| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electric linear motion actuator suitable for an electric brake device where a sensor for detecting pressing force of a friction pad is hardly influenced with frictional heat between the friction pad and a brake disc and can detect the pressing force of the friction pad with consistent accuracy.SOLUTION: An electric brake device 1 has a rectilinear motion mechanism for converting rotation of a rotating shaft 10 into rectilinear motion of an outer ring member 12 and is configured so that the outer ring member 12 presses a friction pad 8 against a brake disc 2. The electric brake device 1 also has a reaction receiving member 14 for receiving reaction force acting axially rearward when the friction pad 8 is pressed axially forward by the outer ring member 12. A fixed member 35 is provided axially behind the reaction receiving member 14, a row 37 of magnetic poles is provided to the reaction receiving member 14, and a magnetic sensor 38 is provided to the fixed member 35.</p> |
