US 12,404,665 B2
Strainer
Jiaxing Zhan, Dongguan (CN)
Assigned to Dongguan Zhicheng Supply Chain Co., Ltd., Dongguan (CN)
Filed by Dongguan Zhicheng Supply Chain Co., Ltd., Dongguan (CN)
Filed on Sep. 6, 2023, as Appl. No. 18/461,586.
Claims priority of application No. 202320390715.7 (CN), filed on Mar. 3, 2023.
Prior Publication US 2024/0295106 A1, Sep. 5, 2024
Int. Cl. E03C 1/264 (2006.01)
CPC E03C 1/264 (2013.01) 7 Claims
OG exemplary drawing
 
1. A strainer comprising a supporting plate and multiple annular chains, wherein:
a drain hole is provided in the center of the supporting plate; and
the annular chains are connected to each other to form a mesh, and an outer edge of the mesh is connected to the supporting plate, and the outer edge of the strainer surrounds the drain hole, wherein the supporting plate is provided with multiple connection holes arranged in a circumferential array on an outside of the drain hole; and the annular chains located at the outer edge of the mesh extend through the corresponding connection holes respectively to connect the mesh to the supporting plate.
 
6. A strainer comprising a supporting plate and multiple annular chains, wherein:
a drain hole is provided in the center of the supporting plate; and
the annular chains are connected to each other to form a mesh, and an outer edge of the mesh is connected to the supporting plate, and the outer edge of the strainer surrounds the drain hole,, wherein the mesh comprises multiple annular chain sets arranged sequentially from an inside of the mesh to an outside of the mesh, and the annular chain sets comprise the annular chains arranged in a circumferential array and connected to each other; and each of the annular chain is engaged to the corresponding two annular chains in the annular chain set on the outside of the mesh.