05474416 is referenced by 26 patents and cites 8 patents.

This invention relates to a towable trailer, having an inner and outer frame, that function as levers, to lower the load bed horizontally to ground level. The levers are pivotally attached at the rear of the trailer. The trailer has a hinged tongue portion that when raised, allows cargo such as snowmobiles, to be driven or unloaded off of the front of the load bed while the load bed remains on ground level.

Title
Flat load trailer
Application Number
8/154717
Publication Number
5474416
Application Date
February 24, 1994
Publication Date
December 12, 1995
Inventor
Jacqulion R Rogge
941 Lazelle, Sturgis, 57785
SD, US
Michael E Rogge
941 Lazelle, Sturgis, 57785
SD, US
Agent
Bradley P Sylvester
IPC
B60P 1/44
View Original Source