| 摘要 |
An automatic reel unwinding apparatus in a machine for packaging products having a bearer structure ( 14, 15 ) carrying a pair of rotating arms ( 16 ), centrally hinged to the bearer structure ( 15 ) through a rotation shaft ( 17 ) and carrying at their ends, on two shafts ( 18, 18 '), at least a pair of reels ( 12, 12 '), the rotation shaft ( 17 ) being commanded through a speed reducer ( 20 ) and each of the two shafts ( 18, 18 ') being commanded by a motor reducer ( 21 ) through a respective transmission ( 22 ) able to be selectively engaged with the motor reducer, the withdrawable shafts ( 18, 18 ') being fixed to at least one openable support ( 19, 19 ') arranged at an end of the arms ( 16 ).
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