Pneumatically actuable disc brake
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United States of America Patent
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Dec 31, 2013
Grant Date -
Sep 1, 2011
app pub date -
Jan 31, 2011
filing date -
Aug 1, 2008
priority date (Note) -
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Abstract
A pneumatic disc brake includes a caliper which straddles a brake disc, brake pads pressable against the brake disc and a rotary lever actuated brake application device, and a self-energizing mechanism. The brake lever is pivotable about an eccentric axis by a brake cylinder plunger. A self-energizing factor is selected to ensure that the brake automatically releases after braking events. The brake lever is supported on a spherical bearing element mounted to the caliper and forming the eccentric axis. The brake lever bears against a bearing ball which is arranged above the bearing element in the direction of the plunger engagement point, which bearing ball is positioned in a brake ram coupled to the brake pad.
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