Annular hydraulic clutch release cylinder device
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United States of America Patent
Stats
-
Jan 2, 1996
Grant Date -
N/A
app pub date -
Apr 15, 1994
filing date -
Sep 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a clutch release cylinder device, comprising an annular cylinder defining an annular recess, an annular piston slidably received in the annular recess; and an annular clutch release bearing assembly including a release bearing, the annular cylinder is constructed by a pair of cylinder members each formed by drawing sheet metal, and provided with a flange and a tubular portion, the tubular portion of one of the cylinder members being larger than that of the tubular portion of the other cylinder member, the annular recess being defined between the tubular portions which are coaxially nested with each other. Because the cylinder members may be made of metallic material, such as steel and other materials of high rigidity and mechanical strength, a sufficient rigidity and mechanical strength can be ensured with a substantially smaller wall thickness as compared to a cylinder formed by a molded plastic member, and substantially more economically as compared with a cylinder formed by machining a metallic block.
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