| 摘要 |
The installation comprises a pit 2 for access to the underneath of a vehicle C and running tracks at the respective opposite edges of the pit, the running track includes an upright guardrail 3 which slides between first (operational) and second (clearing) positions wherein the first position is closer to the pit than the second. The guardrail may be located within a guide 4 for aiding in the translation of the guard rail. The guide may comprise at least one guiding rail 30 that may be fixed in a groove which holds a slide fixed to the guard rail. The slide may comprise a number of rollers or rolling elements which rest on the ground S. There may be a second guardrail, and when both guard rails are in the first position a barrier 5 is placed to block the passage between the guard rails.
|
