Today’s Patent – Rollable Ball Toy
The said invention (US12219929B1) was invented by Lijun Wang, Xianfu Cao and patented by USPTO on May 9th, 2024. Currently, it stands assigned to the Pet Gravity Hangzhou Technology Co Ltd .

The disclosure presents a rollable ball toy designed for pets, featuring a compact, durable, and easily operable structure. It includes a rollable ball shell, an internal driving component, and a quick-detachable support connector mounted on both sides of the ball’s center.
The driving component has a single output end, while the opposite end houses a shaft cavity with a control button and charging dock, enhancing waterproofing and preventing damage from collisions. The support connector allows easy disassembly, especially for cleaning hair-wrapped shafts, and supports interchangeable parts for extended use and cost-efficiency.