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Ground surface access assemblies
A raising frame 10 configured to be mountable to a base frame 102 of a ground surface access assembly 100 and configured to receive a manhole cover 104. The raising frame defines a raising frame opening 12. The raising frame opening is dimensioned to correspond to dimensions of a base frame opening 106 defined by the base frame 102. The raising frame may comprise corner mountings 110 and securing means for attaching the raising frame to a detent in the base frame.
Ground surface access assemblies
A raising frame 10 configured to be mountable to a base frame 102 of a ground surface access assembly 100 and configured to receive a manhole cover 104. The raising frame defines a raising frame opening 12. The raising frame opening is dimensioned to correspond to dimensions of a base frame opening 106 defined by the base frame 102. The raising frame may comprise corner mountings 110 and securing means for attaching the raising frame to a detent in the base frame.
Ground surface access assemblies
SIMON JOHN GIBSON (Autor:in) / DAVID SCOTT WHITE (Autor:in) / BARRY TURNER (Autor:in) / SAMANTHA SARAH ELIZABETH EVANS (Autor:in) / SIMON JOHN TURNER (Autor:in)
04.12.2019
Patent
Elektronische Ressource
Englisch