Linear-spring forming apparatus
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United States of America Patent
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Jul 8, 2014
Grant Date -
Jul 5, 2012
app pub date -
Oct 28, 2009
filing date -
Oct 28, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An inventive linear-spring forming apparatus has: a rotatable table (10) surrounding a quill (6) for guiding a linear material; a multiplicity of slide units (15) radially arranged on, and in the circumferential direction of, the rotatable table (10) at substantially equal angular intervals, each of the slide units (15) being slidable in the radial directions of the rotatable table; and a multiplicity of slide plates (33) arranged outside, and in the circumferential direction of, the rotatable table (10) at equal angular intervals, and aligned with the respective slide units (15) in radial directions such that each slide plate (33) can be driven by a servo-motor (M3) in the radially inward and outward directions, in such a way that a selected one of the slide plates (33) advances one of the associated slide unit (15) towards the axis of the quill at a right angle thereto until the tool mounted on the slide unit abuts against the linear material (41) fed from the leading end of the quill (6) to form a linear spring. The slide plates (33) are closely and radially arranged along the circumference of the rotatable table. Every two slide plates (33) neighboring in pairs are provided with one servo-motor for selectively driving the respective slide plates one at a time.
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