Cable retention mechanism

A cable retention mechanism for locking an external connector with an input/output connector of an electronic device, comprising:

• a retention housing configured to couple to the electronic device, the retention housing having a first surface and a second surface opposite the first surface, the second surface being adjacent to the device housing when the retention mechanism and the electronic device are coupled to one another;
• and
• a retainer disposed at least partially within the retention housing and including:
• a mounting arrangement defining a channel configured to receive a cable of the external connector, the mounting arrangement being biased to apply a first retaining force to the cable;
• and
• a biasing member coupled to the mounting arrangement, the biasing member compressing a portion of the mounting arrangement adjacent to the channel such that a width of the channel decreases as the channel approaches the second surface, the biasing member applying a second retaining force to the mounting arrangement to increase the first retaining force, the biasing member having ends angled towards each other in a converging V-shape to apply an asymmetric force across a length of the mounting arrangement,
• wherein, when a longitudinal tension is applied to the cable, the biasing member increases the second retaining force.