US Patent 7610639 Headrest assembly with improved adjustability for a massage device

A headrest assembly (212) for supporting a face of a user (16) of a massage device (10) includes a resilient assembly (220) that supports the face of the user (15), a support arm assembly (222) that is secured to the massage device (10), and an adjuster assembly (224) that can be used to adjust the position of the resilient assembly (220) relative to the support arm assembly (222). The adjuster assembly (224) can include a first adjuster subassembly (240A) that forms a first, four bar type linkage assembly and a second adjuster subassembly (240B) that forms a second, four bar type linkage assembly. The four bar type linkage assemblies allow for improved range of movement and adjustment of the resilient assembly.