| 摘要 |
The invention relates to a synchroniser ring ( 1 ) for a synchronisation device ( 2 ) of a shiftable change speed gear transmission including a conical ring member ( 3 ) having an inner friction surface ( 4 ) and an outer installation surface ( 5 ) which each bound the ring member ( 3 ) in a radial peripheral direction and extend conically around an axial synchroniser ring axis ( 6 ) of the synchroniser ring at a predeterminable friction angle (alpha). The ring member ( 3 ) is bounded in the axial direction at a largest conical diameter (d 1 ) by a gear surface ( 7 ) with a gear ( 71 ) extending substantially perpendicular to the synchroniser ring axis ( 6 ) and is bounded at a smallest conical diameter (d 2 ) by a hub surface ( 8 ). To fix the synchroniser ring in a cylindrical hollow space ( 9 ) of a synchroniser ring hub ( 10 ), a security against rotation ( 11 ) is provided which is integrally connected to the ring member ( 3 ) and extends from the gear surface ( 7 ) of the ring body ( 3 ) in the direction toward the hub surface ( 8 ). In accordance with the invention, a guide member ( 12 ) is provided for the guidance of the installation surface ( 5 ) at an inner surface ( 91 ) of the cylindrical hollow space ( 9 ) of the synchroniser ring hub ( 10 ) at the ring member ( 3 ) in a predeterminable region between the gear surface ( 7 ) and the hub surface ( 8 ). The invention furthermore relates to a manual transmission for a vehicle having a synchroniser ring ( 1 ) in accordance with the invention.
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