US 12,329,124 B2
Animal toilet
Ayano Okawa, Kanonji (JP); Yasuhiro Sasano, Kanonji (JP); and Misato Nakatani, Kanonji (JP)
Assigned to UNICHARM CORPORATION, Ehime (JP)
Filed by UNICHARM CORPORATION, Ehime (JP)
Filed on Nov. 2, 2022, as Appl. No. 17/979,373.
Application 17/979,373 is a continuation of application No. PCT/JP2021/018953, filed on May 19, 2021.
Claims priority of application No. 2020-097403 (JP), filed on Jun. 4, 2020.
Prior Publication US 2023/0051699 A1, Feb. 16, 2023
Int. Cl. A01K 1/01 (2006.01)
CPC A01K 1/011 (2013.01) 9 Claims
OG exemplary drawing
 
1. An animal litter box comprising:
an upper container comprising a liquid passage portion having holes through which urine passes downward;
a tray on which an absorbent body is disposed to absorb the urine that passes through the liquid passage portion;
a lower container that supports the upper container from below and that detachably accommodates the tray; and
a ventilation fan disposed in the lower container and that sends internal air in the lower container outside, wherein
the lower container has an inclined back wall inclined obliquely with respect to a vertical direction of the animal litter box, and
the ventilation fan is disposed in the inclined back wall in parallel with the vertical direction.