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Lift mast transport arrangement

  • US 4,690,610 A
  • Filed: 04/24/1986
  • Issued: 09/01/1987
  • Est. Priority Date: 04/24/1986
  • Status: Expired due to Fees
First Claim
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1. A material handling vehicle, comprising:

  • a frame having first and second spaced apart end portions, and a longitudinal vehicle axis extending between said first and second end portions;

    a first guide rail connected to said frame, said first guide rail being substantially parallel to said longitudinal vehicle axis;

    a second guide rail connected to said frame at a location spaced from said first guide rail, said second guide rail being substantially parallel to the first guide rail;

    a lift mast assembly having a pair of spaced apart upright guide members, and a carriage assembly connected to and elevationally movable along said upright guide members;

    transport means for connecting said lift mast assembly to said first and second guide rails and guiding movement of said lift mast assembly along said first and second guide rails in directions substantially parallel to said longitudinal vehicle axis;

    power means for moving said transport means along said first and second guide rails between a first position at which said lift mast assembly is adjacent the frame first end portion, and a second position at which the lift mast assembly is spaced from the first position and between the first and second end portions; and

    coupling means for connecting said power means to said transport means and providing a preselected amount of free movement of the transport means relative to said power means in directions transverse to the first and second guide rails.

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