Container Door Opening System

An opener for a container door, comprising:

• an elongated member comprising a first end and a second end;
• a first engaging member movably connected to the elongated member, wherein the first engaging member is adjustable in a first direction towards the first end of the elongated member and in a second direction towards the second end of the elongated member, wherein the first engaging member is adjustable between a first position and a second position, wherein the first position is comprised of a retracted position and wherein the second position is comprised of an extended position;
• a second engaging member connected at or near the second end of the elongated member, wherein the first engaging member is closer to the second engaging member in the retracted position than in the extended position;
• a bracket connected to the elongated member between the first engaging member and the second engaging member;
• and
• a bias member connected between the bracket and the first engaging member so as to bias the first engaging member towards the extended position, wherein the first engaging member and the second engaging member are each adapted to engage with a container door so as to open or close the container door.