US 12,168,427 B2
Reduction gearbox for drum brake, offering significant conformability
Alberto Molinaro, Noisy le Grand (FR); Cédric Guignon, La Queue en Brie (FR); Luu Gérard, Noisy le Grand (FR); and Christophe Dupas, Pornic (FR)
Assigned to FOUNDATION BRAKES FRANCE, Drancy (FR)
Appl. No. 17/418,413
Filed by FOUNDATION BRAKES FRANCE, Drancy (FR)
PCT Filed Dec. 18, 2019, PCT No. PCT/FR2019/053171
§ 371(c)(1), (2) Date Jun. 25, 2021,
PCT Pub. No. WO2020/136329, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 1874367 (FR), filed on Dec. 28, 2018.
Prior Publication US 2022/0063579 A1, Mar. 3, 2022
Int. Cl. B60T 13/74 (2006.01); B60T 1/06 (2006.01); F16D 65/22 (2006.01); F16D 121/24 (2012.01)
CPC B60T 13/746 (2013.01) [B60T 1/067 (2013.01); F16D 65/22 (2013.01); F16D 2121/24 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A geared motor for a mechanical parking brake actuator of a drum brake including an electric motor comprising an output shaft extending along a first axis, and a reduction gearbox including an output axis extending along a second axis, wherein said reduction gearbox has tangentially meshing stepped gears, each stepped gear comprising a toothed wheel and a pinion which are coaxial integrally rotatably superimposed with each other, said stepped gears being mounted rotatably movable about axes parallel to each other, and wherein the reduction gearbox comprises a plate and wherein the axes about which the stepped gears are freely rotatably mounted, are integral with the plate.