US 11,946,286 B2
Latch assembly for vertical door and method of operating
Adam Kuenzi, Silverton, OR (US); Anthony Pettigrew, Palm Beach Gardens, FL (US); Matthew Hill, Aumsville, OR (US); Eric Chang, Palm Beach Gardens, FL (US); Christopher Marks, Palm Beach Gardens, FL (US); and Patrick Sweeney, Palm Beach Gardens, FL (US)
Assigned to Carrier Corporation, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Aug. 21, 2020, as Appl. No. 16/999,745.
Claims priority of provisional application 62/890,233, filed on Aug. 22, 2019.
Prior Publication US 2021/0054658 A1, Feb. 25, 2021
Int. Cl. E05B 47/00 (2006.01); E05B 65/00 (2006.01)
CPC E05B 47/0012 (2013.01) [E05B 65/0021 (2013.01); E05B 2047/0018 (2013.01); E05B 2047/0054 (2013.01); E05B 2047/0067 (2013.01); E05B 2047/0069 (2013.01); E05B 2047/0072 (2013.01); E05Y 2201/434 (2013.01); E05Y 2201/474 (2013.01); E05Y 2201/70 (2013.01); E05Y 2201/702 (2013.01); E05Y 2400/612 (2013.01); E05Y 2400/66 (2013.01); E05Y 2400/85 (2013.01); E05Y 2600/46 (2013.01); E05Y 2900/106 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A vertical door latch assembly comprising:
a housing;
a bolt movably attached to the housing having a catch portion;
a drive motor located within the housing configured to selectively move a lock assembly between a locked position preventing movement of the bolt and an unlocked position allowing movement of the bolt, wherein the lock assembly includes a blocker plate moveable relative to the housing and a pin that selectively engages a pin opening in the bolt, and wherein the blocker plate is configured to accept the pin in a pin recess of the blocker plate when the lock assembly is in the unlocked position, and wherein the blocker plate is configured to hold the pin in the pin opening of the bolt when the lock assembly is in the locked position;
a controller in electrical communication with the drive motor and configured to direct the actuator lock assembly between the locked position and the unlocked position; and
a force sensor in electrical communication with the controller configured to measured when a force exceeds a predetermined threshold.