Manipulators
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United States of America Patent
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-
Jan 11, 1983
Grant Date -
N/A
app pub date -
Sep 5, 1980
filing date -
Sep 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A manipulator consisting of a slave assembly, a master unit, and a control circuit. The movement of the various components of the slave assembly are actuated by electric stepping motors, and the slave assembly itself comprises a pantograph linkage having a wrist at one end of an extended link of the linkage. A jaw assembly connected to the wrist is arrranged to be operated by a fluid circuit which is pressurized by an electric pump and regulated by the action of a throttling device that has a plunger held over an opening by an electric solenoid. Movement of the plunger is detected by the change of impedance of a sensing coil as the plunger enters the coil.
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