Lock apparatus

A lock apparatus for holding a first component relative to a second component, the lock apparatus comprising:

• a block coupled to the first component for movement with the first component relative to the second component between an opened position and a closed position, the block formed to include a first bore extending into the block and a pin-receiving slot extending into the block to intersect with the first bore;
• a lock member configured to be received in the first bore of the block and move relative to the block, the lock member including a first end and a second end spaced apart from the first end, the lock member formed to include an annular groove, an axial slot extending toward the first end of the lock member from the annular groove, and a second bore extending from the second end toward the first end;
• a cross-pin positioned within the pin-receiving slot of the block and configured to slide in the annular groove and axial slot of the lock member to control movement of the lock member;
• a tumbler arrangement coupled between the lock member and the block and configured to control movement of the lock member;
• a coupler shaft positioned within the second bore and coupled with the lock member to move therewith;
• and
• an interference member coupled to the coupler shaft at the first end of the lock member to move with the lock member between an unlocked position and a locked position,
• wherein the block and interference member are spaced apart from an opening of the second component when the first component is in the opened position, the interference member, in the unlocked position, is configured to pass through the opening of the second component as the first component moves toward the closed position, and the interference member, in the locked position, engages with the second component to block movement of the first component from the closed position toward the opened position relative to the second component.

A lock apparatus for holding a first component relative to a second component, the lock apparatus comprising:

• a block coupled to the first component for movement with the first component relative to the second component between an opened position and a closed position, the block formed to include a first bore extending into the block, a cavity adjacent to the first bore, and a pin-receiving slot extending into the block to intersect with the first bore and the cavity;
• a lock member configured to be received in the first bore of the block and move relative to the block, the lock member including a first end and a second end spaced apart from the first end, the lock member formed to include an annular groove, an axial slot extending toward the first end of the lock member from the annular groove, and a second bore extending from the second end toward the first end;
• a guide pin having a head and a hole extending through the head, the guide pin received in the cavity of the block for sliding movement therein;
• a cross-pin positioned within the pin-receiving slot of the block and configured to slide in the annular groove and axial slot of the lock member to control movement of the lock member, the cross-pin extending through the hole of the guide pin for movement with the guide pin;
• a tumbler arrangement coupled between the lock member and the block and configured to control movement of the lock member;
• a coupler shaft positioned within the second bore and coupled with the lock member to move therewith;
• an interference member coupled to the coupler shaft at the first end of the lock member to move with the lock member between an unlocked position and a locked position;
• and
• a fin extending from the second component adjacent to an opening of the second component,
• wherein the block and interference member are spaced apart from the opening of the second component when the first component is in the opened position, the interference member, in the unlocked position, is configured to pass through the opening of the second component as the first component moves toward the closed position, the interference member, in the locked position, engages with the second component to block movement of the first component from the closed position toward the opened position relative to the second component, and the fin is configured to engage with the guide pin to move the cross-pin out of the axial slot and into the annular groove to allow movement of the lock member.