Master cylinder and master cylinder device (US Patent 9863447)

Patent number: 9863447 Kind code: B2 Granted: 2018-01-09 Filed: 2012-11-07 Inventors: Hiroshi Isono (Mishima, JP) Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA (Toyota, JP) CPC: B60T 11/16; B60T 11/18; B60T 11/224; B60T 13/143; B60T 13/48; B60T 13/662; B60T 13/686; B60T 13/745; B60T 7/042; B60T 8/4077

Abstract

An input piston connected to a brake pedal and an output piston which is moved forward to increase a hydraulic pressure in a pressure chamber are fitted to each other telescopically, and an engaging spring is provided