| 摘要 |
An eyewear system, includes: at least one pair of lenses; an eyewear frame including a pair of lens frames, the lens frames connected by a bridge, each lens frame releasably holding a corresponding lens of the at least one pair of lenses; a locking element for clamping the bridge of the eyewear frame and preventing the lens frames from releasing the held lenses; the locking element having a "C" shaped cross-section, the locking element including a planar main portion, an upper portion relatively proximate to the nosepiece of the eyewear and a lower portion relatively distant from the nosepiece, the upper and lower portions attached at substantially right angles to the main portion, a descending upper flange attached to the upper portion and a rising lower flange attached to the lower portion, and a tab provided on the rising lower flange, the tab protruding from the plane of the rising lower flange and extending away from the main portion, the tab serving as a grip for manual manipulation of the locking element by the user and serving as a lever when removing the locking element from the eyewear frame by rotating the locking element about the upper portion; at least one side support for holding the eyewear frame to a head of the user; releasable mounting means for mounting the at least one side support to the eyewear frame; and a nosepiece mounted to the frame for spacing the eyewear frame from a face of the user. |
