A device for coordinated control and operation of double doors having a plate with a rectilinear motion that is associated with links with adjustable lengths that connect the plate to the double doors, with both the first and the second doors opened when one of the doors is opened and sequentially closed when one of the doors is closed.

A device for coordinated control and operation of double doors having a plate with a rectilinear motion that is associated with links with adjustable lengths that connect the plate to the double doors, with both the first and the second doors opened when one of the doors is opened and sequentially closed when one of the doors is closed.

A device for coordinated control and operation of double doors having a plate with a rectilinear motion that is associated with links with adjustable lengths that connect the plate to the double doors, with both the first and the second doors opened when one of the doors is opened and sequentially closed when one of the doors is closed.

A device for coordinated control and operation of double doors having a plate with a rectilinear motion that is associated with links with adjustable lengths that connect the plate to the double doors, with both the first and the second doors opened when one of the doors is opened and sequentially closed when one of the doors is closed.

A device for coordinated control and operation of double doors having a plate with a rectilinear motion that is associated with links with adjustable lengths that connect the plate to the double doors, with both the first and the second doors opened when one of the doors is opened and sequentially closed when one of the doors is closed.

A hideable bay window is provided. The hideable bay window comprises a window frame, a first horizontal turning plate, a second horizontal turning plate, a vertical translation plate, a first vertical sliding assembly, and a second vertical sliding assembly. The hidable bay window further comprises a pair of bottom support mechanisms. Compared to traditional windows, the present window can be transformed between a fixed window status and a bay window status smoothly and allows the space for the windows to be set according to the needs of the user.

A hideable bay window is provided. The hideable bay window comprises a window frame, a first horizontal turning plate, a second horizontal turning plate, a vertical translation plate, a first vertical sliding assembly, and a second vertical sliding assembly. The hidable bay window further comprises a pair of bottom support mechanisms. Compared to traditional windows, the present window can be transformed between a fixed window status and a bay window status smoothly and allows the space for the windows to be set according to the needs of the user.

A hideable bay window is provided. The hideable bay window comprises a window frame, a first horizontal turning plate, a second horizontal turning plate, a vertical translation plate, a first vertical sliding assembly, and a second vertical sliding assembly. The hidable bay window further comprises a pair of bottom support mechanisms. Compared to traditional windows, the present window can be transformed between a fixed window status and a bay window status smoothly and allows the space for the windows to be set according to the needs of the user.

A hideable bay window is provided. The hideable bay window comprises a window frame, a first horizontal turning plate, a second horizontal turning plate, a vertical translation plate, a first vertical sliding assembly, and a second vertical sliding assembly. The hidable bay window further comprises a pair of bottom support mechanisms. Compared to traditional windows, the present window can be transformed between a fixed window status and a bay window status smoothly and allows the space for the windows to be set according to the needs of the user.

A hatch power lift and locking system may include a hatch configured to cover an opening, the hatch being pivotable about an axis between a closed position and an open position. The assembly may also include at least one latch dog attached to the hatch, and at least one dog catch pin engaging with the at least one latch dog in the closed position. The at least one latch dog may include a latch slot for receiving the at least one dog catch pin, and a latch catch for engaging the at least one dog catch pin. The assembly may further include an actuator configured to move at least a portion of the hatch between the closed position and the open position.