| 摘要 |
A ball ramp actuator for friction clutch packs and the like includes a first circular member having a first plurality of gear teeth and a second circular member disposed adjacent the first circular member and having a second plurality of gear teeth distinct in number from the first plurality of gear teeth. On adjacent opposed faces of the circular members are oblique cams or ramped devices such as opposed recesses and load transferring members which drive the circular members apart upon relative rotation therebetween. Such relative rotation is achieved by a motor driving the rotatable members through a pinion. A friction clutch assembly, disposed adjacent the rotatable members transfers drive energy from an input to an output when the rotatable member differentially rotate and separate, causing compression of the friction clutch assembly.
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