| 摘要 |
The apparatus sounds alarm more than twoice in one clock by using different alarm hands. The apparatus comprises more than one alarm hand tube (22) positioned in the coaxial direction of an alarm hand tube (20) inserted in an hour hand tube (15) of a time plate (49); alarm hands (20a,22a) axled in the corresponding hand tubes (22,20); gears (20b,22b) connected with the rear parts of the alarm hand tubes (20,22); adjustment gears (32,32') geared with one side of the gears (20b,22b); alarm sound drive gears (18,24) ; selection gears (17,23); fixed/drive springs (46,45) connected with the gears; knobs (33,33') protruded on the adjustment gears.
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