Patent ID: 6186301
Filing Date: 2001-02-13
Classification: F16D

Abstract:
A synchronizing device for manual transmissions, comprising:a synchronizer element including a hub secured in fixed rotative engagement on a gearshaft and defining a longitudinal axis, and a guide member connected in fixed rotative engagement with the hub and having a splined outer circumference formed with a pocket;an internally splined shift sleeve so meshing with the splined outer circumference of the guide member as to establish a fixed rotative engagement therebetween and to permit a movement of the shift sleeve along the longitudinal axis for cooperation with axially spaced pinion gears; anda load-applying means, received in the pocket of the guide member, for cooperating with at least one of said shift sleeve and a synchronizer ring, said load-applying means being a spring-loaded locking member which is held captive and guided in the pocket,said synchronizer element being made of two separate parts which are made separately through a non-cutting forming process and joined together at a partition plane of the synchronizer element, thereby forming the pocket for the loading means.