The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 16, 2011

Filed:

Dec. 15, 2004
Applicants:

Peter Drott, Frankfurt, DE;

Harald König, Ober-Mölen, DE;

Udo Jungmann, Mörfelden, DE;

Andreas Bischoff, Bad Vilbel, DE;

Jörg Loke, Brechen, DE;

Mathias Küster, Gifhorn, DE;

Inventors:

Peter Drott, Frankfurt, DE;

Harald König, Ober-Mölen, DE;

Udo Jungmann, Mörfelden, DE;

Andreas Bischoff, Bad Vilbel, DE;

Jörg Loke, Brechen, DE;

Mathias Küster, Gifhorn, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 8/38 (2006.01); B60T 11/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A master cylinder, especially for a controlled brake system, includes at least one pistondisplaceable in a housing, which is sealed in relation to a pressure chamberby means of a sealing elementarranged in an annular grooveof the housing, said pressure chamber being connectable to an unpressurized supply chamberby means of transverse boresprovided in the piston Several recessesare arranged on an inside surfaceof the pistoninto which the transverse boresopen.


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