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Dock leveler

  • US 20050273949A1
  • Filed: 07/12/2005
  • Published: 12/15/2005
  • Est. Priority Date: 12/23/2002
  • Status: Abandoned Application
First Claim
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1. A dock leveler for forming a bridge between a floor of a loading dock and a trailer bed, the trailer bed being adapted to support a load and rise when that load is removed, said dock leveler comprising:

  • a deck assembly with a first hinged end, a second outer end and a deck with a lip, said deck being movable through a range of inclined positions between raised and lowered positions;

    a lift assembly including a lift member and a biasing mechanism, said lift member releasably supporting said deck assembly and being upwardly and downwardly movable through a range of positions between upper and lower positions, said biasing mechanism biasing said lift member upwardly toward its said upper position and said deck toward its said raised position;

    a hold down mechanism joined to said lift member, said hold down mechanism being operable to selectively prevent said lift member from moving upwardly toward its said upper extended position, said lift assembly and hold down mechanism combining to operably raise and lower said deck while said lift member remains in supporting engagement with said deck assembly to position said lip on the trailer bed; and

    , wherein said deck assembly releases from its said supporting engagement with said lift member when the load is removed and the trailer bed rises, said deck and lip being supported by and rising with the trailer bed.

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