| 摘要 |
<P>PROBLEM TO BE SOLVED: To contribute to high torque while reducing a diameter with respect an opening/closing torque required for a hinge device. <P>SOLUTION: The hinge device 15 includes an intermediate disc 21 which is located between a catch 19 and a disc 18 and through which a shaft 17 passes, a first group 23 of a plurality of balls held on a facing surface with the catch 19 of the intermediate disc 21 and moving along first guide grooves 19d, 19e formed at a facing surface 19c with the intermediate disc 21 of the catch 19 accompanied by the rotation of the shaft 17, and a second group 25 of balls held on a facing surface 21b with the disc 18 of the intermediate disc 21, moving along a second guide groove formed in a facing surface of the intermediate disc 21 of the disc 18 with rotation of the shaft, and exceeding the first ball group 23 of a number of one or more. <P>COPYRIGHT: (C)2013,JPO&INPIT |
