| 摘要 |
A combination bed extension/ramp stricture for attachment to a sleeve-hitch of a truck, the structure comprising a non-revolving-hitch attachment member; a rear rectangular panel pivotally connected to the non-revolving-hitch attachment member to pivot around a first substantially horizontal axis from a first substantially upright position to a second position, wherein the rear panel is acting as a ramp between a rear panel- ground contact point and the plane of the non-revolving-hitch attachment member; a front rectangular panel pivotally connected to the rear panel at an intermediate point whereby when the rear panel is in the first position, the front panel is positioned substantially horizontal; whereby when the rear panel pivots from the first position to the second position, the front panel pivots relative to the rear panel around a second substantially horizontal axis and moves from the horizontal position to an inclined position that complements the inclination of the rear panel in the second position.
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