Latch assembly with sliding latch and rotating catch

A tray table assembly for a passenger seat, comprising:

• a tray table mountable to the passenger seat;
• and
• a latch assembly mountable to the passenger seat for securing the tray table in a stowed position, the latch assembly comprising:
• a latch subassembly, including:
• a first mounting block configured to be mounted to a seat backrest;
• a spring-loaded latch slidably mounted to the first mounting block;
• and
• a tab mounted to the spring-loaded latch;
• and
• a catch subassembly, including:
• a second mounting block configured to be mounted to the seat backrest;
• and
• a spring-loaded catch pivotally mounted to the second mounting block;
• wherein the spring-loaded latch interacts with the spring-loaded catch such that, when the tray table is stowed and the spring-loaded latch is closed, the tab engages the spring-loaded catch to prevent the spring-loaded catch from pivoting open;
• and
• wherein the spring-loaded catch interacts with the spring-loaded latch such that, when the tray table is deployed and the spring-loaded catch is open, the tab engages the spring-loaded catch to prevent the spring-loaded latch from sliding closed.

An aircraft passenger seat assembly, comprising:

• a passenger seat including a backrest;
• a tray table moveable between a stowed position against a back of the backrest and a deployed position apart from the back of the backrest;
• and
• a latch assembly mounted to the back of the backrest above the tray table, the latch assembly comprising:
• a latch subassembly, including:
• a first mounting block mounted to the backrest;
• a spring-loaded latch slidably mounted to the first mounting block;
• and
• a tab mounted to the spring-loaded latch;
• and
• a catch subassembly, including:
• a second mounting block mounted to the backrest;
• and
• a spring-loaded catch pivotally mounted to the second mounting block;
• wherein the spring-loaded latch interacts with the spring-loaded catch such that, when the tray table is stowed and the spring-loaded latch is closed, the tab engages the spring-loaded catch to prevent the spring-loaded catch from pivoting open;
• and
• wherein the spring-loaded catch interacts with the spring-loaded latch such that, when the tray table is deployed and the spring-loaded catch is open, the tab engages the spring-loaded catch to prevent the spring-loaded latch from sliding closed.