| 摘要 |
The object (1) has two pairs of horns extended from a middle (4) of a case (2). The horns of each pair are connected by a guiding element (50) that defines a space in connection with the middle. A fixation unit (18) has a locking piece (20) inserted in each end of a strap (14), and a throat (22) located on the middle. The fixation unit permits the ends of the strap to be inserted into the space such that the locking piece elastically cooperates with the throat to simply fix the strap to the case. The locking piece has a support (24) and an elastic element (38) formed as a single piece. The support is made of rigid and light metal or alloy, and the elastic element is made of flexible metal or alloy. |
