Dancer pulley mechanism

Details Dancer pulley mechanism Dancer pulley mechanism

B - Operations, Transporting

21

C

205/34

B21C 1/04 (2006.01) B21C 1/10 (2006.01) B21C 1/12 (2006.01) B21C 49/00 (2006.01)

Patent

CA 1074731

ABSTRACT OF THE DISCLOSURE A multiple stage wire drawing system with a plurality of pivotal dancer pulleys, each operable for maintaining wire stock tension between stages and for feeding wire stock downwardly along a generally helical path from an upper guide pulley receiving wire stock from a preceding draw block to a lower coaxial guide pulley aligned for guiding wire stock to a succeeding die block. Each pivotal dancer pulley is mounted via a support rotor on a relatively short pivot arm and for rotation about an axis inclined to its pivot axis, and a toggle type linkage is connected to the dancer pulley support rotor for con- trolling the angular relationship of the inclined dancer pulley to the coaxial guide pulleys.

278414

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