| 摘要 |
<p>Door chime assembly includes a chime base (2) having a rear plate (3) and at least one resonance chamber (5) secured to said rear plate, a tone bar (9) within the chamber and a striking means (6,7) mounted on the plate for striking the tone bar. The chime base is molded in a single piece and employs at least one living hinge (17,20) which permits folding of parts of the assembly to form the resonance chamber. The tone bar is mounted on dowels (25) in the chamber of a length which prevents the tone bar from falling off the dowels during transit. <IMAGE></p> |
