SUPPORT STRUCTURE FOR MANHOLE COVERS

SUPPORT STRUCTURE FOR MANHOLE COVERS

An adjustable leveling apparatus for manhole covers, grates and the like within ground and similar structures, employing an annular extension ring received within an annular base ring having an internal ring seat, the extension ring being provided with inwardly disposed rigid bar members deformable...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: FRANCIS LEBARON
Format: Patent
Sprache:eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:An adjustable leveling apparatus for manhole covers, grates and the like within ground and similar structures, employing an annular extension ring received within an annular base ring having an internal ring seat, the extension ring being provided with inwardly disposed rigid bar members deformable over the ring seat to securely lock the extension ring within the base ring.