| 摘要 |
FIELD: personal use articles. ^ SUBSTANCE: invention refers to production of wristwatch cases, including watchband fastener. Fastener includes medium part, connected with the first end of the watchband, base, connected with the second end of the watchband, extension piece pin-connected with medium part and the base. Pivotal connections between the medium part and the extension piece are set the way they have overlapping of the medium part, the extension piece and the base in the folded position and their allied disposal in unfolded position. Besides the fastener has one or several control element for watchband expansion or shortening in folded position. ^ EFFECT: convenience in using is provided. ^ 28 cl, 7 dwg |
