Driving mechanism for moving a cutter or pitch control rod in a spring forming machine
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United States of America Patent
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-
Dec 14, 1999
Grant Date -
N/A
app pub date -
Oct 20, 1998
filing date -
Oct 20, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A spring forming machine includes a machine frame, a movable member, and a driving mechanism. The driving mechanism comprises a slide plate seat, a slide plate and a cam wheel. When fitting an eccentric pin unit and a filler within a horizontal slide slot in the slide plate, the slide plate seat rotates on the machine frame, and the slide plate moves on the slide plate seat so as to move the movable member along an elliptical path upon actuation. When locking the slide plate seat and removing the filler, the cam wheel moves the eccentric pin unit so as to move the slide plate on the slide plate seat and thus to move the movable member along a straight path upon actuation. When locking the slide plate seat and removing the eccentric pin unit and the filler, a follower shaft can be mounted removably on the slide plate in contact with the cam wheel to permit a straight movement of the movable member on the machine frame upon actuation.
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