| 摘要 |
PROBLEM TO BE SOLVED: To provide a tape take-up reel or a cover-tape take-up device having a simple structure with easy assembly. SOLUTION: The first member 86 of a cover-tape take-up reel 84 includes a fitting member 90 and an annular member 92 made of magnetic material. The second member 88 includes a take-up body 100 to which a permanent magnet 104 is fixed and a flange 102. The take-up body 100 is attached to the fitting member 90. The frictional force between friction sides 106 and 110 is maintained by the magnetic attractive force between the permanent magnet 104 and the circular member 92. When the first member 86 is rotated, the second member 88 is rotated and cover-tape is rolled around the take-up body 100. Then, when the resistance torque caused by the tensile force of the cover tape exceeds the driving torque by the frictional force, the first member 86 will rotate while slipping with respect to the second member 88, and the take-up body 100 will roll a pitch of cover tape at the same rotational speed as the feeding speed of the retainer tape part. |
