| 摘要 |
A latch mechanism for a cellular phone includes a rotatable detent portion attached to the helix of the antenna. A fixed detent member permanently attached to the phone includes a passageway to allow the antenna and rotatable detent to pass therethrough. A biased teeth is mounted between a plurality of guide detents formed on the inner surface within the fixed detent member and the base of the phone. While the teeth ring is allowed to move axially, it is keyed to prevent rotation. Accordingly, the detents formed on the rotatable detent member cause the rotatable detent member to rotate as it passes between the guide detents and as it engages the teeth ring. The forced rotations cause the detents of the rotatable detent portion to become engaged and disengaged with a latching undercut portion formed on a bottom portion of the guide detents.
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