Housing assembly and electronic device thereof

An electronic device comprising:

• a front housing applied to an exterior of the electronic device;
• a rear housing applied to the exterior of the electronic device and assembled with the front housing;
• a plurality of protrusion accommodating recesses formed in an assembling area with respect to the rear housing with a specific interval around an edge of the front housing;
• a hooking protrusion formed in the assembling area with respect to the front housing around an edge of the rear housing to be accommodated in the plurality of protrusion accommodating recesses;
• and
• at least one contact protrusion formed in at least one area of the hooking protrusion,
• wherein when the hooking protrusion is accommodated in the plurality of protrusion accommodating recesses, the at least one contact protrusion is in contact with an inner surface of the plurality of protrusion accommodating recesses.

A housing assembly comprising:

• a first housing;
• a second housing assembled with the first housing;
• a protrusion accommodating recess formed in the first housing;
• a hooking protrusion formed in the second housing to be accommodated in the protrusion accommodating recess;
• and
• at least one contact protrusion formed in at least one inner surface of the hooking protrusion,
• wherein when the hooking protrusion is accommodated in the protrusion accommodating recess, the at least one contact protrusion is in contact with an outer surface of the protrusion accommodating recess.

An electronic device comprising;

• a front housing applied to an exterior of the electronic device;
• a rear housing applied to the exterior of the electronic device and assembled with the front housing;
• a plurality of protrusion accommodating recesses formed in an assembling area with respect to the rear housing with a specific interval around an edge of the front housing;
• a hooking protrusion formed in the assembling area with respect to the front housing around an edge of the rear housing to be accommodated in the plurality of protrusion accommodating recesses;
• and
• at least one contact protrusion formed in at least one inner surface of the hooking protrusion,
• wherein when the hooking protrusion is accommodated in the plurality of protrusion accommodating recesses, the at least one contact protrusion is in contact with an outer surface of the plurality of protrusion accommodating recesses.