COUPLING SYSTEM FOR HAND INSTRUMENTS FOR DENTAL OR SURGICAL USE
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United States of America Patent
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N/A
Issued Date -
Mar 19, 2009
app pub date -
Jun 21, 2007
filing date -
Jul 18, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A coupling system for shafts of the lower gripper mechanism and the upper motor mechanism of an instrument includes: —a hollow shaft whose upper end can couple to the lower end of the motor mechanism shaft and whose lower end can slide around the upper end of the gripper mechanism shaft; a movable pin connecting the lower end of the hollow shaft with the upper end of the gripper mechanism shaft; a spring; two diametrically opposed oblong windows serving to limit the path of the pin such that, for the hollow shaft and the gripper mechanism shaft, a first relative position wherein they are separated maximally and a second relative position wherein they are approached maximally are defined; and a holder whose length is such that, only in the second position, it allows the pin to appear allowing connection separation of the coupling system and the gripper mechanism, respectively.
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