Abstract: A seat-belt retractor having a seat-belt spool and a drive device, both the seat-belt spool and the drive device being modular sub-assemblies and designed as a seat-belt spool module and a drive device module, and said seat-belt spool module and drive device module being interconnectable in different orientations relative to one another via a structural interface.

Abstract: A belt retractor (40) having a belt reel (14), a seat belt (12) which can be wound thereon to form a belt reel, and at least one first assembly, the first assembly being arranged coaxially with the axis of rotation of the belt reel (14) and in series with the belt reel (14). The belt retractor is especially adapted for mounting inside the frame member of a motor vehicle seat.

Abstract: A seat-belt retractor having a seat-belt spool and a drive device, both the seat-belt spool and the drive device being modular sub-assemblies and designed as a seat-belt spool module and a drive device module, and said seat-belt spool module and drive device module being interconnectable in different orientations relative to one another via a structural interface.

Abstract: A belt retractor (40) having a belt reel (14), a seat belt (12) which can be wound thereon to form a belt reel, and at least one first assembly, the first assembly being arranged coaxially with the axis of rotation of the belt reel (14) and in series with the belt reel (14). The belt retractor is especially adapted for mounting inside the frame member of a motor vehicle seat.

Abstract: A control method for an electric seatbelt retractor and an electric seatbelt retractor including a spindle (2) and a seatbelt (3) wound thereon, and an electric motor (4) driving the spindle (2) via a rotor (3) in pull-in or in pull-out direction when activated, and a sensor device (10) detecting the movement of the spindle (2), wherein a spring (11) is provided, which is arranged between the spindle (2) and the rotor (3) enabling a relative movement of the spindle (2) to the rotor (3) or to a retractor-fixed part, wherein the electric motor (4) is controlled by a signal of the sensor device (10) generated by the relative movement of the spindle (2) to the rotor (3) or a retractor-fixed part with torsional tensioning or expanding the spring (11).

Abstract: A control method for an electric seatbelt retractor and an electric seatbelt retractor including a spindle (2) and a seatbelt (3) wound thereon, and an electric motor (4) driving the spindle (2) via a rotor (3) in pull-in or in pull-out direction when activated, and a sensor device (10) detecting the movement of the spindle (2), wherein a spring (11) is provided, which is arranged between the spindle (2) and the rotor (3) enabling a relative movement of the spindle (2) to the rotor (3) or to a retractor-fixed part, wherein the electric motor (4) is controlled by a signal of the sensor device (10) generated by the relative movement of the spindle (2) to the rotor (3) or a retractor-fixed part with torsional tensioning or expanding the spring (11).

Abstract: A belt retractor including a self-orienting vehicle-acceleration-sensitive sensor device (18) including a belt shaft, and a first blocking device blocking the belt shaft in the belt extraction direction, which is controllable by the sensor device (18). The sensor device (18) includes a sensor housing (1) pivotable about a pivot axis (S), which is fixable with respect to the frame using a second blocking device (17). A contact surface (5) for an inertial mass is provided in the sensor housing (1).

Abstract: A seat belt retractor includes a belt shaft pivot-mounted in a retractor frame, wherein the belt shaft shows an at least two-part design with a first and a second part. A load limiting device includes at least two parts, which can be moved relative to each other and have teeth, with which they alternately engage and disengage. Each of the parts of the load limiting device is allocated to a different part of the belt shaft. A tensioning device is located on the second part of the belt shaft and, upon activation, abruptly drives the belt shaft in the winding direction. One of the parts of the load limiting device, via a transmission device, is connected in a rotationally-fixed manner to the second part of the belt shaft through the first part, which is a hollow shaft.

Abstract: A seat belt retractor includes a belt shaft pivot-mounted in a retractor frame, wherein the belt shaft shows an at least two-part design with a first and a second part. A load limiting device includes at least two parts, which can be moved relative to each other and have teeth, with which they alternately engage and disengage. Each of the parts of the load limiting device is allocated to a different part of the belt shaft. A tensioning device is located on the second part of the belt shaft and, upon activation, abruptly drives the belt shaft in the winding direction. One of the parts of the load limiting device, via a transmission device, is connected in a rotationally-fixed manner to the second part of the belt shaft through the first part, which is a hollow shaft.

Abstract: A belt retractor including a self-orienting vehicle-acceleration-sensitive sensor device (18) including a belt shaft, and a first blocking device blocking the belt shaft in the belt extraction direction, which is controllable by the sensor device (18). The sensor device (18) includes a sensor housing (1) pivotable about a pivot axis (S), which is fixable with respect to the frame using a second blocking device (17). A contact surface (5) for an inertial mass is provided in the sensor housing (1).

Abstract: A seat belt retractor (1) with a vehicle-sensitive, inertia sensor (4), and a blocking device to block belt extraction movement of a belt shaft (3) controllable by an inertia sensor (4). The inertia sensor (4) has a sensor housing (5) with a gearing (7) mounted to swivel, blocking element (10) coupled on the belt shaft (3), engages in the gearing (7) in a first position to fix the sensor housing (5) and swivels during a belt retraction movement from a first position into a second position where it does not engage in the gearing (7). A guide is provided in the form of a longitudinal recess (12) with a variable width. The blocking element (10) engages with a protrusion (14) in the recess (12) and during the rotation of the belt shaft (3) to cause relative movement in the longitudinal direction of the recess (12).

Abstract: A seat belt retractor with a switchable load limiting device for a safety belt of a motor vehicle with a belt shaft and a locking device which upon actuation locks the belt shaft in the belt extraction direction. The load limiting device is located in the force flow between the belt shaft and the locking device between the load limiting levels. A switching device is used for switching the load limiting device. The switching device includes a gas generator for releasing a gas flow into a pressure chamber and an expandable hollow pot which can be driven by the gas flow. The expandable hollow pot is attached to the gas generator in a gas-proof manner and forms the pressure chamber.

Abstract: A seat belt retractor (1) with a vehicle-sensitive, inertia sensor (4), and a blocking device to block belt extraction movement of a belt shaft (3) controllable by an inertia sensor (4). The inertia sensor (4) has a sensor housing (5) with a gearing (7) mounted to swivel, blocking element (10) coupled on the belt shaft (3), engages in the gearing (7) in a first position (I) to fix the sensor housing (5) and swivels during a belt retraction movement from a first position (I) into a second position (II) where it does not engage in the gearing (7). A guide is provided in the form of a longitudinal recess (12) with a variable width (B). The blocking element (10) engages with a protrusion (14) in the recess (12) and during the rotation of the belt shaft (3) to cause relative movement in the longitudinal direction of the recess (12).

Abstract: A seat belt retractor with a load limiting device and a tensioning device includes a two-part belt shaft with a first part (1), upon which the belt can be wound, and a second part (5), which can be locked in a vehicle-fixed manner in a frame (8) of the seat belt retractor. A tensioner drive wheel (6) for driving the seat belt retractor in the winding direction is located between the first (1) and the second part (5) of the belt shaft on a hollow cylindrical appendix (5a) of the second part (5) of the belt shaft, and the load limiting device (3) extends into the ring cylindrical appendix (5a) of the second part (5).

Abstract: A seat belt retractor with a switchable load limiting device for a safety belt of a motor vehicle with a belt shaft and a locking device which upon actuation locks the belt shaft in the belt extraction direction. The load limiting device is located in the force flow between the belt shaft and the locking device between the load limiting levels. A switching device is used for switching the load limiting device. The switching device includes a gas generator for releasing a gas flow into a pressure chamber and an expandable hollow pot which can be driven by the gas flow. The expandable hollow pot is attached to the gas generator in a gas-proof manner and forms the pressure chamber.

Abstract: Described is a belt tensioner for a seat belt having a belt retractor, a tensioner pinion (4) non-rotatably connected to the belt retractor, a tube (2) having a pyrotechnical gas generator arranged therein, and a plurality of mass bodies (6) driven by the pressure generated by the gas generator. The mass bodies (6) engage with the tensioner pinion (4) in a force transmitting manner and drive the belt retractor in the winding direction. A first and a second section (2a, 2b) of the tube (2) run parallel to each other. A third section (2c) with a curved course that projects out of the plane (E) connects the first and second sections, thereby creating a space (7) between the first, second and third sections (2a, 2b, 2c), for accommodating at least one of the mass bodies (6a, 6b).

Abstract: Described is a belt tensioner for a seat belt having a belt retractor, a tensioner pinion (4) non-rotatably connected to the belt retractor, a tube (2) having a pyrotechnical gas generator arranged therein, and a plurality of mass bodies (6) driven by the pressure generated by the gas generator. The mass bodies (6) engage with the tensioner pinion (4) in a force transmitting manner and drive the belt retractor in the winding direction. A first and a second section (2a, 2b) of the tube (2) run parallel to each other.. A third section (2c) with a curved course that projects out of the plane (E) connects the first and second sections, thereby creating a space (7) between the first, second and third sections (2a, 2b, 2c), for accommodating at least one of the mass bodies (6a, 6b).

Abstract: Disclosed is a seat belt retractor with a two-part belt shaft including a first part (1) of the belt shaft, upon which the safety belt (2) is wound, and a second part (5) of the belt shaft, which can be locked in a vehicle-fixed manner in relation to a housing (8) of the seat belt retractor. A load limiting device (3) is located between the first (1) and the second part (5) of the belt shaft. The first (1) and the second part (5) of the belt shaft axially overlap at least in sections, and a bearing ring (13) is provided in the overlapping area.

Abstract: A seat belt retractor with a load limiting device and a tensioning device includes a two-part belt shaft with a first part (1), upon which the belt can be wound, and a second part (5), which can be locked in a vehicle-fixed manner in a frame (8) of the seat belt retractor. A tensioner drive wheel (6) for driving the seat belt retractor in the winding direction is located between the first (1) and the second part (5) of the belt shaft on a hollow cylindrical appendix (5a) of the second part (5) of the belt shaft, and the load limiting device (3) extends into the ring cylindrical appendix (5a) of the second part (5).

Abstract: A safety belt roll-up mechanism is provided, and includes a force limitation device that operates in a multi-stage manner and has a two-stage torque rod and a pyrotechnically operating switching device that couples the torque rod, in various clamping lengths, with a belt shaft. The extent of the belt strap unwound from the belt shaft is utilized for actuation of the force limitation device. A ratchet wheel is connected to the belt shaft via a reduction gear mechanism. A portion of the periphery of the ratchet wheel has a toothing for engaging the reduction gear mechanism. A further portion of the periphery of the ratchet wheel has a switching contour that rests against a contact pin of an electric switch. The switching contour has a profile that effects the connection or disconnection of the switching device for the torque rod.