SHOE PROTECTIVE DEVICE Russian patent published in 2000 - IPC

FIELD: shoe industry. SUBSTANCE: shoe protective device is adapted for attachment under sole of shoe worn by user engaged in ground tillage. Device has front part of increased strength, supporting plate and two-rack platform with perforated scale. Supporting plate and platform are connected in series to front part. Ends of fastening brackets are passed through openings in perforated platform for regulating and fixing position of working shoe and supporting plate relative to front part working surfaces. When user manually moves portion of ground by means of digger, shank and blade work as double-armed lever, with front part serving as pivot thrust. When shank is moving in reciprocating motions similar to pendulum, with these motions being provided with respective motions of one hand (participation of other hand is not necessary), cut ground is discharged upward and thrown forward or aside, with user's joints and limb muscle system exercising minimum loading. EFFECT: simplified construction, wider operational capabilities and increased efficiency. 1 dwg