US 12,479,339 B2
Alert system for safety seat and safety seat
Manqun Cheng, Guangdong (CN)
Assigned to WONDERLAND SWITZERLAND AG, Steinhausen (CH)
Appl. No. 18/686,750
Filed by WONDERLAND SWITZERLAND AG, Steinhausen (CH)
PCT Filed Sep. 2, 2022, PCT No. PCT/EP2022/074466
§ 371(c)(1), (2) Date Feb. 26, 2024,
PCT Pub. No. WO2023/031410, PCT Pub. Date Mar. 9, 2023.
Claims priority of application No. 202111023896.1 (CN), filed on Sep. 2, 2021.
Prior Publication US 2024/0351488 A1, Oct. 24, 2024
Int. Cl. G08B 21/00 (2006.01); B60N 2/26 (2006.01); B60N 2/28 (2006.01); B60R 21/015 (2006.01)
CPC B60N 2/272 (2023.08) [B60N 2/2812 (2013.01); B60N 2/2816 (2023.08); B60R 21/01546 (2014.10)] 9 Claims
OG exemplary drawing
 
1. A safety seat, comprising:
a seat body having a seat portion and a seat back;
a seat belt;
a buckle assembly on the seat portion in a seesaw structure, the buckle assembly comprising:
a rotating shaft portion pivotally connected to the seat portion,
an actuating portion connected to the rotating shaft portion, the actuating portion having a free end that is not connected to the rotating shaft portion, wherein the free end of the actuating portion is higher than the rotating shaft portion and extends upward and in a direction toward the seat back;
a buckle portion connected to the rotating shaft portion, the buckle portion having a free end that is not connected to the rotating shaft portion, wherein the free end of the buckle portion is higher than the rotating shaft portion and extends upward and in a direction away from the seat back; and
a buckle component on the buckle portion; and
an alert system comprising:
a position sensor, disposed on the buckle assembly, the buckle assembly being rotated to trigger the position sensor when someone sits on the safety seat;
a buckle sensor, disposed in the buckle component to sense whether the seat belt is buckled to the buckle component; and
a control module, electrically connected to the buckle sensor and the position sensor, the control module sending a first alert signal when the control module determines that the position sensor is triggered and the seat belt is not buckled to the buckle component.