DUMP TRAILER Russian patent published in 2009 - IPC B60P1/16 

FIELD: transportation.

SUBSTANCE: dump trailer comprises frame 1, on crossbars 2 of which support bracket 3 is rigidly fixed, being connected hingedly to external pipe of lift 4, and its smaller pipe 5 is equipped with bracket 6. On bracket 6 with the help of fingers 7, double-arm levers 8 are movably installed, connected to each other by means of tension spring 9. Some ends of double-arm levers 8 interact with annular grooves 10, arranged on external pipe of hydraulic lift 4, and other ones - to flexible joint 11, via guide unit 12 with control handle 13 fixed relative to frame 1. On frame 1 dump platform 14 is installed, which is connected hingedly with smaller pipe 5 of hydraulic lift. Flexible joint 11 is also connected to bracket 6 with the help of tension spring 15.

EFFECT: automatic fixation of platform in certain position in process of dump unloading.

3 dwg