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:
Sep. 23, 1980

Filed:

Mar. 19, 1979
Applicant:
Inventor:

Tomoyuki Nogami, Toyota, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303 / ; 303 / ;
Abstract

An hydraulic brake pressure control device comprises an inertia-controlled valve for interrupting fluid communication between a master cylinder and rear wheel brake cylinders at a deceleration in excess of a predetermined value and a differential piston for gradually increasing the hydraulic pressure trapped within the wheel brake cylinders after the valve is closed. In this type of control device, resilient means is arranged to regulate axial movements of the differential piston in accordance with loaded conditions of the vehicle.


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Nogami, Tomoyuki. (1980). Hydraulic brake pressure control device for vehicle braking systems (U.S. Patent No. 4223956). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4223956

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