Patent ID: 8611573

Claim:
A hearing aid, comprising: a housing formed with an opening, a recess, an undercut, and an abutment; each of said recess, said undercut, and said abutment being connected to said opening, said abutment and said undercut being arranged on mutually opposite sides of said opening; said opening, said recess, said undercut, and said abutment being configured to enable a retaining lug of an audio shoe to be inserted into the undercut through said opening and said recess by a rotational movement around a side of said opening in a vicinity of said undercut; said abutment being configured to enable the retaining lug, which has been inserted into said undercut, to be removed from said undercut by a rotational movement around the side of the opening in the vicinity of said undercut; and a lock configured for locking a locking component of an audio shoe inserted into said undercut against a rotational movement out of said undercut around the side of the opening in the vicinity of said undercut.