US 12,250,920 B2
Cat litter box capable of automatic cleaning and removal
Xiaolin Zhang, Shanghai (CN); and Junkang Hu, Shanghai (CN)
Assigned to SHANGHAI LIANCHONG INTELLIGENT TECHNOLOGY CO., LTD., Shanghai (CN)
Appl. No. 18/550,990
Filed by SHANGHAI LIANCHONG INTELLIGENT TECHNOLOGY CO., LTD., Shanghai (CN)
PCT Filed Mar. 13, 2023, PCT No. PCT/CN2023/080992
§ 371(c)(1), (2) Date Sep. 18, 2023,
PCT Pub. No. WO2023/185427, PCT Pub. Date Oct. 5, 2023.
Claims priority of application No. 202220816847.7 (CN), filed on Apr. 1, 2022.
Prior Publication US 2025/0031660 A1, Jan. 30, 2025
Int. Cl. A01K 1/01 (2006.01)
CPC A01K 1/0114 (2013.01) 13 Claims
OG exemplary drawing
 
1. A cat litter box capable of automatic cleaning and removal, comprising a pedestal and a roller repository, and the pedestal and the roller repository are connected via a drive mechanism, the roller repository comprises a barrel, a litter storage bin is provided in the barrel, a pet entry/exit port and a waste discharge port are opened on the barrel, wherein the waste discharge port is provided at a rotation track of the barrel, a movable cover is provided outside the waste discharge port, an adjustable filter assembly is provided in between the litter storage bin and the waste discharge bin, the adjustable filter assembly comprises a fixed stopper plate, the fixed stopper plate is connected with an inner side of the barrel, a filter mesh is provided underneath the fixed stopper plate, a movable stopper plate is provided rotatably in between the fixed stopper plate and the filter mesh, a rotation button is provided at an end of the movable stopper plate, and upon rotation of the rotation button, the movable stopper plate is rotatable synchronously, and fitted against the fixed stopper plate or the filter mesh.