US 11,864,669 B2
Merchandiser including track door system
Rick M. LaMontagne, Warrenton, MO (US); and Ye Tian, St. Louis, MO (US)
Assigned to Hussmann Corporation, Bridgeton, MO (US)
Filed by Hussmann Corporation, Bridgeton, MO (US)
Filed on Nov. 24, 2021, as Appl. No. 17/535,295.
Claims priority of provisional application 63/118,539, filed on Nov. 25, 2020.
Prior Publication US 2022/0160146 A1, May 26, 2022
Int. Cl. A47F 3/04 (2006.01)
CPC A47F 3/043 (2013.01) 8 Claims
OG exemplary drawing
 
1. A refrigerated merchandiser comprising:
a case defining and separating a product display area from an ambient environment, the case having a frame defining one or more openings to the product display area;
an upper track connected to the case and extending at least partially along the frame, the upper track having a center portion, a first door end extending from the center portion, a first door spur extending from the center portion, a second door end extending from the center portion, and a second door spur extending from the center portion;
a first door movably connected to the upper track, the first door having a first leading roller configured to be move between the first door spur and the center portion and a first trailing roller configured to be moved between the first door end and the center portion; and
a second door movably connected to the upper track, the second door having a second leading roller configured to be move between the second door spur and the center portion and a second trailing roller configured to be moved between the second door end and the center portion;
a first gate positioned between the first door spur and the center portion and controllable to selectively prevent movement of the first door between a closed position and a first open position,
a second gate separate from the first gate and positioned between the second door spur and the center portion and controllable to selectively prevent movement of the second door between a closed position and a first open position,
wherein the first door is configured to move between the closed position adjacent the frame and the first open position in which the first door is positioned over the second door, and wherein the second door is configured to move between a closed position adjacent the frame and a second open position in which the second door is positioned over the first door,
wherein the first gate is rotatable between a first position in which the first gate blocks a path between the first door spur and the center portion to prevent the first door from opening, and a second position in which the first gate opens into the center portion to provide a path between the first door spur and the center portion to allow the first door to open.