Linear actuator of the screw-nut type
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United States of America Patent
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Mar 23, 2010
Issued Date -
N/A
app pub date -
Oct 19, 2007
filing date -
Nov 30, 2006
priority date (Note) -
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Abstract
A linear actuator (1) comprising a housing (6), a motor (2) comprising a stator with coils (4), a screw-nut system, and a rotor (5) axially and radially supported on the motor side by a bearing (11). The bearing comprises a ball (14) rigidly attached to the rotor, a cylindrical cavity (15) formed or positioned in the housing into which the ball (14) is inserted. A stop (17) is positioned in the cavity, supported in an axial direction of the rotor, against the ball (14) in essentially one point.
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