US 12,280,287 B1
Locking mechanism for weight plate and dumbbell using same
Huiguan Chen, Zhejiang (CN)
Filed by Yongkang Jiebao Industry and Trade Co., Ltd, Zhejiang (CN)
Filed on Feb. 9, 2024, as Appl. No. 18/438,394.
Int. Cl. A63B 21/072 (2006.01); A63B 21/075 (2006.01)
CPC A63B 21/0728 (2013.01) [A63B 21/0726 (2013.01); A63B 21/075 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A locking mechanism for weight plates, comprising:
an accommodating disk, wherein a limiting device and a limiting disk are arranged on said accommodating disk; and
said limiting device comprises at least one limiting block and at least one transmission block, wherein said at least one limiting block has a locking position and a releasing position driven by said at least one transmission block; and
a limiting rail groove is arranged on said limiting disk, and said limiting rail groove is provided with a locking block and an opening block; and said at least one transmission block is slidably arranged in said limiting rail groove, at least one locking notch is also arranged on said accommodating disk, and said at least one said locking notch corresponds to said at least one limiting block; and
when said at least one transmission block is located in said locking block, said at least one limiting block is arranged in said at least one said locking notch, and when said at least one transmission block is located in said opening block, said at least one limiting block is away from said at least one said locking notch.