METHOD AND DEVICE FOR CRUSHING FELLING RESIDUES Russian patent published in 1994 - IPC

FIELD: forest industry, particularly crushing of tree crowns. SUBSTANCE: waste is gathered into a tightly-compressed heap so as to force said waste by successive portions out by thrust-out force into crushing zones. Device comprises power-operated L-shaped working tools whose arms adjoin one another at such an angle U that thrust angles α measured between axes of corresponding lever arms and the axis passing through the points of their crossing shall not exceed the value defined in the description of the invention. EFFECT: improved functional and operational characteristics. 2 cl, 1 tbl, 8 dwg