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:
Dec. 12, 2017
Filed:
Mar. 27, 2014
Nabtesco Corporation, Tokyo, JP;
Yoshio Asano, Hyogo, JP;
Hideyuki Oie, Kobe, JP;
Nabtesco Corporation, Tokyo, JP;
Abstract
A brake cylinder device having a parking spring brake mechanism, provided with a clutch mechanism configured so as to transmit or block urging force of a piston to or from a brake force transmitting unit; a latch member for restricting displacement of the brake force transmitting unit relative to the piston by engaging with the clutch mechanism, and allowing displacement of the brake force transmitting unit relative to the piston by disengaging from the clutch mechanism; a latch lock member for engaging at an inclined part with a protruding part of the latch member; and a rotation-preventing part for preventing the latch lock member from rotating.