| 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). |
