Structure to prevent scraping damage to foldable portable...

Details Structure to prevent scraping damage to foldable portable... Structure to prevent scraping damage to foldable portable...

2004-03-05

2009-12-29

Eng, George (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575100, C379S433130

Reexamination Certificate

active

07640043

ABSTRACT:
An upper unit and lower unit are connected by two hinge portions that allow them to move between open and closed positions and to turn around each other. Undercuts are formed on an edge of the upper or lower unit and extensions are formed on the lower or upper unit not provided with undercuts, to mate with the undercuts of the other unit. For the upper unit to turn around the lower unit, the upper unit must first be raised so as not to touch the extensions. Therefore, the present invention prevents scraping damage of surfaces of the upper and lower units.

REFERENCES:
patent: 5335142 (1994-08-01), Anderson
patent: 5485517 (1996-01-01), Gray
patent: 6845005 (2005-01-01), Shimano et al.
patent: 6999802 (2006-02-01), Kim
patent: 11-275191 (1999-10-01), None
patent: 2002-135380 (2002-05-01), None
patent: 2002-155923 (2002-05-01), None
patent: 2002135380 (2002-05-01), None
patent: 2002-171189 (2002-06-01), None
patent: WO 01/15331 (2001-03-01), None

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