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:
May. 28, 2019
Filed:
Jun. 09, 2015
Applicant:
Erae Ams Co., Ltd., Daegu, KR;
Inventors:
Assignee:
ERAE AMS CO., LTD., Daegu, KR;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T 11/236 (2006.01); B60T 11/16 (2006.01); B60T 11/20 (2006.01); F16J 15/16 (2006.01); B60T 11/228 (2006.01);
U.S. Cl.
CPC ...
B60T 11/236 (2013.01); B60T 11/16 (2013.01); B60T 11/20 (2013.01); B60T 11/228 (2013.01); F16J 15/16 (2013.01);
Abstract
A master cylinder includes: a cylinder housing; a piston which is movably disposed in the cylinder housing so as to form a pressure chamber and a hydraulic fluid supplying chamber; a sealing member which is interposed between the cylinder housing and the piston. The piston has a plurality of communication holes for connecting the pressure chamber and the hydraulic fluid supplying chamber, and the plurality of communication holes are formed on a slanted surface which is provided to an outer surface of the piston.