1
Beller Herbert R: Seat belt retractor having inertial device activated by two stimuli. N V Klippan, Plaut Jonathan, Kirby Jr John P, November 11, 1975: US3918658 (83 worldwide citation)

A reel-type retractor for a safety belt incorporating a single inertial locking system responsive to two different stimuli for actuating a pawl to locking engagement with a ratchet wheel. A pendulum responds to a first stimulus resulting from acceleration, deceleration or roll-over of the vehicle. A ...


2
Cecil A Collins, Alfred J Fisher III: Seat belt retractor with tension relief mechanism. Allied Signal, Harness Dickey & Pierce, May 2, 1995: US05411221 (65 worldwide citation)

The present invention is directed to a tension relief mechanism for a safety belt retractor that can be selectively actuated for adjusting the tension exerted on the safety belt. The tension relief mechanism is operable for permitting the seat occupant to selectively vary the loading exerted on a co ...


3
Tetsuya Maekawa, Yuichi Sawatari: Seat belt retractor employing ultrasonic motor. Takata Corporation, Foley & Lardner, June 16, 1998: US05765774 (64 worldwide citation)

A reel of a seat belt retractor equipped in a automobile for reeling a seat belt is integral with a shaft of an ultrasonic motor. The ultrasonic motor is rotated either one direction or the other so as to retract or draw out the seat belt. A control device for controlling the rotation of the ultraso ...


4
Eiji Yanagi, Hiroaki Fujii, Kenji Kitazawa: Vehicle occupant restraint system. Takata Corporation, Foley & Lardner, August 4, 1998: US05788281 (62 worldwide citation)

A seat belt retractor is controlled in consideration of the condition of a vehicle relative to an object and/or the condition of the vehicle to more efficiently and conformably protect the occupant in an emergency. A CPU judges the condition of the vehicle relative to the object based on a detection ...


5
Heath Robert Boyson: Take-up spool latch. Rainsford Metal Products Proprietary, Chaskin Esq Jay L, September 10, 1974: US3834646 (57 worldwide citation)

A take-up spool latch for a seat belt retractor of the type comprising a spool journalled for rotataion in a spool frame and incorporating a torsion spring for retracting a seat belt,The latch having a clutch member and a brake member with means between them limiting relative movement, both the clut ...


6
Noboru Tsuge, Masahiro Taguchi: Automobile seat belt system with automatic unlocking function. Nippon Soken, Cushman Darby & Cushman, November 19, 1985: US04553625 (57 worldwide citation)

A seat belt system comprising a seat belt retractor, a seat belt, a tongue plate secured at an intermediate position of the seat belt, and a buckle which has a locking function and an unlocking function for the tongue plate. An actuator and its controller are provided for automatically actuating the ...


7
Richard L Frantom, William R Seitz, Walter F Datwyler Jr: Electrically adjusted safety restraint system. Allied Corporation, Russel C Wells, Markell Seitzman, April 7, 1987: US04655312 (55 worldwide citation)

A safety restraint system having a seat belt retractor actuated by an electric motor, a logic control responsive to the state of a buckle switch and the outputs of a motor current sensor, a motor terminal voltage sensor and a crash sensor for generating mode signals corresponding to the operational ...


8
Beller Herbert R: Safety seat belt retractor. Allied Chemical Corporation, June 26, 1973: US3741496 (53 worldwide citation)

A reel-type retractor for a safety belt incorporating an improved automatic locking device. The retractor is designed so that a driving member rotating in accordance with the reel, cooperates with a driven member to actuate a locking device, thus preventing further extension of the belt when the acc ...


9
Hiroaki Fujii: Seat belt system. Takata Corporation, Kanesaka & Takeuchi, April 16, 2002: US06374168 (48 worldwide citation)

A seat belt system is formed of a seat belt, a seat belt retractor, a tension controller for controlling tension on the seat belt by controlling the seat belt retractor, and a CPU for controlling the tension controller to obtain a desired tension. Connected to the CPU are a collision predictive devi ...


10
Ralf Ebner, John Grout, Volker Holzapfel, Albrecht Muller, Gunter Weyhmuller: Seat belt retractor. TRW Repa, Tarolli Sundheim Covell Tummino & Szabo, June 18, 1996: US05526996 (45 worldwide citation)

The seat belt retractor has a belt reel (12) rotatably mounted in a frame (10). A vehicle-sensitive latching mechanism includes a control disk (64) connected to the belt reel (12), rotation of which is lockable by means of the vehicle-sensitive inertial sensor (71, 71a, 73a, 75a). A belt tensioning ...