US 12,115,888 B2
Fitting for vehicle seat
Grit Scholz, Remscheid (DE); Kirubaharan Albert Reginold, Burscheid (DE); Dieter Henkel, Remscheid (DE); Daniel Huebner, Leverkusen (DE); Balaji Paramasivam, Leverkusen (DE); Arkadius Rock, Solingen (DE); Rolf Schueler, Heiligenhaus (DE); and Mothanna Yasen, Wermelskirchen (DE)
Assigned to Keiper Seating Mechanisms Co., Ltd, Shanghai (CN)
Appl. No. 17/610,206
Filed by ADIENT US LLC, Plymouth, MI (US)
PCT Filed May 8, 2020, PCT No. PCT/EP2020/062898
§ 371(c)(1), (2) Date Nov. 10, 2021,
PCT Pub. No. WO2020/229354, PCT Pub. Date Nov. 19, 2020.
Claims priority of application No. 10 2019 112 345.3 (DE), filed on May 10, 2019; and application No. 10 2019 129 528.9 (DE), filed on Oct. 31, 2019.
Prior Publication US 2022/0219577 A1, Jul. 14, 2022
Int. Cl. B60N 2/225 (2006.01); B60N 2/22 (2006.01)
CPC B60N 2/2252 (2013.01) [B60N 2/2213 (2013.01); B60N 2205/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A joint fitting for a motor vehicle seat, comprising:
a first fitting part with a first sprocket,
a second fitting part with a second sprocket, the second fitting part being rotatable about an axis of rotation (A) relative to the first sprocket,
a gear, which rolls in the first sprocket and in the second sprocket, for generating a rotary movement between the first sprocket and the second sprocket,
a first eccentric, which is arranged between the first fitting part and the gear, for driving a rolling movement of the gear in the first sprocket, the first eccentric having two wedge segments and a spring that pushes the wedge segments apart, and a second eccentric, for eliminating backlash between the gear and the second sprocket, is arranged between the second fitting part and the gear, the second eccentric having two wedge segments,
wherein the gear has a shaft portion that protrudes from first and second sides of the gear,
wherein the wedge segments of the first eccentric are supported on the shaft portion on the first side of the gear,
wherein the wedge segments of the second eccentric are supported on the shaft portion on the second side of the gear,
wherein a first driver is mounted in a rotatable manner in a first side of the shaft portion and a second driver is mounted in a rotatable manner in a second side of the shaft portion,
wherein the first driver has a groove for receiving the shaft portion protruding from the first side of the gear and the second driver has a groove for receiving the shaft portion protruding from the second side of the gear.