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:
Oct. 05, 2004
Filed:
Mar. 06, 2003
Peter Wolfsteiner, Munich, DE;
Josef Staltmeir, Munich, DE;
Thomas Spiess, Munich, DE;
Erich Fuderer, Munich, DE;
Knorr-Bremse Systeme für Schienenfahrzeuge GmbH, Munich, DE;
Abstract
The invention relates to a spring brake cylinder with an emergency release device, comprising the following: a housing in which a spring-loaded piston can be moved axially with a piston rod, at least one spring-loaded spring, wherein the emergency release device comprises an actuation device, an emergency release mechanism to interrupt the power transmission between the spring-loaded piston and the piston rod and a holding device for holding the emergency release device in a transmission condition. The invention further includes a blocking device to prevent the holding device from holding of the emergency release mechanism in a transmission position when the spring-loaded piston only partly released