Cover-opening hook for gain groove cover

• Main Authors: HU HONGHUI, LI GAOLOU, ZHANG XUEZHE, FANG HUAQING, ZHANG JIGUANG, XU GAOCHUN
• Format: Patent
• Language: Chinese; English
• Published: 08.04.2009
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model relates to a cover hook of a trough cover, which comprises a hook clasp (1), a hooked pole (2) and a parallel rail (3), wherein one end of the hooked pole (2) is fixedly connected with a middle part (4) of the parallel rail (3), and the other end of the hooked pole (2) is fixedly c...