US 7,577,468 B2
Exchangeable covers for radio communication terminals
Stjepan Begic, Malmö (Sweden); and Stig Frohlund, Hässleholm (Sweden)
Assigned to Sony Ericsson Mobile Communications AB, Lund (Sweden)
Appl. No. 10/554,961
PCT Filed Apr. 05, 2004, PCT No. PCT/EP2004/050444
§ 371(c)(1), (2), (4) Date Oct. 28, 2005,
PCT Pub. No. WO2004/098160, PCT Pub. Date Nov. 11, 2004.
Claims priority of provisional application 60/468431, filed on May 07, 2003.
Claims priority of application No. 03445049 (EP), filed on Apr. 29, 2003.
Prior Publication US 2007/0093140 A1, Apr. 26, 2007
Int. Cl. H04M 1/00 (2006.01); H04M 9/00 (2006.01)
U.S. Cl. 455—575.8  [455/575.1; 379/440; 379/433.11; 379/437] 21 Claims
OG exemplary drawing
 
1. A radio communication terminal, comprising:
a flat terminal core with a frame unit having first and a second opposing faces;
a first and a second opposing shorter sides and first and a second opposing longer sides;
the terminal further comprising first, second and third cover members which are detachably connectable to the frame unit, wherein:
the first, second and third cover members are configured to be assembled and disassembled in a predetermined order, wherein:
the first cover member is configured to latch onto the frame unit and cover a first portion of the first face;
the second cover member is configured to engage with the first cover member and cover the second face at an engagement location; and
the third cover member is configured to attach to the frame unit and to further engage with and lock the second cover member to the frame unit, wherein the terminal core is fully operable without the first, second and third cover members, wherein the second cover member includes a protruding member configured to cooperate with a recess in the frame unit and to be received in the recess when the second cover member pivots around the engagement location of the second cover member with the first cover member.