Patents Assigned to Lewis Bros. Mfg. Inc.
  • Patent number: 4897183
    Abstract: A litter screening and separating apparatus including a storage compartment arranged for towed movement, a loader structure affixed at one end of the storage compartment for picking up encrusted litter material from floors of chicken houses, a conveyor including a pair of chains for moving the encrusted litter from the loading structure to the storage compartment, a baffle plate adjacent and beneath the conveyor chain for preventing contamination of the conveyor chain from the material stored in the storage compartment, a plurality of loading panels arranged between the pair of chains and being replaceably affixed thereto, and vibrator rollers adjacent the pair of chains for engagement with projections on spaced links of each chain for vibrating the loading panels. The loading panels may be of solid panel construction or of expanded metal, depending upon the type of litter being picked up and the method of use of the apparatus.
    Type: Grant
    Filed: June 10, 1987
    Date of Patent: January 30, 1990
    Assignee: Lewis Bros. Mfg. Inc.
    Inventors: Robert L. Lewis, Jr., Carl J. Thomas