Plastic primary piston with insert for a tandem penetration-type master cylinder and a master cylinder equipped with such a piston

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United States of America Patent

PATENT NO 9581241
APP PUB NO 20140150645A1
SERIAL NO

13996670

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Abstract

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A primary piston of molded plastic material equipped with a metallic insert and having grooves, mounted in a master cylinder comprising at least a primary piston and a secondary piston mounted in the bore hole of the master cylinder. These pistons can create pressure, respectively, in a primary pressure chamber and in a secondary pressure chamber due to the action of a push rod on the primary piston.

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Patent Owner(s)

Patent OwnerAddress
ROBERT BOSCH GMBH70442 STUTTGART

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bernadat, Olivier Le Perreux, FR 15 73
Grech, Daniel Lamorlaye, FR 10 20
Lhuillier, Laurent Le Blanc Mesnil, FR 24 72
Rodriguez, Marc Beverley Hills, US 24 28

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