A lock bar-on-slide rail style drawer antitipping safety device includes a cabinet body, a top drawer, at least one middle drawer, and at least one bottom drawer. The drawers are each provided with a sliding portion projecting from one side thereof. The cabinet body includes a vertical slide rail slidably mounted at one side that corresponds to the sliding portions. The vertical slide rail includes, in sequence from top to bottom, a first lock bar, a second lock bar, and a third lock bar slidably mounted thereto. Each of the first lock bar and the second lock bar is provided with a stop portion projecting from each of a top end and a bottom end thereof toward the corresponding sliding portion. The stop portions are provided to selectively block the sliding portions so as to prevent the drawers from accidentally sliding out or being opened simultaneously.

A lock bar-on-slide rail style drawer antitipping safety device includes a cabinet body, a top drawer, at least one middle drawer, and at least one bottom drawer. The drawers are each provided with a sliding portion projecting from one side thereof. The cabinet body includes a vertical slide rail slidably mounted at one side that corresponds to the sliding portions. The vertical slide rail includes, in sequence from top to bottom, a first lock bar, a second lock bar, and a third lock bar slidably mounted thereto. Each of the first lock bar and the second lock bar is provided with a stop portion projecting from each of a top end and a bottom end thereof toward the corresponding sliding portion. The stop portions are provided to selectively block the sliding portions so as to prevent the drawers from accidentally sliding out or being opened simultaneously.

A dispensing cabinet may include a security panel and a plunger having a disengaged position and an engaged position. The plunger may be secured in the disengaged position by the security panel. The security panel may be released in order to transition the plunger from the disengaged position to the engaged position. The dispensing cabinet may further include a lever configured to interface with the plunger and one or more latch assemblies. The lever may shift upwards in response to the plunger being transitioned from the disengaged position to the engaged position. An upward motion of the lever may release the one or more latch assemblies by rotating, to a limit, a cam bracket included in each of the one or more latch assemblies. The dispensing cabinet may be unlocked by the release of the one or more latch assemblies.

A refrigerator includes a cabinet that defines a storage chamber, an upper door that is configured to open and close an upper portion of the storage chamber by being drawn in and out, a lower door that is positioned below the upper door and that is configured to open and close a lower portion of the storage chamber by being drawn in and out, an upper door restriction unit that is configured to selectively restrict the upper door from being opened, and a lower door restriction unit that is configured to selectively restrict the lower door from being opened. The upper door restriction unit is configured, based on the lower door being opened, to restrict the upper door from opening, and the lower door restriction unit is configured, based on the upper door being opened, to restrict the lower door from opening.

A refrigerator includes a cabinet that defines a storage chamber, an upper door that is configured to open and close an upper portion of the storage chamber by being drawn in and out, a lower door that is positioned below the upper door and that is configured to open and close a lower portion of the storage chamber by being drawn in and out, an upper door restriction unit that is configured to selectively restrict the upper door from being opened, and a lower door restriction unit that is configured to selectively restrict the lower door from being opened. The upper door restriction unit is configured, based on the lower door being opened, to restrict the upper door from opening, and the lower door restriction unit is configured, based on the upper door being opened, to restrict the lower door from opening.

A refrigerator and a control method therefor are provided. When a user input is received, an upper drawer of the refrigerator is opened by operating an opening/closing motor of the upper drawer, and it is determined whether opening of a lower drawer is detected by an open/close detecting part of the lower drawer when the upper drawer is opened. The lower drawer is closed by operating the opening/closing motor of the lower drawer when the opening of the lower drawer is detected.

An apparatus is provided for locking rack-mounted electronic devices within a rack upon removal of one of the electronic devices from the rack. The apparatus includes a shaft rotatably connected to the rack and provided at each slot position with a set of paddles, including a locking paddle and a trigger paddle. With the rack populated with devices, the removal of one device from a slot causes a block attached to the device to urge against a trigger paddle, which rotates the shaft. As the shaft continues to rotate, with the motion of the block caused by the removal of the device, the locking paddle for each slot is rotated into a position such that an attempt to remove any of the other devices from the rack causes the associated block to abut the locking paddle, which does not yield.

An apparatus is provided for locking rack-mounted electronic devices within a rack upon removal of one of the electronic devices from the rack. The apparatus includes a shaft rotatably connected to the rack and provided at each slot position with a set of paddles, including a locking paddle and a trigger paddle. With the rack populated with devices, the removal of one device from a slot causes a block attached to the device to urge against a trigger paddle, which rotates the shaft. As the shaft continues to rotate, with the motion of the block caused by the removal of the device, the locking paddle for each slot is rotated into a position such that an attempt to remove any of the other devices from the rack causes the associated block to abut the locking paddle, which does not yield.

A refrigerator includes a cabinet that defines a storage chamber, an upper door that is configured to open and close an upper portion of the storage chamber by being drawn in and out, a lower door that is positioned below the upper door and that is configured to open and close a lower portion of the storage chamber by being drawn in and out, an upper door restriction unit that is configured to selectively restrict the upper door from being opened, and a lower door restriction unit that is configured to selectively restrict the lower door from being opened. The upper door restriction unit is configured, based on the lower door being opened, to restrict the upper door from opening, and the lower door restriction unit is configured, based on the upper door being opened, to restrict the lower door from opening.

A refrigerator includes a cabinet that defines a storage chamber, an upper door that is configured to open and close an upper portion of the storage chamber by being drawn in and out, a lower door that is positioned below the upper door and that is configured to open and close a lower portion of the storage chamber by being drawn in and out, an upper door restriction unit that is configured to selectively restrict the upper door from being opened, and a lower door restriction unit that is configured to selectively restrict the lower door from being opened. The upper door restriction unit is configured, based on the lower door being opened, to restrict the upper door from opening, and the lower door restriction unit is configured, based on the upper door being opened, to restrict the lower door from opening.