Automatic erection type earth bomb |
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| 申请号 | JP13577788 | 申请日 | 1988-06-03 | 公开(公告)号 | JPS6428499A | 公开(公告)日 | 1989-01-31 |
| 申请人 | Dynamit Nobel Ag; | 发明人 | KURISUTOFU MATAI; | ||||
| 摘要 | PURPOSE: To prevent toppling without requiring a significant cost additionally by providing a locking unit for preventing an erecting element from folding up in unfolded state. CONSTITUTION: A mine body 10 is provided, on the side thereof, with four erecting element 12 distributed uniformly in the circumferential direction. Each erecting element 12 comprises two parallel springs with legs wherein one leg 13 is biased in the unfolding direction and the other leg is secured to the casing of the mine body 10. The leg 13 can be turned about a shaft 14 geometrically. The shaft 14 is arranged closely to the bottom of the mine body 10 and the erecting element 12 is initially brought into contact with the mine body 10 in the axial direction. The erecting element 12 is held by a locking unit. The locking unit for holding the erecting element 12 in unfolded state comprises two springs 15 with leg. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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