EXCAVATOR BUCKET Russian patent published in 2015 - IPC E02F3/40 

FIELD: construction.

SUBSTANCE: excavator bucket includes a bottom, a screen, hydraulic cylinders of screen rotation, rollers installed at the ends of stems of hydraulic cylinders and placed into bottom guides, hinged joints of screen fixation to the bottom, made in the form of eccentrics, eccentricity of which in the initial position of the canopy is directed towards the bottom. Bodies of hydraulic cylinders of screen rotation are fixed at the side of the upper edge of the bucket bottom. Eyes of stems of hydraulic cylinders are lowered down at the rear side of the bucket, are connected hingedly with eyes of traction rods. Upper ends of traction rods are connected hingedly to brackets fixed stiffly to side walls of the screen with the possibility of their displacement in vertical slots in the bucket bottom. On each traction rod there are at least two rollers within displacement in guides fixed at the rear side to the bucket bottom.

EFFECT: reduced mass of hydraulic cylinders of screen opening during soil unloading, increased capacity of a bucket and efficiency.

2 cl, 4 dwg