Belt Retractors TRIZ Cases

A belt retractor idler arm uses a speed-sensitive viscous damper to adjust sensor lever locking based on extraction rate.

A segmented belt webbing design uses a wider first section to distribute impact forces across the occupant's chest.

A seat belt device synchronizes motor speed with the belt reel to enable rapid webbing winding.

Protect cover side wall prevents locking base contact with the base frame.

A mode switching lever operates a locking unit to fix a flywheel, reducing noise from rattling ball members while integrating automatic locking functions.

A seatbelt retractor force-transmitting element uses a flexible bending portion to adapt to curved tubular housing while maintaining longitudinal pressure resistance.

Inertial force displaces rotatable locking section toward fixed locking section, preventing unwanted locking during vehicle emergencies.

Integrated L-shaped spring suppresses noise from repeated clutch plate impacts while maintaining rotary movement clearance.

A circular arc toothed rack rotates a pinion directly, resolving the contradiction between limited tensioning length and structural complexity.

A webbing take-up device sandwiches gears between a retaining member and rotor to suppress axial rattling and stabilize overload release mechanism engagement.

Replacing metallic driving elements with a polymer rod reduces weight and cost while maintaining pretensioning reliability.

A seat belt retractor pretensioner uses a selectively actuatable clutch to control force transmission between the spool and drive mechanism.

A seat belt retractor cover structure integrates a vehicle sensor into an accommodating part with a lower opening and fixing holes.

Dual clutch actuation manages web tension during child seat installation, resolving the trade-off between ease of adjustment and secure anchoring reliability.

A vehicle safety device uses a rotating roller to generate electric current that drives a magnetic force generator for dynamic load limiting.

A spacer between the piston and thrust means ensures complete ejection from the pressure reservoir.

A seat belt mounting structure uses a reel reinforcement to connect the quarter inner panel, roof center rail, and C-pillar for efficient load distribution.

An elongated opening with a side guide portion directs the belt into the outlet, resolving insertion difficulty when workers are positioned on the rear side.

A motorized seat belt retractor eliminates solenoid complexity by using a centrifugal clutch that automatically switches reduction ratios based on spool speed.

A seat belt retractor uses a forcible guide to fix the inertia sensor housing during extraction.

A webbing retractor spool uses asymmetric fit-together projections to redirect rotational forces and improve torsion shaft load balance.

A retractable seatbelt positioner router moves between extended and retracted positions via a tether and cassette mechanism.

A vehicle seat assembly adjusts seatback height using a position sensor to align safety features with the occupant.

Segmented airbag portions with transverse slack zones enable webbing to bend into a U-shape, resolving texture discomfort against conventional seat belts.

A drive arrangement uses a voltage boost circuit to increase motor speed during seat belt tensioning.

A seat belt retractor uses motor rotation to release the clutch during webbing drawing.

A seatbelt pretensioner uses a polymer rod and vented tube to drive restraint movement.

A seatbelt retractor lever disengages from sensor housing teeth during recline, preventing premature locking and occupant tightness.

A webbing take-up device uses an asymmetric placement face to guide inertia mass body rolling.

A seat belt retractor switching mechanism uses a gas generator to drive a switch ring for reliable locking control.

Adjustable back frame parts shift inclination angles to distribute collision loads across multiple structural components.

A vehicle seatback uses laser welding to join panels and a bracket from one direction.

A vehicle occupant restraint system retracts seatbelt webbing via a motor driven by a controller.

Curved guiding geometries move the pawl radially inward to prevent tip-to-tip hooking and ensure reliable engagement.

A tubular casing integrates a closure member that guides the tensioning cable.

Axially tapered rotor teeth reduce resistance and improve kinetic energy transmission efficiency in vehicle safety systems.

A seat belt retractor uses a spiral spring to generate continuous winding torque on the spindle without external power.

Guide ribs in the air belt sleeve direct webbing to prevent bias, reducing chest deformation and improving occupant safety.

An intermediary strip reduces friction between the restraining belt and slide, preventing localized welding during rapid tightening.

Anchored lap portions and shoulder belts routed through slot-constrained plates prevent submarining by pulling the occupant closer to the seat frame.

A belt retractor coupling element shifts between positions to connect or disconnect the reel from damping means.

Dual extension speed sensors trigger energy absorption or locking mechanisms to prevent rear occupant contact with front seats while minimizing injury risk.

A seat belt retractor switches force limitation levels via a counter gear, adapting restraint for varying occupant sizes and positions.

A seat belt safety device uses a release unit to unwind the restraint after pretensioner activation.

An open spring washer applies varying force to seat belt parts moving toward each other during extraction.

A movable seat belt guide shifts the shoulder belt laterally during collisions to lower chest compression while maintaining webbing restraint.

A seatbelt control device adjusts force limiter load thresholds based on collision velocity and deceleration patterns.

Tangential contact pieces on a friction ring enable automated coupling to an outer gear cover, eliminating manual operation and improving abrasion resistance.

A contoured mounting bracket creates a third anchor point for three-point seat belt systems using existing factory holes.