ROTATOR OF MANIPULATOR LOGGER Russian patent published in 2008 - IPC A01G23/08 

FIELD: timber industry.

SUBSTANCE: rotator includes housing hinge-mounted on manipulator and consisting of two spaces. Upper space is made in form of reciprocating hydraulic cylinder. Rod of hydraulic cylinder is made in middle part length wise in form of threaded screw engaging with nut. Guides for rod are made in lower cover of lower space. Means for fastening of working member and fastening to hydraulic manipulator are mounted on upper cover of housing and of rod of hydraulic cylinder lower than lower cover. Rod of hydraulic cylinder consists of two parts interconnected by rotary-axial joint located higher than threaded part. Nut is rigidly secured in partition rigidly fitted in lower space. Seal for rod is installed in partition between upper and lower spaces. Inlet-outlet of hydraulic liquid into upper space are made, one over piston, and the other, under piston. Housing of rotator is split.

EFFECT: increased reliability of rotator, facilitated mounting and demounting.

2 cl, 2 dwg