US 12,221,083 B2
Reduction motor for drum brake
Alberto Molinaro, Noisy le Grand (FR); Cédric Guignon, La Queue en Brie (FR); Gérard Luu, Noisy le Grand (FR); Christophe Dupas, Pornic (FR); and Gaëtan Quazuguel, Pantin (FR)
Assigned to HITACHI ASTEMO FRANCE, Drancy (FR)
Appl. No. 17/417,661
Filed by HITACHI ASTEMO FRANCE, Drancy (FR)
PCT Filed Dec. 18, 2019, PCT No. PCT/FR2019/053158
§ 371(c)(1), (2) Date Jun. 23, 2021,
PCT Pub. No. WO2020/136325, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 1874365 (FR), filed on Dec. 28, 2018.
Prior Publication US 2022/0055595 A1, Feb. 24, 2022
Int. Cl. B60T 13/74 (2006.01); B60T 1/06 (2006.01); F16D 65/22 (2006.01); F16H 1/20 (2006.01); F16D 51/20 (2006.01); F16D 121/24 (2012.01); F16D 125/48 (2012.01); F16D 125/52 (2012.01)
CPC B60T 13/746 (2013.01) [B60T 1/067 (2013.01); F16D 65/22 (2013.01); F16H 1/203 (2013.01); F16D 51/20 (2013.01); F16D 2121/24 (2013.01); F16D 2125/48 (2013.01); F16D 2125/52 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A geared motor for a mechanical parking brake actuator of a drum brake including an electric motor and a reduction gearbox, wherein the electric motor has an output shaft extending along a first axis, the reduction gearbox includes an output axis extending along a second axis, and wherein the geared motor also includes an angle transmission between the electric motor and the reduction gearbox or at the output of the reduction gearbox, said angle transmission comprising a crown gear and a straight-cut pinion or toothed wheel meshing with the crown gear.