Continuously adjusting headrest device

A seat, comprising:

• a backrest comprising an upper section;
• a headrest comprising a rod;
• and
• a headrest adjustment mechanism, comprising:
• a housing disposable on the upper section and receptive of the rod;
• and
• gripping jaws disposable in the housing to grip the rod such that the rod is securable and primarily adjustable in a height-wise dimension defined along a longitudinal axis of the rod and such that the rod is movable and pivotable in lateral dimensions defined transversely relative to the longitudinal axis of the rod.

A passenger seat, comprising:

• a backrest comprising an upper section;
• a headrest comprising first and second rods;
• and
• first and second headrest adjustment mechanisms each of which comprises:
• a housing disposable on first and second sides of the upper section, respectively, and receptive of the first and second rods, respectively;
• and
• gripping jaws disposable in the housing to grip the first and second rods, respectively, such that the first and second rods are each securable and primarily adjustable in a height-wise dimension defined along respective longitudinal axes of the first and second rods and such that the first and second rods are each movable and pivotable in lateral dimensions defined transversely relative to the longitudinal axes of the first and second rods.