公开(公告)号：US12171188B2

公开(公告)日：2024-12-24

申请号：US17887536

申请日：2022-08-15

Applicant: UBTECH ROBOTICS CORP LTD

Inventor： Kexin Tian ,  Yangming Qian ,  Jin Li ,  Yanhui Chai

IPC: A01K1/01

Abstract: A pet litter device includes: a base configured to be placed on a support surface, the base defining a recessed portion that comprises a recess surface defining an opening, and a drum rotatably connected to the base and partly received in the recessed portion. The drum has an outer lateral surface. The recess surface and a portion of the outer lateral surface that faces the recess surface define a gap and form a passage in communication with the opening. The recess surface is to guide litter particles entering the passage to pass through the opening to fall on the support surface.

公开(公告)号：US20230309501A1

公开(公告)日：2023-10-05

申请号：US17887536

申请日：2022-08-15

Applicant: UBTECH ROBOTICS CORP LTD

Inventor： Kexin Tian ,  Yangming Qian ,  Jin Li ,  Yanhui Chai

IPC: A01K1/01

CPC classification number: A01K1/0114

Abstract: A pet litter device includes: a base configured to be placed on a support surface, the base defining a recessed portion that comprises a recess surface defining an opening, and a drum rotatably connected to the base and partly received in the recessed portion. The drum has an outer lateral surface. The recess surface and a portion of the outer lateral surface that faces the recess surface define a gap and form a passage in communication with the opening. The recess surface is to guide litter particles entering the passage to pass through the opening to fall on the support surface.