Coupled shells for vacuum power servo booster
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United States of America
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Jun 11, 1985
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N/A
app pub date -
Oct 27, 1983
filing date -
Dec 1, 1978
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Abstract
A vacuum power servo booster including a disc-shaped inner shell and a cup-shaped outer shell with a diaphragm secured between the two shells. A radially opening annular groove is formed in peripheral portions of the inner shell by a first annularly bent portion bulging radially inwardly and a second annularly bent portion oriented along the axial direction of the booster. The outer shell includes rectangular recesses into which extend inwardly at the open faces.
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