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.
Patent No.:
Date of Patent:
Jul. 17, 1979
Filed:
Dec. 16, 1977
Yasuo Karasudani, Yokohama, JP;
Tokico Ltd., Kanagawa, JP;
Abstract
A disc brake includes a caliper defining a cylinder body therein, a first piston slidably and sealingly received in the cylinder body, an inner cylinder disposed within the first piston and a second piston slidably and sealingly received in the inner cylinder. The outer periphery of the first piston is in slidable and sealable contact with the inner periphery of the cylinder body and the outer periphery of the inner cylinder is in contact with the inner periphery of the first piston for slidable and sealable movement with the latter and defines a first hydraulic chamber. The outer periphery of the second piston is in slidable and sealable contact with the inner periphery of the inner cylinder and together with the inner cylinder, defines a second hydraulic chamber.