Abstract: A seatbelt retractor for a seat belt device in a vehicle. The retractor including a frame and a spool. The spool is configured to be fixed to one end of a webbing which is wound around the spool. A pretensioner device configured to rotate the spool in response to an excessive acceleration of the vehicle. The pretensioner device comprises a power transmission element carried in a pretensioner tube that is driven by a piston located in the pretensioner tube. The pretensioner device includes a gas generator for driving the piston into the power transmission element. The pretensioner device includes a seal system that includes a stopper tube located in a downstream end of the pretensioner tube to create a stop location for the piston to prevent operating gas from exiting the end of the pretensioner tube.

Abstract: A seatbelt retractor for a seat belt device in a vehicle. The retractor including a frame and a spool. The spool is configured to be fixed to one end of a webbing which is wound around the spool. A pretensioner device configured to rotate the spool in response to an excessive acceleration of the vehicle. The pretensioner device comprises a power transmission element carried in a pretensioner tube that is driven by a piston located in the pretensioner tube. The pretensioner device includes a gas generator for driving the piston into the power transmission element. The pretensioner device includes a seal system that includes a stopper tube located in a downstream end of the pretensioner tube to create a stop location for the piston to prevent operating gas from exiting the end of the pretensioner tube.

Abstract: A pretensioner assembly for motor vehicle belt restraint systems is provided. The pretensioner assembly includes a tube in fluid communication with a gas generator and a driving element disposed therein that travels in a first direction in response to actuation of the gas generator. The tube includes a constriction disposed adjacent an exit of the tube. The constriction allows the driving element to pass but prevents a seal member disposed between the generator and the driving element from passing. The constriction provides backpressure on the seal member causing the seal member to expand radially outward. The system can also include a slug member disposed between the seal member and the driving element.

Abstract: A pretensioner assembly for motor vehicle belt restraint systems is provided. The pretensioner assembly includes a tube in fluid communication with a gas generator and a polymer rod disposed therein that travels in a first direction in response to actuation of the gas generator. The polymer rod is plastically deformable and engages a sprocket to rotate the sprocket in response to the travel of the rod, where rotation of the sprocket causes pretensioning. The rod has a non-constant cross-section along its length. The rod becomes locked after actuation to prevent travel in an opposite direction. The system further includes a seal member and slug member disposed between the rod and the gas generator, where the seal member is relatively flexible and the slug member is relatively hard.

Abstract: A pretensioner assembly for motor vehicle belt restraint systems is provided. The pretensioner assembly includes a tube in fluid communication with a gas generator and a driving element disposed therein that travels in a first direction in response to actuation of the gas generator. The tube includes a constriction disposed adjacent an exit of the tube. The constriction allows the driving element to pass but prevents a seal member disposed between the generator and the driving element from passing. The constriction provides backpressure on the seal member causing the seal member to expand radially outward. The system can also include a slug member disposed between the seal member and the driving element.

Abstract: A pretensioner assembly for motor vehicle belt restraint systems is provided. The pretensioner assembly includes a tube in fluid communication with a gas generator and a polymer rod disposed therein that travels in a first direction in response to actuation of the gas generator. The polymer rod is plastically deformable and engages a sprocket to rotate the sprocket in response to the travel of the rod, where rotation of the sprocket causes pretensioning. The rod has a non-constant cross-section along its length. The rod becomes locked after actuation to prevent travel in an opposite direction. The system further includes a seal member and slug member disposed between the rod and the gas generator, where the seal member is relatively flexible and the slug member is relatively hard.

Abstract: An anti-rattle tongue plate is provided that includes two different materials for being operably connected to the body of the tongue plate. One of the materials is softer than the other to minimize noise when the tongue plate engages against interior components of the vehicle such as during rough ride conditions. One of the materials is made into a distinct component for being operably connected to the tongue plate body. In this manner, the tongue plate herein eliminates at least one of the insert molds needed for prior over molded latch plates, thus providing manufacturing and cost efficiencies thereover.

Abstract: Seat belt retractors for spooling seat belts (webbings) include multiple independent torque transmission or absorbing systems. The seatbelt retractor comprises a webbing, a spool, a pinion, a pretensioner, at least one coupler pawl, and a locking mechanism including a lock base and a lock pawl. The at least one coupler pawl is positioned in a cavity in the spool. During a predetermined low acceleration event, the at least one coupler pawl pivots so that a portion of the at least one coupler pawl leaves the cavity and engages the lock base to load the lock base which is then prevented from rotating in a spool extracting direction by the locking pawl. When the pretensioner activates during a predetermined higher acceleration event, the pretensioner rotates the pinion in the webbing retraction direction to rotate the spool in the webbing retraction direction.

Abstract: A retractor for a vehicle seat belt includes a spool configured to rotate so that the seat belt may be wound and unwound from around the spool. The retractor also includes a torsion bar located within the spool. The retractor is configured so that the inner or outer members are selectively connected to a lock mechanism and so that during a first loading condition either the first end of the inner member or the first end of the outer member is fixed to the lock mechanism and during a second loading condition both of the first ends of the inner and outer members are connected to the lock mechanism.

Abstract: A seat belt retractor includes a spool, a pinion connected to the spool, and a rack. The rack includes a first portion having a first set of teeth and a second portion having a second set of teeth of a smaller width than the teeth of the first portion. The first set of teeth and the second set of teeth are configured to engage with the pinion of the seat belt retractor.

Abstract: Seat belt retractors for spooling seat belts (webbings) include multiple independent torque transmission or absorbing systems. The seatbelt retractor comprises a webbing, a spool, a pinion, a pretensioner, at least one coupler pawl, and a locking mechanism including a lock base and a lock pawl. The at least one coupler pawl is positioned in a cavity in the spool. During a predetermined low acceleration event, the at least one coupler pawl pivots so that a portion of the at least one coupler pawl leaves the cavity and engages the lock base to load the lock base which is then prevented from rotating in a spool extracting direction by the locking pawl. When the pretensioner activates during a predetermined higher acceleration event, the pretensioner rotates the pinion in the webbing retraction direction to rotate the spool in the webbing retraction direction.

Abstract: An anti-rattle tongue plate is provided that includes two different materials for being operably connected to the body of the tongue plate. One of the materials is softer than the other to minimize noise when the tongue plate engages against interior components of the vehicle such as during rough ride conditions. One of the materials is made into a distinct component for being operably connected to the tongue plate body. In this manner, the tongue plate herein eliminates at least one of the insert molds needed for prior over molded latch plates, thus providing manufacturing and cost efficiencies thereover.

Abstract: A seat belt height adjuster for anchoring a seat belt is provided in a preferred form with three relatively simple component parts comprising a slider, a rail, and a bent spring. One end of the slider is biased by the bent spring so that a portion of the slider is spaced from the rail and to position locking protrusions on the slider body into at least one opening in the rail to lock the height adjuster at the desired height position. To adjust the location of the slider along the rail, a pushing force on the one end of the slider compresses the spring and removes the locking protrusions from the rail opening thereby allowing sliding of the slider along the rail. The slider pivots about its other end which is engaging the rail. Upon release of the pushing force, the spring expands and biases the locking protrusion into a rail opening. The spring may be a simple V or U-shaped, leaf spring and the slider may be a single, integral piece of metal.

Abstract: A seat with a four point seat belt system includes first and second seatbelts, and first and second interlock mechanisms. The first seatbelt includes a shoulder portion and a lap portion. The second seatbelt includes a shoulder portion. A first interlock mechanism prevents latching of the second seatbelt into a buckle before latching of the first seatbelt into a buckle. A second interlock mechanism unlatches one of the first and second seatbelts from a buckle upon unlatching of the other of the first and second seatbelts from a buckle.

Abstract: A guide loop device for a seat belt of a vehicle includes a guide loop having an opening, a mounting stud, and a body. The opening is for receiving the seat belt. The mounting stud is attached to the guide loop and extends therefrom. The body has a substantially solid construction and a portion of the mounting stud is embedded therein.

Abstract: A low cost pretensioner is provided by using an ignitable charge and initiator integrated with a piston which is disposed in a cylindrical metal tube that has a common straight gas generation and piston travel bore so that a inexpensive metal tube rather than a complex casting can be used. A cable is connected at one end to the piston and passes through a cable deflection device having a locking device for locking the cable against travel in a reverse direction after tightening the seat belt system. The locking device may be an inexpensive, one-piece wedge-shaped clamping or gripping device which transfers the high tensile forces from the passenger's body pulling on the cable through the deflection device to a vehicle anchorage rather than through a locking device which is disposed within the cylinder tube which must have tube walls sufficiently strong to withstand such high tensile forces.

Abstract: A seat belt system, in one form, includes a buckle anchored along the side of the seat, a tongue slidably mounted on the seat belt for being latched in the buckle to define the shoulder and lap belt portions, and a retractor for pay in and pay out of the seat belt into and out from the retractor. The airbag is fixed to the tongue and configured for sliding along the seat belt so that with the tongue latched in the buckle the airbag extends along the same position irrespective of the size of the occupant. Alternatively, the airbag is fixed to a guide loop adjacent to the shoulder of the occupant and configured to allow for sliding of the seat belt relative thereto so that with the tongue latched in the buckle the airbag extends from the same position and across the occupant's torso irrespective of the size of the occupant.

Abstract: The disclosed presenter arm assembly can be used for presenting a seat belt to a vehicle occupant. The assembly can include a presenting arm with a pivoting base having an interior cavity and a shaft portion extending from the pivoting base and a seat belt guide attached to an end of the shaft portion for guiding a seat belt. The assembly can include a resilient member for biasing the presenting arm to extend at a predetermined angle and/or a viscous damper to ease the rotation of the presenting arm.

Abstract: An occupant restraint system with an illuminable portion and/or thermal source integrated therein.

Abstract: A seat belt retractor assembly has a seat belt retractor for generating a retraction force to rewind a seat belt on a reel. A coupling device selectively couples and decouples the retractor from the reel. A tensioning device generates a tensioning force in the seat belt when in an activated state. The coupling device decouples the retractor from the reel when the tensioning device is activated.