MANUAL MULTIPLE-PURPOSE SAW Russian patent published in 1996 - IPC

FIELD: mechanical engineering. SUBSTANCE: manual blade holding frame has bracket, handle, two pins, two holders, washer, blade, insert formed as base with shank. Base is provided with two symmetrical blade receiving slots, with space between blades exceeding thickness of bracket. Through threaded opening perpendicular to slots is made in base ends. Auxiliary slot in base is extending in parallel with two slots midway between them. End surface of base is made curvilinear, with threaded openings for receiving fastening screws. Height of inner side of base exceeds total height of outer side and fastening screw head. Insert allows three variants of blade fastening to provided, each variant allowing additional operations to be effectuated. EFFECT: increased efficiency, wider operational capabilities by fastening one or two blades and provision for sawing objects with sizes exceeding that of bracket. 3 cl, 8 dwg