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. 26, 1980

Filed:

Oct. 11, 1978
Applicant:
Inventor:

Yoshihiro Hayashida, Chigasaki, JP;

Assignee:

Tokico Ltd., Kanagawa, JP;

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

A hydraulic braking pressure control valve for use in a vehicle includes a first inlet and outlet connected to a first pressure circuit, a second inlet connected to a second pressure circuit, a first piston having therethrough a liquid passage which normally connects the first inlet and outlet, a second piston receiving liquid pressure in the second inlet for displacing the first piston against the biassing force of a pressure control spring, and a valve mechanism associated with the first piston for closing the liquid passage when the first piston is displaced by a predetermined distance by the second piston. A plunger is provided with one surface thereof facing the first piston with the pressure control spring interposed therebetween and the other surface thereof receiving liquid pressure from the first pressure circuit, and an inertia valve is provided for cutting off the supply of liquid pressure to the other surface of the plunger at a predetermined deceleration of the vehicle.


Find Patent Forward Citations

Hayashida, Yoshihiro. (1980). Hydraulic braking pressure control valve (U.S. Patent No. 4219243). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4219243

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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