ブレーキ装置

Abstract

<P>PROBLEM TO BE SOLVED: To provide a brake device for arranging the brake device in a limited space between a wheel and a carriage, by miniaturizing an actuator. <P>SOLUTION: This brake device is provided for applying frictional force by pressing a brake shoe to a disc, and has the actuator 50 generating driving force and a boosting unit 20 for boosting and transmitting the driving force generated by this actuator 50 to the brake shoe. This boosting unit 20 has a main gear 24 rotationally driven by the actuator 50, a subgear 25 integrally rotating with this main gear 24, and an output rod 21 moving via a rack 26 meshing with this subgear 25, and is constituted for pressing the brake shoe to the disc by interlocking with operation of this output rod 21. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

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