发明授权
US5713446A Low inertia ball ramp actuator 失效
低惯性球坡道执行器

Low inertia ball ramp actuator
摘要:
A ball ramp actuator having first and second actuation plates with a control plate disposed therebetween where a plurality of circumferential variable depth grooves are formed in a first face of the first actuation plate and in first and second faces of the control plate where the grooves formed in the first face of the control plate are directly opposed to the grooves formed in the second face of the control plate where the actuation grooves and the control grooves form opposed pairs of grooves having a rolling member disposed within each pair of grooves for axially separating the first and second actuation plates from the control plate as the rolling members traverse their respective grooves such that the rolling members contacting the first face of the control plate directly oppose the rolling elements contacting the second face of the control plate to provide a balanced axial force on the control plate.
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