| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a flip-up spectacles where flip-up front parts are attached via joints arranged at a center front of a front frame. <P>SOLUTION: The flip-up front parts 3 include a right front part 8 attached to a right joint piece 10 and a left front part 9 attached to a left joint piece 11. The right and left joint pieces 10 and 11 are mutually connected via a screw shaft 7 to which a coil spring 15 is attached. Thus, the right and left joint pieces 10 and 11 are abutted onto a front face 18 of a brace bar 1 in a state where the flip-up front parts 3 are lowered by energized spring force and are abutted onto an upper face 19 of the brace bar 1 in a flip-up state. The upper face 19 is formed to have a shape to allow the flip-up front parts 3 flipped-up to substantially horizontal positions to be positioned upper than the brace bar 1. <P>COPYRIGHT: (C)2012,JPO&INPIT |
