An apparatus for loading and unloading cargo, capable of loading cargo while distributing the weight of the cargo and unloading the cargo regardless of the loading order of the cargo, is provided. The apparatus for loading and unloading cargo may include: a base portion; a rail installed on the base portion; a plurality of movable plates disposed on the rail, supporting the cargo, and moving along the rail; and a raising-lowering portion connected between the base portion and a body so that the base portion can be raised and lowered.

An apparatus for loading and unloading cargo, capable of loading cargo while distributing the weight of the cargo and unloading the cargo regardless of the loading order of the cargo, is provided. The apparatus for loading and unloading cargo may include: a base portion; a rail installed on the base portion; a plurality of movable plates disposed on the rail, supporting the cargo, and moving along the rail; and a raising-lowering portion connected between the base portion and a body so that the base portion can be raised and lowered.

A hybrid support rail for receiving fixtures in a cabin of a vehicle includes a support rail base, first attachment elements, second attachment elements formed so as to be complementary to the first attachment elements, and a support rail upper part. The support rail base has a lower side and an upper side. The upper side has a receiving housing extending along a main extension direction of the support rail base for sliding in first attachment elements and, on a side facing away from the lower side, a support surface having at least one recess. The receiving housing is formed so as to prevent the first attachment elements from sliding out towards the support surface. The support rail upper part has a contact surface for placement on the support surface. The contact surface has recesses through which the second attachment elements are guided for insertion in the first attachment elements.

A hybrid support rail for receiving fixtures in a cabin of a vehicle includes a support rail base, first attachment elements, second attachment elements formed so as to be complementary to the first attachment elements, and a support rail upper part. The support rail base has a lower side and an upper side. The upper side has a receiving housing extending along a main extension direction of the support rail base for sliding in first attachment elements and, on a side facing away from the lower side, a support surface having at least one recess. The receiving housing is formed so as to prevent the first attachment elements from sliding out towards the support surface. The support rail upper part has a contact surface for placement on the support surface. The contact surface has recesses through which the second attachment elements are guided for insertion in the first attachment elements.

A quick-connect fitting for a convertible cargo handling assembly may comprise a fixed portion and a coupling component. The fixed portion may be secured to an aircraft frame structure. The coupling component may be coupled to a removable cargo handling component. The coupling component may be configured to rotate relative to the fixed portion.

A quick-connect fitting for a convertible cargo handling assembly may comprise a fixed portion and a coupling component. The fixed portion may be secured to an aircraft frame structure. The coupling component may be coupled to a removable cargo handling component. The coupling component may be configured to rotate relative to the fixed portion.

A safety system for aircraft passenger seats is described. A pallet that can be removably coupled to seats can also be removably coupled to the aircraft floor and one or more brackets, tension fittings, or machined straps that can be coupled to structural beams or components in an aircraft. A keel tension fitting can be attached to a keel beam and then be coupled to the pallet and thereby the seats. By attaching to the keel beam the safety system allows the seating arrangement (pallet and seats) to withstand greater stresses and forces, resulting in increased safety.

A convertible cargo handling assembly may comprise a mat, a fitting, and a removable cargo handling component. The fitting may include a fixed component and a coupling component. The fixed component may be located in an opening defined by the mat. The removable cargo handling component may be located over the mat and removably coupled to the fixed portion of the fitting via a coupling between the coupling component and the fixed component.

A convertible cargo handling assembly may comprise a mat, a fitting, and a removable cargo handling component. The fitting may include a fixed component and a coupling component. The fixed component may be located in an opening defined by the mat. The removable cargo handling component may be located over the mat and removably coupled to the fixed portion of the fitting via a coupling between the coupling component and the fixed component.

An example floor panel for a flooring system in a passenger vehicle includes a top sheet, a bottom sheet, a body situated between the top sheet and the bottom sheet, and an interlocking feature that extends outward from the body for slidably engaging an adjacent floor panel. An example flooring system in a passenger vehicle includes a first set of floor panels including panels rigidly attached to a structure of the passenger vehicle, and a second set of floor panels and each floor panel of the second set of floor panels has an interlocking feature for slidably engaging an adjacent floor panel and for enabling lateral relative motion to occur and restricting vertical relative motion between panels of the second set of floor panels and a respective adjacent floor panel.