发明名称 OPEN-CLOSE DEVICE OF WRISTWATCH CASE
摘要 PURPOSE:To ensure easy replacement of a cell of a watch, by providing a pawl part formed in a body with the band piece that is connected to a watch case and making the pawl part engage a part of the watch case to pry open the watch case. CONSTITUTION:The band 1, case 2 storing a cell and a speaker, analog watch 4 and digital display part 11 are formed into a thin structure as if it were a part of the arm band; and an electrical connection is secured among the above-mentioned parts. Then the pawl 86C which can be connected to the case 2 is provided at a part of the band piece adjacent to the case 2. The pawl 86C is compressed by the pawl spring 87 and locks the lower case 22 at the tip 86B of the pawl. When the locking state is released, the pawl 86C is set to its original position by the spring 87. The joint 92 is shaped roung at its lower part, and the band pieces 81 and 91 function as the lever. Thus the case 22 is pressed down with the spring rod 82 which is used as a fulcrum via the tip 86B to separate the case 22 from the upper case 21. In such constitution, the cell 45 is easily replaced.
申请公布号 JPS56150377(A) 申请公布日期 1981.11.20
申请号 JP19800054708 申请日期 1980.04.24
申请人 CITIZEN WATCH CO LTD 发明人 NAKAGIRI TADAHIKO
分类号 A44C5/14;G04D1/10 主分类号 A44C5/14
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