| 摘要 |
PURPOSE: An inner diameter dropping preventer for a strip coil is provided to improve quality of the strip coil by preventing an inner diameter from dropping. CONSTITUTION: An inner diameter dropping preventer of a strip coil comprises a pair of levers(5a,5b) inserted to an inner diameter unit(220a) of a strip coil(220) by being mounted in a magnet(210); a connecting unit(30) arranged between the lever and the magnet; a hollow cylinder member horizontally fixed on an outer portion of the lever; a pair of protrusions formed on a front end of the cylinder member; a casing movably inserted to an inner portion of the cylinder member; a conductor(40) integrally engaged with a side portion of the casing; a hollow cylinder typed housing integrally fixed on the inner diameter unit; plural springs(45) elastically supporting the conductor; a recessed groove formed in the cylinder member; and an inducing pin(52) elastically arranged on the recessed groove.
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