Patent ID: 8072747

Claim:
A portable apparatus comprising: an electronic device defining a locking slot; and a fastening device detachably attached to the electronic device, the fastening device comprising: a cover defining a through hole corresponding to the locking slot; a hook disposed on the cover and capable of inserting into the locking slot of the electronic device; an actuating member pivotally attached in the cover, the actuating member rotatable in a rotating surface and capable of being locked in a first position and a second position; and a locking member fixed in the cover, and engageable with the actuating member, the locking member comprising a locking portion movable along a first direction to withdraw from the locking slot and the first through hole, and a second direction which is reverse to the first direction to pass through the through hole and insert into the locking slot; wherein the locking portion is pushed to move along the first direction to detach from the locking slot when the actuating member rotates from the first position to the second position, and the locking portion moves along the second direction to insert into the locking slot when the actuating member rotates from the second position to the first position.