Direct attachment electric motor operated ball nut and screw linear actuator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 24, 2002
Grant Date -
N/A
app pub date -
Nov 16, 2000
filing date -
Nov 16, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A linear actuator comprises a ball screw carrying an axially restrained rotatable ball nut driven by an electrically energized motor. An enclosing motor housing has front and rear walls with axially aligned openings for passing the ball screw. The motor has a radially inner hollow stator assembly and a generally concentric radially outer rotor assembly. A can member is integrated with the rotor assembly to rotate therewith and has a radial end wall connected to the nut.
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