Flexible shaft whose core yarn elasticity is less than that of wound yarn
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 6, 2008
Grant Date -
Jul 6, 2006
app pub date -
Dec 6, 2005
filing date -
Jun 6, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible shaft designed to rotate inside a sheath for transmitting rotary motion can include at least one core wire and winding wired wound around the core wire. The core wire has an elasticity and resilience that are lower than the elasticity and resilience of the winding wires. According to some examples, the core wire can be formed of annealed copper or annealed brass. The winding wires can be formed of steel.
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