Actuators and methods for controlling tools

Actuators, systems, and methods for controlling tools are disclosed. One actuator includes a first motor, a second motor, and a controller. The first motor is operable to rotate a first threading extending in a first helical direction around an axis. The second motor is operable to rotate a second t...

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Bibliographische Detailangaben
1. Verfasser: Norum, Viggo Lauritz
Format: Patent
Sprache:eng
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