Self-locking well lid

The utility model discloses a self-locking well lid which comprises a well lid body covering an opening of a well body. A plurality of lock hooks are arranged on the bottom face of the well lid body along the edge, and the opening directions of the lock hooks all point clockwise or anticlockwise. A...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG QIFENG, ZHENG LEQI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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