Automatic spring formation apparatus
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United States of America Patent
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Sep 26, 1995
Grant Date -
N/A
app pub date -
Jul 26, 1993
filing date -
Jul 26, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automatic spring formation apparatus includes a base on which an upright work table is mounted. A number of linear motion spring formation tools and at least a curved motion spring formation tool are slidably mounted on the front working surface to work on a wire fed through a wire feed passage formed on the work table so as to form a spring by being driven by independent servo motors under the control of a computerized numeric control unit. The linear motion spring formation tools are movable on the front working surface in a linear way along a radial direction pointing out from the wire feed passage while the curved motion spring formation tool is not only linearly movable on the front working surface along a radial direction pointing out from the wire feed passage, but also rotatable about a pivot normal to the working surface so as to move in a combination of linear translation and angular rotation.
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