Title:
FIREPROOF FIXTURE FOR FIXING DOOR ACTUATOR
Document Type and Number:
Japanese Patent JP2022020556
Kind Code:
A
Abstract:
To allow, in the event of a fire, a door actuator to be fixed with operational reliability remained unchanged and concurrently safety requirements to secure.SOLUTION: The present invention relates to a fireproof fixture for fixing a door actuator, including: a frame which is oriented toward a mounting surface, in particular a door, casing or wall, has a rear surface, has a mounting axis defined perpendicular to the rear surface, and is formed to be positioned between the door actuator and the mounting surface, and otherwise is an integral component of the door actuator; at least one reaction chamber which is formed in the frame, is sectioned on the whole circumference by the frame, and opens at the rear surface and/or a front surface of the frame on the opposite side of the rear surface; and a drive element made of a thermally expandable material, which is disposed within the reaction chamber, and is formed to push the door actuator away from the mounting surface when activated.SELECTED DRAWING: Figure 1
Inventors:
ALEXANDER HELLWIG
THOMAS SALUTZKI
SABINE WIEMANN
VOLKER BIENEK
THOMAS SALUTZKI
SABINE WIEMANN
VOLKER BIENEK
Application Number:
JP2021097783A
Publication Date:
February 01, 2022
Filing Date:
June 11, 2021
Export Citation:
Assignee:
DORMAKABA DEUTSCHLAND GMBH
International Classes:
E05F3/00; E06B5/16
Attorney, Agent or Firm:
Longhua International Patent Service Corporation