| 摘要 |
<p>The disclosed mechanism can be mounted in a watch and comprises a charge wheel (1) which rotates at a rate of one turn per day and has a first excentric stud; a rotary calendar crown (5) having 31 teeth (9) at its internal edge (8) and provided with projections (12); a memory wheel (13, 13a) having an edge provided with four indentations (14) with fixed amplitude and one indentation (15) with variable amplitude; a hammer (27, 27a) for the calendar jump capable of receiving the action of the first stud (2) and with a second stud capable of engaging the edge of the memory wheel (13, 13a) and with a ratchet (34) in contact with the teeth (9); and transmission means for rotating the memory wheel (13, 13a) from the rotation of the calendar crown (5).</p> |
