Flat spool elastic motor having time-averaged constant torque output
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 24, 2005
Grant Date -
Dec 13, 2001
app pub date -
Mar 14, 2001
filing date -
May 25, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved elastic motor is disclosed having a constant torque characteristic. The motor utilizes a reel with elastic stretched to its maximum tension. Each unit length of the elastic is allowed to relax back to its normal state while generating work in a process that will continue until the wheel is fully unwound. The present invention will ease design of mobile devices and the like by providing a power source having a predictable and stable output characteristic.
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