Electrical connectors – Coupling part with actuating means urging contact to move... – Expandable contact or spreadable contacts
Patent
1997-04-14
1999-01-19
Paumen, Gary
Electrical connectors
Coupling part with actuating means urging contact to move...
Expandable contact or spreadable contacts
439669, 439165, 439534, H01R 1315
Patent
active
058608249
ABSTRACT:
An extension device adapted to be mounted in the automobile cigarette lighter holder, includes an adaptor sized and configured to be fit into the automobile cigarette lighter holder, an end holder for holding a mobile phone, a power outlet section arranged between the adaptor and the end holder and connected thereto by means of a first and a second connectors both of which are capable to rotate about two orthogonal axes to allow the adjustment of spatial location of the mobile phone. The adaptor has a central bore inside which a plug, serving as the negative contact, is received and spring biased to be contact engageable with the negative contact of the cigarette lighter holder. The adaptor also has a plurality of flutes formed on a side surface, inside each of which a resilient strip is received to serve as a positive contact. The strip has a U-shaped end. An adjusting ring is movably engaged on the adaptor, having a wedging face in camming engagement with the U-shaped end of the resilient strip so that by moving the adjusting ring, the camming action between the wedging face and the resilient strip forces the strip to expand outward and is thus secured inside the cigarette lighter holder. A speaker may be provided inside the power outlet section and in signal connection with the mobile phone.
REFERENCES:
patent: 4109988 (1978-08-01), Olson
patent: 5704812 (1998-01-01), Moji
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