Patent ID: 7987818

Claim:
An animal litter box comprising: an evacuation container of which an upper surface has an opening; and a hood disposed above the evacuation container so as to cover the opening, the hood having a fixed hood disposed on one end of the evacuation container, a movable hood disposed on another end of the evacuation container, and a pair of connecting portions which connect the movable hood to the fixed hood to be moved rotatably, wherein the movable hood is configured to be moved rotatably outside or inside the fixed hood so that an end edge on at least one end of the movable hood is proximal to the fixed hood while maintaining a prescribed distance between the fixed hood and the movable hood, and wherein at least one of the fixed hood and the movable hood includes: a convex restricting portion which prevents a distance between the end edge on at least the one end of the movable hood and the fixed hood from being less than the prescribed distance and; a convex guide groove which extends from one side edge to another side edge in a substantially center portion of a transverse direction of the one of the fixed hood or movable hood to guide the convex restricting portion slidably.