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1. 发明授权

US5335274A Extendable telephone 失效
标题翻译：可扩展电话
公开(公告)号：US5335274A
公开(公告)日：1994-08-02
申请号：US843460
申请日：1992-02-28
申请人： Hitoshi Masuda , Masataka Suzuki , Masataka Ohno , Kazuyoshi Kobayashi , Hiromitsu Nakamura
发明人： Hitoshi Masuda , Masataka Suzuki , Masataka Ohno , Kazuyoshi Kobayashi , Hiromitsu Nakamura
IPC分类号： H04M1/02 , H04M1/03 , H04M1/00
CPC分类号： H04M1/0237 , H04M1/0202 , H04M1/03
摘要： An improved extendible telephone having a main casing incorporating a receiver and an auxiliary casing incorporating a transmitter and dial keys and slidably mounted on the main casing. Guide grooves are formed in each of the slide surface of the main casing and a back plate which is fastened to the auxiliary casing. Rail members are fitted in the slide surface of the main casing. The auxiliary casing is slidable along the rail members toward and away from an extended position while being guided by the guide grooves. The rail members each has an angled lug while the back plate is formed with two spaced pairs of angled recesses. When the auxiliary casing is slid to the extended position or a contracted position, the angled lugs selectively mate with either of the two pairs of angled recesses to lock the auxiliary casing in position.
摘要翻译：一种改进的可延伸电话，其具有包括接收器的主壳体和包括发射器和拨号键并可滑动地安装在主壳体上的辅助壳体。引导槽形成在主壳体的每个滑动表面和紧固到辅助壳体上的后板。导轨构件安装在主壳体的滑动面上。辅助壳体可以沿着轨道构件朝向和远离延伸位置滑动，同时被引导槽引导。轨道构件每个都具有倾斜的凸耳，而后板形成有两个间隔开的一对成角度的凹部。当辅助壳体滑动到延伸位置或收缩位置时，倾斜的凸耳选择性地与两对成角度的凹槽中的任一个配合，以将辅助壳体锁定就位。

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