Plastic master cylinder for hydraulic brake system
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United States of America Patent
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-
Dec 9, 2003
Grant Date -
N/A
app pub date -
Apr 10, 2002
filing date -
Apr 10, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A master cylinder having a reservoir and a cylinder formed from a single piece of molded plastic. A sight gauge is molded into a sidewall of the reservoir to permit the level of hydraulic fluid to be checked without removing the reservoir's cap. A vent hole and a replenishing hole permit hydraulic fluid to flow between the reservoir and the cylinder. A baffle is provided to deflect 'geysers' that can occur during brake bleeding when hydraulic fluid is forced up through the replenishing port. In the preferred embodiment, the baffle includes an upright portion that is used to retain a float in alignment with the sight gauge.
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