Geometrical instruments
Patent
1985-02-27
1987-04-21
Weidenfeld, Gil
Geometrical instruments
339 91R, 339119R, H01R 1362
Patent
active
046591591
ABSTRACT:
Disclosed is a coupling device for a connectable electric unit such as, for example, a portable video recorder and a main electric unit having a mounting surface on which the connectable electric unit is to be set and incorporating therein, for example, a television tuner. The coupling device includes an extendable and retractable stopper which is provided to either the main or connectable electric unit in the position in which the connectable unit is mounted on the main unit so that the stopper prevents the coupling between the connectors of both units whenever the connectable unit is set in a posture other than its predetermined posture. The coupling device also includes an unlocking button for retracting the stopper only when the connectable unit is mounted on the mounting surface of the main electric unit in its predetermined or specified direction. With this arrangement, the connectors are surely connected together and therefore, can be prevented from being broken or damaged.
REFERENCES:
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patent: 3209301 (1965-09-01), Duffy, Jr.
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patent: 3977749 (1976-08-01), Langenbach
patent: 4040698 (1977-08-01), Ortiz
patent: 4141616 (1979-02-01), Gottlieb
patent: 4288684 (1981-09-01), Katou et al.
Matsushita Electric - Industrial Co., Ltd.
Pirlot David L.
Weidenfeld Gil
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