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1. WO2020065515 - RECLINING DEVICE FOR A VEHICLE SEAT

Publication Number WO/2020/065515
Publication Date 02.04.2020
International Application No. PCT/IB2019/058074
International Filing Date 24.09.2019
IPC
B60N 2/225 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
2Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
02the seat or part thereof being movable, e.g. adjustable
22the back-rest being adjustable
225by cycloidal or planetary mechanisms
CPC
B60N 2/2252
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
2Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
02the seat or part thereof being movable, e.g. adjustable
22the back-rest being adjustable
225by cycloidal or planetary mechanisms
2252in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear
B60N 2/2254
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
2Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
02the seat or part thereof being movable, e.g. adjustable
22the back-rest being adjustable
225by cycloidal or planetary mechanisms
2254provided with braking systems
Applicants
  • MARTUR ITALY S.R.L. [IT]/[IT]
Inventors
  • ÜSTÜNBERK, Can
  • ZAMBON, Bruno
Agents
  • BALDI, Stefano
Priority Data
10201800000890425.09.2018IT
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) RECLINING DEVICE FOR A VEHICLE SEAT
(FR) DISPOSITIF D'INCLINAISON POUR UN SIÈGE DE VÉHICULE
Abstract
(EN)
The invention relates to a reclining device (1) for a vehicle seat of the kind comprising a first plate (3) carrying an internal gear (5), and a second plate (9) carrying an external gear (11) cooperating with the internal gear. The reclining device includes a first and second wedge elements (17a, 17b) for preventing undesired rotation of the external and internal gears relative to each other. The reclining device (1) further includes a lock spring (21) comprising one or more locking teeth (41), intended to engage a ring gear (45) which is integral with one of said first and second plates for inhibiting relative rotation of said plates, and one or more spring arms (43), which elastically urge said locking teeth (41) towards said ring gear (45). According to the invention, said spring arms (43) outwardly extend from the outer perimeter of the body (31) of said lock spring, wherein each of said spring armes (43) comprises a first outwardly projecting portion (43a) and a second portion (43b) running along the outer periphery of said body (31) of said lock spring (21), said second portions (43b) of said spring arms (43) each spanning over an angle of more than 45° along the outer periphery of said body of said lock spring.
(FR)
La présente invention porte sur un dispositif d'inclinaison (1) pour un siège de véhicule du type comprenant une première plaque (3) portant un engrenage interne (5) et une seconde plaque portant un engrenage externe (11) coopérant avec l'engrenage interne. Le dispositif d'inclinaison comprend des premier et second éléments de coin (17a, 17b) pour empêcher une rotation non souhaitée des engrenages externe et interne l'un par rapport à l'autre. Le dispositif d'inclinaison (1) comprend en outre un ressort de verrouillage (21) comprenant une ou plusieurs dents de verrouillage (41), destinées à venir en prise avec une couronne dentée (45) qui est solidaire de l'une desdites première et deuxième plaques pour inhiber la rotation relative desdites plaques, et un ou plusieurs bras de ressort (43), qui sollicitent élastiquement lesdites dents de verrouillage (41) vers ladite couronne dentée (45). Selon l'invention, lesdits bras de ressort (43) s'étendent vers l'extérieur à partir du périmètre extérieur du corps (31) dudit ressort de verrouillage, chacun desdits bras de ressort (43) comprenant une première partie faisant saillie vers l'extérieur (43a) et une seconde partie (43b) s'étendant le long de la périphérie externe dudit corps (31) dudit ressort de verrouillage (21), lesdites secondes parties (43b) desdits bras de ressort (43) s'étendant chacune sur un angle supérieur à 45° le long de la périphérie externe dudit corps dudit ressort de verrouillage.
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