Patent ID: 8804370
Filing Date: 2014-08-12
Classification: G11B

Abstract:
1. An electronic device comprising: a housing comprising a top plate; a lever disposed on the top plate, the lever comprising a bottom face opposite to the top plate; and a locking device comprising: wherein the lever is sleeved on the nut and confined between the head of the nut and the top plate; and wherein a gap is defined between the bottom face of the head of the nut and the top face of the lever so that the lever is spaced from the bottom face of the head of the nut and freely rotatable about the locking device, the gap between the bottom face of the head of the nut and the top face of the lever being void without being filled, wherein a plurality of washers are sandwiched between the nut and the top plate, the number of the washers being relevant to a thickness of the lever, and wherein the lever defines a hole, the washers being totally received in the hole, the washers being spaced from and not in contact with an inner periphery of the hole.