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:
Mar. 15, 2022

Filed:

Sep. 05, 2016
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Francois Gaffe, La Turballe, FR;

Philippe Richard, Chelles, FR;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60T 11/18 (2006.01); F16H 25/20 (2006.01);
U.S. Cl.
CPC ...
B60T 11/18 (2013.01); F16H 25/2015 (2013.01);
Abstract

A system includes a helper piston that includes an axial sleeve that is integral with a guide bracket and that has a threaded exterior surface; a translationally fixed but rotational translation nut that has internal threads that complement those of the helper piston and that supports a gear connected to a drive motor; a plunger piston pushed by the helper piston and connected to a control rod; a trigger spring between the helper piston and the stop carried by the control rod for triggering brake assistance; a stop including a stop sleeve and a flange that is applied to the trigger spring, where the body of the control rod has a crimping area for securing the stop by crimping in an adjusted compression position.


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