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:
Mar. 14, 1989
Filed:
Mar. 27, 1987
Applicant:
Inventors:
Yasuhisa Hata, Akashi, JP;
Osamu Akamatsu, Kobe, JP;
Assignee:
Nippon Air Brake Co., Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01B / ;
U.S. Cl.
CPC ...
92 29 ; 9213 / ; 74128 ;
Abstract
A spring brake assembly having a body portion in which a piston is mounted for reciprocal movement. A piston guide means engages a stem portion of the piston and an end of the body portion. A brake spring is caged between an inner surface of a face portion of the piston and an end of the body portion. Engageable at one end thereof with the stem portion of the piston is a pushrod which also extends coaxially out of the end of the body portion. A clutch including control and operating devices is provided.
Hata, Yasuhisa. (1989). Spring brake cylinder (U.S. Patent No. 4811651). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4811651
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile