发明名称 FOREST CROP PLANTING SWORD
摘要 FIELD: forestry, in particular, intensive forest restoration performed by means of manual tools for planting large forest crop seedlings. SUBSTANCE: sword blade has radial cross section and maximum width ratio of 0.8-1.3. Lower end of sword blade is made trapezium-shaped, with small and large end ratio being equal to 1/5-1/9. Ratio of small end and height of trapezium is equal to or less than 1/5. End of sword blade is offset relative to axis of shank. Planting sword of such construction allows force of penetration of sword blade into ground to be reduced. EFFECT: simplified construction and increased efficiency. 4 dwg
申请公布号 RU2145780(C1) 申请公布日期 2000.02.27
申请号 RU19980100662 申请日期 1998.01.12
申请人 VSEROSSIJSKIJ NAUCHNO-ISSLEDOVATEL'SKIJ INSTITUT L 发明人 KAZAKOV V.I.;GALANOV V.N.;BEL'CHATOV G.F.;ALJAB'EV A.F.;SUVOROV V.I.;DEGTEV V.T.
分类号 A01C5/02;A01B1/00;A01G23/00 主分类号 A01C5/02
代理机构 代理人
主权项
地址