Head assembly and inkjet recording apparatus

A head assembly, comprising:

• a base member;
• a recording head configured to eject ink;
• a coupling member that couples the recording head to the base member;
• and
• a pressing member that is in contact with a first surface of the recording head, wherein
• the coupling member includes an urging member that urges a second surface of the recording head toward the first surface of the recording head,
• the second surface of the recording head is a surface of the recording head on an opposite side from the first surface,
• the recording head includes a nozzle surface in which nozzle orifices that allow ink to be ejected therefrom are formed, and an extension part that is placed outside the nozzle surface,
• the extension part includes a first surface and a second surface on an opposite side from the first surface,
• the first surface of the recording head includes the first surface of the extension part,
• the second surface of the recording head includes the second surface of the extension part,
• the pressing member is in contact with the first surface of the extension part, and
• the urging member urges the second surface of the extension part.