A GROUND SURFACE ACCESS ASSEMBLY FRAME AND METHOD OF INSTALLATION OR REPLACEMENT THEREOF

A GROUND SURFACE ACCESS ASSEMBLY FRAME AND METHOD OF INSTALLATION OR REPLACEMENT THEREOF

A ground surface access assembly frame (10, 110) surrounding and defining an aperture; said frame comprising sidewalls (12, 112) that extend downwardly to connect to an outwardly extending flange portion (14, 114) and further comprising a key-engaging member (16, 116) that extends upwardly from said...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Turner, Barry, Evans, Samantha Sarah Elizabeth, Ratcliffe, Liam Mark, Turner, Simon, Gibson, Simon John
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HAULING
HOISTING
HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD
HYDRAULIC ENGINEERING
LIFTING
PERFORMING OPERATIONS
SOIL SHIFTING
TRANSPORTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:A ground surface access assembly frame (10, 110) surrounding and defining an aperture; said frame comprising sidewalls (12, 112) that extend downwardly to connect to an outwardly extending flange portion (14, 114) and further comprising a key-engaging member (16, 116) that extends upwardly from said support flange portion and comprises a pair of spaced-apart slots/recesses (18, 118) that allow engagement of a lifting key (K) by firstly sideways movement and then secondly upward movement of said key (K).