Articulated arm
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 26, 2009
Grant Date -
Apr 27, 2006
app pub date -
Oct 26, 2005
filing date -
Oct 27, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
are inserted. Support shafts are inserted, movably back and forth freely, in the through-holes behind the rear end portion of the compression coil springs. A certain support shaft is moved forward by actuator or the like to push the compression coil spring while other support shaft are moved backward. As a result, the second arm member can be moved to a specified position by the ball joint. Stopping state of the second arm member at the specified position is maintained by the balance of position of support shaft and repulsive force of compression coil spring.
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