Reciprocating slat conveyors with pressure seals

  • US 5,996,772 A
  • Filed: 05/28/1999
  • Issued: 12/07/1999
  • Est. Priority Date: 05/28/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. In a reciprocating slat conveyor composed of side-by-side conveyor slats, each having laterally outwardly extending opposite upper side portions, each said side portion including a depending, longitudinal support and seal bead having a lower edge that contacts and slides along a longitudinal bearing/seal surface on a longitudinal support beam that is below it, a conveyor structure comprising:

  • a longitudinal support beam positioned between each adjoining pair of conveyor slats, below adjacent upper side portions of the adjoining conveyor slats;

    a longitudinal bearing/seal member on each said support beam, extending along and secured to said support beam;

    said longitudinal support beam having a bottom wall and a pair of side walls connected to and extending upwardly from said bottom wall to a top opening;

    each said support beam including a pair of laterally outwardly directed flanges, one extending laterally outwardly from each side wall adjacent the top opening;

    each longitudinal bearing/seal member including laterally directed slots which receive the flanges on its support beam; and

    wherein said flanges provide tongue portions and the slots provide groove portions of tongue-and-groove connections between said support beam and said bearing/seal member.

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