US 12,110,727 B2
Reversible door system with geared linkages
Brian D. Hass, Monroe, NC (US)
Assigned to ASSA ABLOY Accessories and Door Controls Group, Inc., Monroe, NC (US)
Filed by ASSA ABLOY Accessories and Door Controls Group, Inc., Monroe, NC (US)
Filed on Aug. 30, 2022, as Appl. No. 17/899,216.
Claims priority of provisional application 63/239,692, filed on Sep. 1, 2021.
Prior Publication US 2023/0067945 A1, Mar. 2, 2023
Int. Cl. E05F 15/70 (2015.01); E05F 15/63 (2015.01)
CPC E05F 15/63 (2015.01) [E05Y 2201/422 (2013.01); E05Y 2201/434 (2013.01); E05Y 2201/624 (2013.01); E05Y 2201/712 (2013.01); E05Y 2400/612 (2013.01); E05Y 2600/45 (2013.01); E05Y 2600/46 (2013.01); E05Y 2600/626 (2013.01); E05Y 2800/17 (2013.01); E05Y 2900/132 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A door system comprising:
a door system housing, wherein the door system is operatively coupled to a door, a door frame, or a wall;
a motor located at least partially within the door system housing;
a linkage assembly comprising:
a drive arm having a distal drive end and a proximal drive end, wherein the proximal drive end has drive teeth; and
an attendant arm having a distal attendant end and a proximal attendant end, wherein the proximal attendant end has attendant teeth;
wherein the drive teeth and the attendant teeth are operatively coupled together in a gear joint to allow the transfer of torque from the drive teeth to the attendant teeth which moves the attendant arm and the drive arm with respect to each other; and
wherein the distal drive end of the drive arm is operatively coupled to the motor and the distal attendant end of the attendant arm is operatively coupled to the door, the door frame, or the wall.