| 摘要 |
<p>PURPOSE: A portable phone terminal is provided to fix a cover to a box body, firmly and certainly. CONSTITUTION: A box body comprises a battery cover(8) which is detachable by rotating a locking member. The battery cover comprises a circular hole(81) and a locking piece(84). The locking member is penetrated through the circular hole. The locking piece is positioned around the circular hole. A locking lug comprises in the locking member is freely detachable by the rotation of the locking member. Upper ends of the locking member and hole is circular.</p> |
