Head Rests TRIZ Cases

A retractable medallion creates a cavity to house the headrest, enabling complete backrest tilting without expensive 180-degree mechanisms.

A headrest core member features a recessed portion housing an acoustic microphone to isolate the sound collection surface from speaker interference.

Electronic adjustment mechanisms enable customizable head support by dynamically changing height, side angle, and tilt relative to the seat back.

Pivoting side supports on an adjustable headrest provide lateral neck alignment, resolving discomfort during extended travel.

An inverted release lever lifts a ratchet protrusion to release locking, reducing required force and enabling compact design.

A headrest guide uses longitudinal protrusions to abut the support pillar and stabilize alignment.

A slotted guide pivots the headrest cushion to resolve complexity and obstruction trade-offs during adjustment.

A mechanical headrest uses a ratchet mechanism to absorb impact energy through housing deformation.

A Finray headrest framework uses flexible flanks and deflectable cross struts to autoreactively deform under force impulses.

An elastic component connects the headrest shaft to a latching element, providing restoring force that stabilizes the position against external forces.

Spherical bushings accommodate misalignment in a single guide shaft, eliminating binding and reducing component complexity.

A vehicle headrest uses a dilatant pad to soften normal support and harden during impact.

A vehicle seat head restraint uses a pneumatic damping device to absorb impact energy through air compression.

A fixed headrest uses segmented resilient members and frame legs to absorb impact energy through progressive deformation.

Projection engages bush receptacle to lock headrest wing, resolving reliability versus ease of operation trade-off.

Oblique resonator between loudspeakers reduces low frequency distortion, improving HiFi sound quality without complex ducts.

Segmented components reduce device complexity while maintaining adaptability across trim levels, enabling customizable ventilation and heating features.

A molded stopper member with a restriction portion abuts support members to secure the headrest stay.

Telescopic panel extends to shield headrests from cargo damage while maintaining rear cargo space utility.

A vehicle headrest system measures driver face direction using infrared distance sensors to enable precise automatic adjustment.

A headrest assembly with laterally movable portions that combine or separate to adapt seating configurations.

A vehicle headrest uses a four-bar linkage to move between forward and rearward positions.

Sliding guiding rails activate an expanding construction that extends side cushions to capture head movement, preventing neck injuries from oblique collisions.

A seatbelt web guide moves vertically with an adjustable headrest via a shared support element.

A cable driven head restraint articulates automatically via seat linkages to pivot between seating orientations.

A vehicle seat headrest fastening device uses asymmetric guide units with varying rib widths to prevent incorrect mounting.

Roof-mounted head restraints pivot on non-parallel axes to clear sightlines, resolving obstruction issues in multi-row seating layouts.

Replacing stepped locking teeth with a reverse input blocking clutch enables stepless headrest displacement, resolving comfort and safety trade-offs.

Sensors detect occupant head position to drive lateral and vertical adjustment, returning the restraint to a safe position during impact events.

An elastomeric pad in a headrest sleeve compensates for manufacturing tolerances, reducing friction and damping vibrations.

Swiveling side wings on a vehicle headrest reduce component count by merging the wing and retaining strut into one part.

A vehicle headrest bracket uses wobble attachment to join a traverse to support rods for simplified assembly.

Sliding rods allow the head rest to shift forward during impact, reducing the distance between the child's head and the restraint structure.

A vehicle headrest uses a cover and connecting part to contain liquid filling material during on-site foaming expansion.

A dynamic gap occupying part on the support moves between positions to reduce insertion force and prevent rattling in vehicle seats.

Anchoring lug inserts into housing orifice to guide shell positioning, eliminating blind interlocking and reducing operator assembly difficulty.

Segmented mold masks prevent paint overhangs by exploiting temperature gradients, eliminating costly edge rework in foam manufacturing.

A headrest with a ratchet mechanism translates upon impact to cushion the occupant's head.

A locking accessory engages a headrest rod to prevent seat return, ensuring occupant safety when users forget to reinstall the restraint.

Integrated latch mechanism reduces component count and assembly complexity while maintaining angular adjustment capability.

A blow molded headrest core integrates fluid channels to enable injection molding of an outer shell.

A vehicle headrest uses a four-bar linkage to move the headpiece between positions.

A plastic headrest body uses a frame and flexible support elements to form an ergonomic concave surface without foam materials.

Replacing mechanical bolts with pneumatic airbags, the system adjusts the headrest swelling position in the seat-height direction without loosening fasteners.

A tubular elastomer ring with a conical section secures a retractable headrest within its seat back sheath.

Segmentation and intermediary mechanisms allow easy removal of the head restraint without damaging seat components.

A headrest cover system with a stabilizing bracket enables hands-free viewing of electronic devices.