SELF-CLEANING LITTER BOX

摘要

A self-cleaning litter box (50) which provides various advantages over the
prior art. In particular, in one embodiment, the self-cleaning litter box (50)
is configured to use a cartridge (20) which may include a litter compartment
(26) and a waste compartment (24). In another embodiment, the cartridge (20)
may be non-compartmentalized. The cartridge (20) may be disposable, thus
eliminating the need for the user to clean the litter tray and handle heavy
litter containers. In other embodiments, the system includes a rake assembly
(56) configured with a drive assembly (58) that is protected from
contamination. In accordance with another embodiment of the invention, the
self-cleaning litter box (50) is configured to be used with all types of
litter including crystal type litter.