Safety fastener for e.g. jewelry - has locking member slidable lengthwise between side walls of hollow casing, with notch which registers with casing openings (PT 2.5.78)

摘要

The safety fastener for jewelry, sports articles, leashes etc. has a hollow casing provided with two side walls having registering openings. A locking member is slidable lengthwise between these side walls and has another opening. When all openings are in registry an article to be connected to the fastener can be inserted into the openings. When the locking member is shifted relative to the side walls of the casing, the opening of the locking member moves out of registry with the openings of the side walls and the article is locked.