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. 23, 2021
Filed:
Mar. 11, 2015
Belimo Holding Ag, Hinwil, CH;
BELIMO HOLDING AG, Hinwil, CH;
Abstract
The present invention relates to a blocking device () for a damper drive, wherein the blocking device () can be transferred by activation from an inoperative state into an alternative activated state. The blocking device () comprises a movably mounted blocking element () which, in a blocking position, blocks an output member () in a safety position. The blocking device () further comprises a drive element () which, when the blocking device () is activated, moves the blocking element () into the blocking position. The blocking device further comprises an activating element () which, when a blocking temperature has been exceeded, activates the blocking device () by an irreversible change in shape. Also disclosed are a damper drive with a blocking device, a fire protection device and a method for operating a fire protection device.