Patent ID: 7093742

Claim:
A belt clip attachment system for connecting a personal electronic device to a belt clip, the belt clip attachment system comprising: the personal electronic device comprising a housing having a rear face; a battery door on the rear face, wherein said housing has a recess; and a plurality of pegs projecting outward from an interior wall of the recess, wherein a first section of the recess is in the battery door and a second section of the recess is in the rear face such that a first end of a belt clip knob engages at least one peg of the plurality of pegs in the second section of the recess; and the belt clip knob, comprising: the first end for seating within the recess, the first end having at least one track for engaging the plurality of pegs through a push and twist action; a second end having an engagement member to connect the belt clip knob to the belt clip.