Telephonic communications – Terminal – Housing or housing component
Patent
1997-12-09
1999-07-20
Chiang, Jack
Telephonic communications
Terminal
Housing or housing component
379434, H04M 100
Patent
active
059265450
ABSTRACT:
A battery holder adapted for attaching to a mobile telephone to provide it with battery power supply, the battery holder including a holder base holding a set of battery cells, a swivel hook member turned about an axis in an opening at one end of the holder base, the swivel hook member having a hooked portion adapted for hooking on a retaining hole on the mobile telephone to secure the battery holder and the mobile telephone together, a top cover covered on the holder base, and a spring element mounted between the top cover and the swivel hook member and adapted to force the hooked portion of the swivel hook member into engagement with the retaining hole on the mobile telephone.
REFERENCES:
patent: 4912602 (1990-03-01), Zurek et al.
patent: 5337215 (1994-08-01), Sunderland et al.
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