PRUNER Russian patent published in 1999 - IPC

FIELD: agriculture, in particular, fruit tree, brush and vine pruning equipment. SUBSTANCE: pruner has knife with lever and counterknife which are secured to power cylinder casing, and compression spring mounted inside stem cavity. Pruner is further provided with stop positioned on stem for rotation about its axis, and guiding bushing with slot in its side surface. Stop has two beads. Guiding bushing is fixed on casing for rotation about stem axis. One stop bead is inserted into longitudinal slot of guiding bushing and other stop bead is adapted for engagement with knife lever. EFFECT: reduced metal usage and enhanced reliability in operation. 2 cl, 4 dwg