US 12,017,607 B2
Inertia sensor and method for reducing the friction between two components of an inertia sensor
Boris Siebeck, Schwäbisch Gmünd (DE)
Assigned to ZF AUTOMOTIVE GERMANY GMBH, Alfdorf (DE)
Appl. No. 17/298,796
Filed by ZF AUTOMOTIVE GERMANY GMBH, Alfdorf (DE)
PCT Filed Nov. 29, 2019, PCT No. PCT/EP2019/083037
§ 371(c)(1), (2) Date Jun. 1, 2021,
PCT Pub. No. WO2020/114897, PCT Pub. Date Jun. 11, 2020.
Claims priority of application No. 10 2018 130 923.6 (DE), filed on Dec. 5, 2018.
Prior Publication US 2022/0032871 A1, Feb. 3, 2022
Int. Cl. B60R 22/40 (2006.01); G01P 1/02 (2006.01); G01P 15/02 (2013.01)
CPC B60R 22/40 (2013.01) [G01P 1/023 (2013.01); G01P 15/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An inertia sensor provided on a belt retractor, comprising at least two components which are reversibly movable relative to each other and each of which includes at least one contact surface on which the components are in contact with each other, wherein at least one of the contact surfaces is coated with graphite powder.