US 11,697,960 B2
Parallel operation of door operators
Sven-Gunnar Soderqvist, Vallakra (SE)
Assigned to Assa Abloy Entrance Systems AB, Landskrona (SE)
Appl. No. 17/259,880
Filed by Assa Abloy Entrance Systems AB, Landskrona (SE)
PCT Filed Aug. 8, 2019, PCT No. PCT/EP2019/071280
§ 371(c)(1), (2) Date Jan. 12, 2021,
PCT Pub. No. WO2020/030724, PCT Pub. Date Feb. 13, 2020.
Claims priority of application No. 1830236-4 (SE), filed on Aug. 9, 2018.
Prior Publication US 2021/0222477 A1, Jul. 22, 2021
Int. Cl. E05F 15/00 (2015.01); E05F 15/63 (2015.01)
CPC E05F 15/63 (2015.01) [E05F 2015/631 (2015.01); E05Y 2201/434 (2013.01); E05Y 2201/624 (2013.01); E05Y 2400/36 (2013.01); E05Y 2400/40 (2013.01); E05Y 2900/132 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A swing door operator system comprising at least a first swing door operator, a second swing door operator, and at least one door leaf comprising a first major surface and a second major surface away from and opposite to the first major surface, the at least one door leaf hinged connected at an opening in a wall, wherein
the first swing door operator is connected to the first major surface of the at least one door leaf,
the second swing door operator is connected to the second major surface of the at least one door leaf,
and
the first swing door operator and the second swing door operator are configured to interact to move the at least one door leaf between an open and closed position.