| 摘要 |
The load displacement device comprises a wheel (1) mounted on a shaft (2). An arm (4) connects the wheel shaft to a system (3), carried by a support (5), which rotates about an axis (B) perpendicular to the wheel shaft axis (A). An assembly (6) connects the system to the load which is to be displaced. Tubes (7) are fixed to the support and a shaft (9) engaged in the tubes defines a pivoting axis (C) for the support relative to the assembly. A tube (10) fixed to the support extends in a direction (D) perpendicular to the shaft. A control sleeve is engaged in this tube (10) to control pivoting of the support to move the wheel from a non-rolling to a rolling position. |
