SHOE PROTECTIVE DEVICE Russian patent published in 2000 - IPC

FIELD: shoe industry. SUBSTANCE: shoe protective device is adapted for attachment under sole of shoe and is designed for overcoming ground draft, when user operates with tillage tool. Device has front part of increased strength, supporting plate and rack platform with perforated scale. Fastening bracket ends are passed through scale perforations for regulating and fixing shoe in predetermined position relative to working surfaces of front part. In the process of displacement of ground by means of manual tool, for instance digger, shank and blade of digger serve double-armed lever, with front part making pivot thrust. When shank is reciprocating in the way similar to that of pendulum, and such motions are performed with one hand (participation of other hand is not necessary), cut ground is discharged upward and thrown forward or aside at minimum loading on user's joint and locomotorium muscular system. EFFECT: simplified construction, wider operational capabilities and increased efficiency. 1 dwg