Coil spring forming machine
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United States of America Patent
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Jul 6, 2004
Grant Date -
Dec 26, 2002
app pub date -
Jun 20, 2001
filing date -
Jun 20, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A coil spring forming machine for forming a coil spring having a dimensional characteristic, such as a coil diameter and a coil pitch, includes a frame, a control tool movably mounted on the frame, and a control mechanism mounted on the frame and coupled to the control tool. The control mechanism is operable to move the control tool to vary the dimensional characteristic. The control mechanism includes first and second cam surfaces and a cam follower assembly selectively engageable with either of the first and second cam surfaces to vary the dimensional characteristic depending on which cam surface is engaged.
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