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Combined tailgate and loader assembly for a dump truck

  • US 5,176,486 A
  • Filed: 02/19/1991
  • Issued: 01/05/1993
  • Est. Priority Date: 05/15/1989
  • Status: Expired due to Term
First Claim
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1. A tailgate and loader unit adapted for use on a dump truck including a pivotally supported body having a bed and parallel spaced side walls defining a rear opening, said unit comprising a frame including a pair of parallel spaced vertical frame members having upper end portions and lower end portions, a horizontal cross frame member rigidly connecting said lower end portions of said vertical frame members, means for connecting said vertical frame members to said side walls of said body, a set of first and second elongated extendable tracks supported by each of said vertical frame members for relative vertical movement between upper retracted positions and lower extended positions, a generally rectangular tailgate having a longitudinal lower edge portion supported by said second tracks for pivotal movement of said tailgate between a vertical position and a horizontal position forming a platform, power operated means for moving said first and second tracks between said retracted and extended positions for moving said tailgate in said horizontal position between a lower position adjacent a road surface and an elevated position generally flush with said bed, each of said vertical frame members including a rearwardly projecting portion, each said set of tracks disposed laterally between said tailgate and said rearwardly projecting portion of the corresponding said vertical frame member, each of said first and second tracks having a C-shape configuration in horizontal cross-section, a set of rollers mounted on said rearwardly projecting portion of each said vertical frame member and projecting laterally inwardly to support the corresponding said first track for vertical movement, a set of rollers mounted on each said first track and projecting laterally inwardly to support the corresponding said second track for relative vertical movement, and a pivot member connecting said lower edge portion of said tailgate to each of said second tracks.

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