer to the nut member (B) and can be diameter-reduced to allow insertion of the bolt (A), on the other hand; a disc spring array (24) allowing insertion of a screw part (E) of the bolt (B) so as to be disposed between the larger-diameter end (18b) of the inner ring (18) and the nut member (B); and a control disc spring (30) interposed between the disc spring array (24) and a washer member (12) to transfer a press-energizing force generated by the disc spring array (24) to the washer member (12) and to suppress a press-energizing force applied to the larger-diameter end (18a) of the inner ring (18), on the other hand. |
