At the end of the main beams of the platform, two anchoring pawls allow to fix the platform to the shaft walls.
The two anchoring pawls at rest should be in line with the steel beams.
When the platform is raised the gravity pawls turn inside the space enabling the lifting operations of the platform to the next level. Once the subsequent support concrete recesses are reached the pawls get back to their horizontal position forming the new support level.

Mobile platform for shaft - catalogue

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