FLEXIBLE HARROW Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: flexible harrow has telescopic rod 4 and chain coverer 1 mounted on frame 3. Chain coverer 1 is made in form of links with ripping teeth. Rod 4 has two parts 5 and 6 intercoupled by horizontal joint and hydraulic ram 16. Free end of part 6 is made in form of fork with bow-shaped members 9 for engagement with chain coverer 1. Secured on part 6 of rod 4 is bow-shaped bar 10. The latter is displaced from fork members 9. Bar 10 and fork members 9 are pointed to each other by concave sides. When putting the harrow in travelling position, chain coverer 1 is gripped by fork members 9 and, when rod 4 is lifted, chain coverer is suspended from bar 10. EFFECT: reduced time taken for putting the harrow in travelling position and vice versa. 2 cl, 3 dwg