| 摘要 |
Sensor disc which is to be linked in rotation with a crankshaft of a motor vehicle with electronic ignition and including an external toothed periphery 8, this external toothed periphery including at least one tooth space for indicating the speed of rotation and/or the angular position of the crankshaft by means of at least one associated pulse generator, characterised in that the sensor disc 7 is made in a single piece with a sheet steel pulley 1 obtained by deep drawing, with a hub element 2 common to the disc and to the pulley. <IMAGE>
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