Four-direction adjustable seat headrest and assembly method

Abstract

A four-direction adjustable seat headrest and an assembly method, comprising a headrest rod (100) and a headrest body, wherein the headrest rod (100) is provided with a pair of headrest supporting rods (110a, 110b) for supporting the headrest body; and locking slots (111a, 111b) for locking the headrest body are provided at intervals in each of the headrest supporting rods (110a, 110b) ; further comprising first and second locking and unlocking components (500a, 500b), which are configured to lock the headrest body to the pair of headrest supporting rods (110a, 110b) and can adjust the headrest body on the pair of headrest supporting rods (110a, 110b), wherein the first and second locking and unlocking components (500a, 500b) are mounted on the pair of headrest supporting rods (110a, 110b), and the first and second locking and unlocking components (500a, 500b) are locked to or unlocked from the pair of supporting rods (110a, 110b) by means of locking and unlocking steel wires (510a, 510b) mounted therein, wherein when locking, the locking and unlocking steel wires (510a, 510b) are embedded into the locking slots (111a, 111b) in the pair of headrest supporting rods (110a, 110b), when unlocking, the locking and unlocking steel wires (510a, 510b) exit from the locking slots (111a, 111b) in the pair of headrest supporting rods (110a, 110b), the locking and unlocking steel wires (510a, 510b) in the first and second locking and unlocking components (500a, 500b) are unlocked, as driven by an unlocking means (600) mounted on the first and second locking and unlocking components (500a, 500b).

Dependencies are inferred from the claim text.