Title:
FLEXIBLE ROTATING CHAIN-HARROW
Document Type and Number:
WIPO Patent Application WO/1993/000790
Kind Code:
A1
Abstract:
A flexible rotating chain-harrow comprises a frame (1) to which is rotatably connected a flexible chain unit (3) each link of which carries two main teeth (5, 6) and two additional teeth (7, 8). Each of the additional teeth (7, 8) is oriented perpendicularly to at least one of the main teeth (5, 6) the working parts of which are oriented in opposite directions. Each end of the flexible chain unit (3) is hingedly connected to the frame (1) by means of a means (9) for controlling its rotation speed.
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Inventors:
BEZDOLNY NIKOLAI IVANOVICH (SU)
Application Number:
PCT/SU1991/000136
Publication Date:
January 21, 1993
Filing Date:
July 03, 1991
Export Citation:
Assignee:
AKTSIONERNOE OBSCHESTVO SISTEM (SU)
International Classes:
A01B19/02; A01B21/02; A01B23/02; A01B23/04; (IPC1-7): A01B19/02
Foreign References:
| SU982551A2 | 1982-12-23 | |||
| SU129407A1 | 1960-11-30 | |||
| SU823A1 | 1924-09-15 | |||
| SU35463A1 | 1934-03-31 | |||
| GB1374473A | 1974-11-20 | |||
| DE287418C | ||||
| AU7311487A | 1987-11-19 |
Other References:
KARPENKO A.N., KHALANSKY V.M., Selskokhozyaistvennye Mashiny, 1983, Kolos, (Moscow), "Mashiny i Orudia Dlya Poverkhnostnoi Obrabotki Pochvy", pages 63-66.
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