US 12,349,770 B2
Belt buckle assembly and weightlifting belt
Zhidong Chen, Hefei (CN)
Assigned to Anhui Champion Intelligent Manufacturing Technology Co., Ltd, Hefei (CN)
Appl. No. 18/293,277
Filed by ANHUI CHAMPION INTELLIGENT MANUFACTURING TECHNOLOGY CO., LTD, Hefei (CN)
PCT Filed Sep. 5, 2022, PCT No. PCT/CN2022/116980
§ 371(c)(1), (2) Date Jan. 29, 2024,
PCT Pub. No. WO2023/030515, PCT Pub. Date Mar. 9, 2023.
Claims priority of application No. 202122124931.0 (CN), filed on Sep. 4, 2021; and application No. 202222270613.X (CN), filed on Aug. 26, 2022.
Prior Publication US 2025/0089856 A1, Mar. 20, 2025
Int. Cl. A44B 11/06 (2006.01); A63B 21/00 (2006.01); A41F 9/02 (2006.01); B60P 7/08 (2006.01)
CPC A44B 11/065 (2013.01) [A63B 21/00181 (2013.01); A41F 9/025 (2013.01); B60P 7/083 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A belt buckle assembly, comprising: a belt buckle base plate (1), a pin shaft member (3), a ratchet wheel (6) and a handle ratchet (7) which fit each other, and a swing handle housing (2), wherein the swing handle housing (2) is rotatably mounted on the belt buckle base plate (1) by the pin shaft member (3), the handle ratchet (7) is rotatably supported and mounted on the swing handle housing (2),
the ratchet wheel (6) is provided with a center hole and sleeved on the pin shaft member (3) through the center hole, and the ratchet wheel (6) is provided with an unlocking slot (61); and
a ratchet wheel unlocking mechanism; wherein the ratchet wheel unlocking mechanism comprises an unlocking member (35), and the unlocking member (35) can move radially along the pin shaft member (3) so as to be engaged into or disengaged from the unlocking slot (61);
the structure of the ratchet wheel unlocking mechanism is arranged such that when the unlocking member (35) is engaged into the unlocking slot (61) of the ratchet wheel (6), the pin shaft member (3) can rotate together with the ratchet wheel (6), and when the unlocking assembly is disengaged from the unlocking slot (61) of the ratchet wheel (6), the pin shaft member (3) can rotate individually.