| 摘要 |
Lifting or pressing device includes means for transmitting thrust, and a compressive force-transmitting push rod shiftable by said thrust transmitting means, the push rod being formed of individual elements form-lockingly clampable one to another, the individual elements being fittable with a pressure-proof, bending-proof and buckling-proof fit into one another in direction of thrust by the thrust transmitting means, and being releasable in a direction opposite the direction of thrust and being divertable out of the direction of thrust. |
