主权项 |
1. A door system for a refrigeration unit comprising:
an outer frame for holding sliding doors; at least two sliding doors having the same size, each door comprising:
a frame with an inner side, an outer side, an upper side and a lower side and one or more slider guides on a top surface of the inner side, the slider guides serving as support for the other sliding door when the other sliding door is in an open position;the inner side, outer side, upper side and lower side having side outer surfaces that present a profile that permits each door to seal tightly when in a closed position;pins extending outward from a side outer surface of the upper side and a side outer surface of the lower side of the frame so that the ins extend in the same plane as the respective sliding door; two parallel running rails within the outer frame, the rails aligning with the upper and lower sides of the sliding doors, each rail comprising an upper sliding groove in which the pins of the sliding door run when the sliding doors are being moved to an open position and a plurality of seating grooves that open up to the upper sliding grooves and extend downward from the upper sliding grooves, the pins residing in the seating grooves when the sliding doors are in a closed position; the one or more slider guides being positioned on the frame of each sliding door to aid in preventing the pins of one of the sliding doors being opened from entering the respective seating grooves in which the pins of the other closed sliding door still reside; and the sliding doors residing in the same plane when the sliding doors are in a closed position and the sliding doors residing in two parallel planes when one of the sliding doors is in an open position. |