| 摘要 |
PROBLEM TO BE SOLVED: To provide a fineness sensor whose production and maintenance are facilitated.SOLUTION: In a fineness sensor where two disks 1, 4 where raw silk during reeling is arranged with an insertable gap are freely rotatably arranged, further, the torque reverse to the reeling direction of the raw silk is given, when the raw silk retains the objective fineness, owing to the frictional force of contact, the rotation of the disks by rotational force is prevented, and when the raw silk is made finer than the objective fineness, and the frictional force of the contact with the disks is reduced, the rotation of the disks by the rotational force is allowed, the disks are made of metal, further either disk 1 is projectingly provided with a concentric circular step 2, and the planar surface of the step and the planar surface of the other disk are made to adhere to each other, thus a gap by the height of the step is produced between the planar surfaces of the respective disks.SELECTED DRAWING: Figure 1 |
