Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Keisuke Kazuno0
Takaaki Ohnishi0
Hirakazu Yoshida0
Kunimichi Hatano0
Date of Patent
February 13, 2018
Patent Application Number
14683275
Date Filed
April 10, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
An electric linear actuator has a housing, an electric motor, a speed reduction mechanism and a ball screw mechanism. The ball screw mechanism has a nut and screw shaft. A blind bore is formed on the housing. The blind bore contains an end of the screw shaft. An anti-rotation mechanism for the screw shaft has a sleeve and guide pin. The sleeve is press-formed from steel sheet and fit into the blind bore of the housing. The guide pin is mounted on the end of the screw shaft, via a through aperture formed in the screw shaft. The guide pin axially movably engages the sleeve.
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