Self-advancing device
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United States of America Patent
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Jan 27, 2009
Grant Date -
Jul 28, 2005
app pub date -
Dec 20, 2002
filing date -
Dec 20, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device (1) which includes an elongate body (2) with a movable mass (3) arranged for sliding movement within the body (2), the element (4) being arranged to decelerate toward an end of the body (2) in order to impart forward movement thereto, via momentum transfer, and being arranged to accelerate away from said end in order to further drive the body (2) forward, again using momentum transfer.
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