Interlock assembly for securing a passenger seat tray table

A tray table assembly for a passenger seat, comprising:

• a tray table mountable to the passenger seat;
• and
• an interlock subassembly, comprising:
• a mounting block mountable to the passenger seat;
• a catch pivotally mounted to the mounting block and configured to pivot about a first pivot axis;
• a handle pivotally mounted to the mounting block and configured to pivot about a second pivot axis;
• a first torsion spring biasing the catch open;
• and
• a second torsion spring biasing the handle closed;
• wherein the handle and the catch are configured to close and interlock to secure the tray table in a stowed position, and disengage and open to release the tray table for deployment.

An aircraft passenger seat assembly, comprising:

• a passenger seat having a backrest;
• a tray table moveable between a stowed position against a back of the backrest and a deployed position apart from the backrest;
• and
• an interlock subassembly for securing the tray table in the stowed position, the interlock subassembly comprising:
• a mounting block mounted to the back of the backrest and above the tray table;
• a catch pivotally mounted to the mounting block and configured to pivot about a first pivot axis;
• a handle pivotally mounted to the mounting block and configured to pivot about a second pivot axis;
• a first torsion spring biasing the catch open;
• and
• a second torsion spring biasing the handle closed;
• wherein the handle and the catch are configured to close and interlock to secure the tray table in the stowed position, and disengage and open to release the tray table to allow the tray table to move to the deployed position.