LOGGER HYDRAULIC MANIPULATOR Russian patent published in 1997 - IPC

FIELD: timber industry and forestry; sanitary felling. SUBSTANCE: hydraulic manipulator has column with horizontal slewing mechanism. Boom is hinge mounted on column. Handle is hinge-connected with boom. Tie-rod is hinge-connected with column and with slewing mechanism housing for disconnection from column and from slewing mechanism housing. Column is hinge-connected with slewing mechanism housing for disconnection from the latter. Hinge connections of column with slewing mechanism housing and with boom and connections of boom with handle are identical. Tie-rod is adjustable in length. Lifting and lowering of boom and handle is provided by hydraulic cylinders. EFFECT: enlarged operating capabilities. 3 cl, 5 dwg