| 摘要 |
A coupling device can reduce the cost by using a paper plate instead of steel plate. In a coupling device, which compresses a plurality of plates with the magnetic force according to the clutch operation so that the plates are integrally rotated, a plurality of paper plates(200) are laminated at certain intervals between disc-shaped cover units(100) which are positioned at one side of a coil(10), and the cover units serving as an armature compress the paper plates with the magnetic force toward the coil. The cover units consists of a front unit(110) positioned in the coil side and a rear unit(120) positioned in the control(2) side. The magnetic force is generated as current flows in the coil and the front unit and the rear unit serve as an armature pulling the paper plates toward the coil.
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