| 摘要 |
Positioning device (1) between a bridge (2) and a plate (3). Said plate (3) includes: for centring said bridge (2): a female arrangement (4) with faces (5) receiving a cylindrical smooth centring pin (6), fixed to said bridge (2) and abutting on said faces, or a smooth female arrangement (40) receiving a ribbed centring pin (60) with faces (50), for aligning said bridge (2) on said plate (3), an alignment housing (8) with parallel faces (9, 10) aligned on said female arrangement (4; 40), receiving an alignment pin (11), fixed to said bridge (2). The invention concerns a collet (15) arranged to be fixed to a plate and including said smooth female centring arrangement (4; 40). The invention concerns a timepiece including a device (1) or collet (15) of this type. The invention also concerns a method of assembling said bridge (2) on said plate (3) with said device (1). |
