US 11,725,445 B2
Backplate for a door actuator
Alexander Hellwig, Ennepetal (DE); Thomas Salutzki, Ennepetal (DE); and Sabine Wiemann, Ennepetal (DE)
Assigned to DORMAKABA DEUTSCHLAND GMBH, Ennepetal (DE)
Filed by dormakaba Deutschland GmbH, Ennepetal (DE)
Filed on May 14, 2021, as Appl. No. 17/320,642.
Claims priority of application No. 20180010 (EP), filed on Jun. 15, 2020.
Prior Publication US 2021/0388657 A1, Dec. 16, 2021
Int. Cl. E05F 3/22 (2006.01); E05F 3/06 (2006.01)
CPC E05F 3/227 (2013.01) [E05F 3/06 (2013.01); E05Y 2900/132 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A backplate for a door actuator, comprising
a first mounting element and a second mounting element, wherein one of the two mounting elements is formed for fastening to a mounting surface, and the other mounting element for accommodating the door actuator,
at least one connecting assembly with a bar element disposed mobile at the first mounting element and a thermally activatable trigger element,
wherein the bar element is movable from a retaining position to a release position, wherein, in the retaining position, the bar element retains the second mounting element, and in the release position, releases the second mounting element, and
wherein, upon thermal activation, the trigger element releases a movement of the bar element to the release position and/or, upon thermal activation, the trigger element moves the bar element to the release position.