초록 ▼

A self-cleaning litter box for cats employs a comb drive to drive a comb through litter to remove waste from the litter. A sensor for detecting the presence of an obstruction is coupled to the comb drive and stops the comb drive upon detecting an obstruction. A manual mode selector switch and an act

A self-cleaning litter box for cats employs a comb drive to drive a comb through litter to remove waste from the litter. A sensor for detecting the presence of an obstruction is coupled to the comb drive and stops the comb drive upon detecting an obstruction. A manual mode selector switch and an actuating switch are provided to manually activate the cleaning of the litter box at a time deemed appropriate by the cat owner. A foot pedal unit may be provided for semi-automatic use. A removable tray for cat litter may be provided. The tray may be disposable. A pivotable ramp facilitates ingress to, and egress from, the litter box. The ramp may be carpeted. A tray receives the litter box and a hood encloses the litter box to provide privacy.

대표청구항 ▼

1. A cat litter apparatus, comprising:a litter chamber; an enclosure located over said litter chamber, said litter chamber being removable from said enclosure; a removable litter tray disposed in the litter chamber to receive the litter; and a tray lock for selectively retaining the tray in the litt

1. A cat litter apparatus, comprising:a litter chamber; an enclosure located over said litter chamber, said litter chamber being removable from said enclosure; a removable litter tray disposed in the litter chamber to receive the litter; and a tray lock for selectively retaining the tray in the litter chamber, said tray lock comprising a resilient locking tab on a selected one of said tray and said litter chamber and a locking projection on the other of said tray and said litter chamber, said tab being removably retained in said projection.