发明名称 Coil spring structure of shutter button camera device and button structure of electronic device
摘要 In a camera device 1a with a shutter button 2 for transmitting an externally-applied pressing force to a switch 7, a boss 24 has a first end attached to the shutter button 2, and a second end opposed to the switch 7, a coil spring 6a has a first winding portion 61a and a second winding portion 62a, which are respectively wound into first and second shapes about a common central axis As, the second shape includes the first winding portion 61a, and the second end of the boss 24 is inserted into the first winding portion 61a.
申请公布号 US7929859(B2) 申请公布日期 2011.04.19
申请号 US20070952928 申请日期 2007.12.07
申请人 PANASONIC CORPORATION 发明人 SAIKI JUN
分类号 G03B17/00 主分类号 G03B17/00
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