Invention Grant
US09200665B2 Connecting device provided with a guard for covering the end of a threaded stem 有权
连接装置设有防护罩,用于覆盖螺纹杆的端部

Connecting device provided with a guard for covering the end of a threaded stem
Abstract:
A connecting device has a nut and a guard adapted to cover the end of a threaded stem which, in use, protrudes from the nut; the guard forms part of a plate, which is obtained in one piece and has a base which carries the nut.
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