| 摘要 |
FIELD: agriculture. ^ SUBSTANCE: group of invention relates to agricultural machinery and can be used in cutting devices of sweepers. Knife sheet of mower blade is improved at least at one boundary area going in the longitudinal direction and is unimproved in the middle part. Knife sheet has notches for fastening segments of mower blade. Knife sheet is improved before making cut-outs or after their manufacture, at least at one boundary area going in the longitudinal direction. ^ EFFECT: use of group of inventions provides increased strength of the material of knife sheet and reduces risk of its fracture. ^ 11 cl, 1 dwg |
