Patent ID: 8619504

Claim:
A centering and alignment device between a bridge and a plate for horology, comprising: a centering device between said bridge and said plate, said centering device including a centering pin and a centering housing, said bridge carrying said centering pin which is constituted by a smooth centering pin with revolution symmetry about an axis of revolution, and said plate carrying said centering housing which is constituted by a ribbed female centering housing, extending in a linear direction and including female areas of support which are spaced equidistantly of said linear axis, and said ribbed female centering housing arranged to receive said smooth centering pin fixed to said bridge, and abutting on at least three of said female areas of support; and for aligning said bridge relative to said plate: an alignment pin carried by said bridge and including at least two shoulders, which are symmetrical relative to an axis, and an alignment housing in said plate and arranged to receive said alignment pin, said alignment housing in symmetry relative to a median plan, wherein said alignment housing is aligned in an alignment direction relative to a directional axis of said centering housing, said directional axis being respectively constituted by said linear direction of said ribbed female centering housing.