Adjustment mechanism for a wire tensioning apparatus

Winding – tensioning – or guiding – Tension control or brake – Supply controlled

Reexamination Certificate

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Details

C074S055000, C074S569000, C242S419900, C318S467000

Reexamination Certificate

active

07467759

ABSTRACT:
An adjustment mechanism for a wire tensioning apparatus of the type in which tension on the wire is varied by linear movement of an adjustment rod. The adjustment mechanism includes a cam shaft having a number of cams mounted on the cam shaft along the length thereof. Each cam has a lobe with the lobes positioned circumferentially around the cam shaft relative to one another. A guide plate is attached to the adjustment rod so that it is slidable diametrically relative to the cam shaft. A cam follower plate is mounted on the guide plate. A number of cam followers are carried by the cam follower plate with each cam follower aligned with one of the cams and engageable with its cam. An electric motor with a reduction gear is provided to rotate the cam shaft sequentially to move a cam in and out of engagement with its cam follower.

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patent: 6409116 (2002-06-01), Brown

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