US 12,312,827 B2
Door assembly for a shelter and a shelter including same
Christian M. Otis, New Haven, CT (US); George A. Bevilacqua, Orange, CT (US); Derald L Shepherd, Torrington, CT (US); and Matthew M. DeGennaro, Bristol, CT (US)
Assigned to ShelterLogic Corp., Watertown, CT (US)
Filed by ShelterLogic Corp., Watertown, CT (US)
Filed on Jun. 29, 2022, as Appl. No. 17/852,511.
Claims priority of provisional application 63/217,394, filed on Jul. 1, 2021.
Prior Publication US 2023/0003049 A1, Jan. 5, 2023
Int. Cl. E04H 15/58 (2006.01); E04H 15/36 (2006.01); E06B 9/06 (2006.01); E06B 9/262 (2006.01)
CPC E04H 15/58 (2013.01) [E06B 9/06 (2013.01); E06B 9/063 (2013.01); E06B 9/0676 (2013.01); E06B 9/262 (2013.01); E06B 2009/2622 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A door assembly for a shelter, wherein the shelter comprises a frame assembly and a cover for covering the frame assembly, wherein the door assembly comprises:
a door frame;
a door coupled to the door frame, wherein the door is comprised of a flexible material that can be lifted to provide an opening into the shelter and can be lowered for enclosing the shelter, wherein the door comprises a plurality of pockets;
a plurality of elongated door members, each of which includes a first and a second end, wherein each of the plurality of elongated door members is positioned within a respective one of the pockets;
a plurality of first couplers, each of which couples the first end of a respective elongated door member to a first side of the door frame;
a plurality of second couplers, each of which couples the second end of a respective elongated door member to a second side of the door frame; and
door lifting means for (i) pulling at least one of the door or one of the elongated door members and causing the door to lift to provide the opening into the shelter and (ii) controlling the lowering of the door to enclose the shelter; and
wherein:
there are at least N pockets, wherein N≥2;
there are at least M spaced-apart elongated door members, wherein M≥2; and
the door lifting means has at least a first end, wherein the door lifting means passes through at least N-1 of the pockets, and wherein the door lifting means has a terminating end that at least one of (i) pulls the Nth pocket or (ii) is coupled to the Mth elongated door member for lifting the door to provide the opening into the shelter and for controlling the lowering of the door to enclose the shelter.