CHANGEABLE HAND TOOL Russian patent published in 2000 - IPC

FIELD: horticulture, construction industry, may be used as facilities for tourists and climbers. SUBSTANCE: hand tool has grip, holder fixed to grip, and shank with cylindrical rod. Movable safety nut is secured on threaded portion of rod. At least one connecting pin of axisymmetric or flat shape is positioned at end part of rod adjoining to working tool. Pins are inserted into shaped slots arranged in accordance with arrangement of pins on working tool connector and retained in such position by safety nut. Shank-grip is reliably joined with working tool by means of auxiliary intermediate circular member, which is positioned on rod between safety nut and connecting pins. Circular member has recess for pinching connecting member of working tool on rod. Auxiliary intermediate member may be made flat and may be positioned on portion of rod adjoining to working tool. Two or more connecting pins may be positioned on flat intermediate member. Hand tool is provided with detachable handle secured to shank-grip. EFFECT: simplified construction by using standard connecting member with shaped slots, convenient handling and maintenance. 5 cl, 16 dwg, 3 ex