A home appliance is provided. The home appliance includes a main body having an accommodation space, a first door rotatably coupled to the main body to open and close the accommodation space and having an opening, a second door rotatably coupled to the first door to open and close the opening, and a locking device configured to fix or separate the first door to or from the main body or fix or separate the second door to or from the first door. The locking device includes a main ring unit, an operating lever configured to separate the second door from the first door by pressure, and a dual opening preventing member configured to maintain a fixed state of the second door with respect to the first door when the operating lever is pressed in a state in which the first door is open.

A refrigerator includes a cabinet having a storage chamber, a main door pivotably mounted to the cabinet while including an opening provided at an inside of the main door, and a stepped portion provided around the opening, a sub-storage chamber mounted at the inside of the main door, a sub-door mounted to the main door, to allow a user to have access to the sub-storage chamber, the sub-door having opposite side surfaces with front portions protruding forwards of a front surface of the main door while having a greater width than the opening and stepped portion between the front portions of the side surfaces, to cover the stepped portion by the side surfaces, and a hinge pivotably mounted to the main door and coupled to the sub-door while being bent at an intermediate portion thereof, to pivotably support the sub-door with respect to the main door.

A refrigerator includes a cabinet having a storage chamber, a main door pivotably mounted to the cabinet while including an opening provided at an inside of the main door, and a stepped portion provided around the opening, a sub-storage chamber mounted at the inside of the main door, a sub-door mounted to the main door, to allow a user to have access to the sub-storage chamber, the sub-door having opposite side surfaces with front portions protruding forwards of a front surface of the main door while having a greater width than the opening and stepped portion between the front portions of the side surfaces, to cover the stepped portion by the side surfaces, and a hinge pivotably mounted to the main door and coupled to the sub-door while being bent at an intermediate portion thereof, to pivotably support the sub-door with respect to the main door.

A vehicle storage device has a locking device that can keep a lid in a closed condition. The locking device includes an operation member for performing an unlocking operation of the lid, an engagement member that is provided such that the engagement member can be engaged with the storage portion and its engaged state is released when the operation member is operated, a first spring that biases the operation member toward a standby position in a locked state, and a second spring that biases the engagement member toward an engagement position in which the engagement member is engaged with the storage portion. The first spring is provided through a through hole formed in the engagement member.

A vehicle storage device has a locking device that can keep a lid in a closed condition. The locking device includes an operation member for performing an unlocking operation of the lid, an engagement member that is provided such that the engagement member can be engaged with the storage portion and its engaged state is released when the operation member is operated, a first spring that biases the operation member toward a standby position in a locked state, and a second spring that biases the engagement member toward an engagement position in which the engagement member is engaged with the storage portion. The first spring is provided through a through hole formed in the engagement member.

A hatch cover lock comprises a front member including a pair of flanges, a rear member positioned between the pair of flanges; a gap defined between front member and the rear member; a clamp defining a J-shaped cross-section in a plane normal to a length thereof, the clamp having one leg thereof disposed in the gap and having another leg thereof disposed parallel to an outer surface of the rear member and at a distance therefrom, a handle, a first pivotal connection between the handle and the front member, a gravity lock, a second pivotal connection between the gravity lock and the handle, and a weld-free connection between the main portion of the rear member and the main portion of the front member.

A hatch cover lock comprises a front member including a pair of flanges, a rear member positioned between the pair of flanges; a gap defined between front member and the rear member; a clamp defining a J-shaped cross-section in a plane normal to a length thereof, the clamp having one leg thereof disposed in the gap and having another leg thereof disposed parallel to an outer surface of the rear member and at a distance therefrom, a handle, a first pivotal connection between the handle and the front member, a gravity lock, a second pivotal connection between the gravity lock and the handle, and a weld-free connection between the main portion of the rear member and the main portion of the front member.

There is provided a lock device for an opening/closing body that is attached to an opening portion of a fixed body so as to be openable and closable. The lock device includes lock portions, a pair of rods, a manipulation unit, and a link unit The opening/closing body or the fixed body has an installation surface on which the link unit is installed, and the installation surface is provided with a holding portion which holds the link unit. One of the base portion and the holding portion is formed with a bendable elastic engagement piece or pieces, and the base portion is installed on the installation surface as a result of the elastic engagement piece or pieces being engaged with the other of the base portion and the holding portion.

There is provided a lock device for an opening/closing body that is attached to an opening portion of a fixed body so as to be openable and closable. The lock device includes lock portions, a pair of rods, a manipulation unit, and a link unit The opening/closing body or the fixed body has an installation surface on which the link unit is installed, and the installation surface is provided with a holding portion which holds the link unit. One of the base portion and the holding portion is formed with a bendable elastic engagement piece or pieces, and the base portion is installed on the installation surface as a result of the elastic engagement piece or pieces being engaged with the other of the base portion and the holding portion.