Patent ID: 11939149
Assignee: COOPER TANK LLC
Field: Handling (Mechanical engineering)
Classification: CPC B  E | IPC B  E

Claim 19:
20. An industrial container, comprising:
a container body having a plurality of walls, the plurality of walls including a ramp wall;
a pivot assembly connecting the ramp wall with the container body for pivotal movement of the ramp wall, the pivot assembly including a pivot shaft;
a counter-balancing spring assembly including one or more springs arranged about the pivot shaft for biasing the ramp wall from a downwardly inclined loading position upwardly toward a vertical closed position with a torque force; and
a locking assembly configured to lock the ramp wall in the vertical closed position;
wherein side walls of the container body include protruding upper portions extending outwardly from ends of the side walls which abut with the ramp wall in the inclined position;
wherein the locking assembly comprises:
an arm pivotably connected to a first side wall of the container body;
a first link pivotably connected to the arm;
one or more first locking latches pivotably connected to the first side wall and pivotably connect to the first link, wherein the one or more first locking latches selectively engage with the ramp wall to lock the ramp wall in the inclined position; and
a second link pivotably connected to the first link;
wherein rotation of the arm from a lower position to an upper position causes rotation of the one or more first locking latches to disengage with the ramp wall and unlock the ramp wall from the inclined position.