Patent ID: 6948450

Claim:
A device for cleaning animal waste from stalls comprising: a first independent motorized drum coupled to a first motor, said motor operable in a first direction; a second independent motorized drum coupled to a second motor, said motor operable in a second direction; a cable extending between said first and said second motorized drums; a scraper carried by said cable; a first switch tripper carried by said cable, said first switch tripper positioned between said first motor and said scraper; a second switch ripper carried by said cable, said second switch tripper positioned between said second motor and said scraper; a first switch in communication with said first motor; a second switch in communication with said second motor; said first switch responsive to said switch first tripper; said second switch responsive to said second switch tripper; wherein when said first motor is operating in said first direction, said second motor provides sufficient drag to keep the cable desirably taught.