Method for producing an inclined helical spring
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United States of America Patent
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Apr 22, 2003
Grant Date -
Jan 31, 2002
app pub date -
Jul 27, 2001
filing date -
Jul 31, 2000
priority date (Note) -
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Abstract
The present invention is directed to an inclined helical spring having a plurality of coils along an inclined coil axis. Each coil constituting a part or the whole length of the helical compression spring is increased and decreased in diameter along the longitudinal axis of the spring, and forming the longitudinal axis of the spring in a free state thereof to be inclined substantially at a predetermined angle to an axis to be mounted with the spring. For example, one section of each coil having approximately a half of the circumference of each coil, which is divided by a plane including the coil axis, is increased in diameter, whereas the other one section of approximately a half of the circumference of each coil is decreased in diameter. The inclined helical spring may be mounted on a vehicle suspension.
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