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Cab step assembly

  • US 5,284,349 A
  • Filed: 11/30/1992
  • Issued: 02/08/1994
  • Est. Priority Date: 11/30/1992
  • Status: Expired due to Fees
First Claim
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1. A step assembly for a vehicle cab having a frame, a side wall including a doorway, and a door hinged to the side wall for closing the doorway, said doorway having an opening below the door when the door is closed, and a floor having an opening aligned with the doorway comprising:

  • floor means having a size to close the opening in the floor, step means joined to the floor means for closing the opening in the side wall below the door, hinge means pivotally connecting the floor means to the frame to allow the floor means and step means to move between an up, closed position wherein the openings in the floor and side wall are closed and a down, step position wherein the step means is located generally horizontal below the doorway, means connected to the floor means and frame for holding the floor means and step means in the down, step position, and means connected to the floor means and floor for holding the floor means and step means in the up, closed position, said means for holding the floor means and step means in the down, step position comprise links having longitudinal slots along the length thereof, first pivot members connecting the links to the frame adjacent the opening in the floor outwardly of the hinge means, second pivot members connected to the floor means and extended through said slot sin the links, said second pivot members being located in the bottom of said slots when the floor means and step means are in the down, step position thereby limiting downward pivoting of the floor means and step means and located in the upper portion of said slots when the floor means and step means are in the up, closed position.

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