Cordless electrical connection with simple key

Details Cordless electrical connection with simple key Cordless electrical connection with simple key

2008-05-15

2011-10-18

Patel, Tulsidas C (Department: 2839)

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

C439S139000

Reexamination Certificate

active

08038478

ABSTRACT:
A mechanical and earthed safety contact intended for both small and large withdrawals of power and may for instance be used for connecting a vehicle to the electrical power net includes a telescopic part with a key and a docking unit, which when in mechanical contact interacts with each other for transmission of electric current. The docking unit includes multiple spring pins, of which one is pushed in when the key reaches the front of the docking unit. Transmission of current between the docking unit and the key can take place only when this pin is pushed in far enough. Contact surfaces on the key are used for exchange of information in interaction with contact surfaces of canals containing the spring pins. The key may have a seal that tightens against such a canal to protect the transmission of energy and signal.

REFERENCES:
patent: 4142770 (1979-03-01), Butler et al.
patent: 5272431 (1993-12-01), Nee
patent: 5584712 (1996-12-01), Fukushima
patent: 5646500 (1997-07-01), Wilson
patent: 5971810 (1999-10-01), Taylor
patent: 2007/0141877 (2007-06-01), Lee et al.
patent: 2 828 589 (2003-02-01), None
patent: 0502113-4 (2007-03-01), None
patent: WO 2007/035165 (2007-03-01), None
International Search Report, dated Sep. 18, 2008, from corresponding PCT application.

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