| 摘要 |
PURPOSE:To secure safety and facilitate the installation of an outside device by forming a connection hole by closing the flexible part on an outside case part where a driving side jointing member is positioned. CONSTITUTION:When an outside device 11 is installed onto the upper surface of the outer case 12 of the device body 10, rigid projection part 18a and 22a are fitted into a connection hole 16 and installation hole 17, respectively. At this time, the flexible parts 12a and 12a are pushing-opened by the rigid projec tion part 18a on the right side, and the flexible parts are pushing-opened similar ly by the rigid projection part 22a on the left side. A driving side connecting gear 13 and a driven side connecting gear 19 are meshed and joined through the connection hole 16, and the driving power on the device body 10 side can be transmitted to the outside device 11 side.
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