Safety belt retractor, safety belt assembly and vehicle

Abstract

The utility model provides a safety belt retractor, a safety belt assembly and a vehicle. The safety belt retractor comprises a machine frame, a clockwork spring assembly, a locking assembly and a reel assembly used for winding a safety belt, the two ends of the reel assembly penetrate through the machine frame to be combined with the clockwork spring assembly and the locking assembly respectively, and a braking part parallel to the axial direction of the reel assembly is rotationally connected to the machine frame so as to be suitable for braking the reel assembly; the locking assembly comprises a clamping tooth mechanism which is configured to be associated with the braking piece so as to be driven to drive the braking piece to rotate. The ratchet mechanism is configured to be switched between a storage state separated from the latch mechanism and an extending state combined with the latch mechanism; the vehicle sensing mechanism is configured to sense the driving state of the vehicle; according to the safety belt retractor, the latch mechanism, the ratchet wheel mechanism and the vehicle sensing mechanism are adopted and are associated and matched with the brake component, so that the safety belt can be locked and braked under different conditions, and the use safety of the safety belt retractor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a retractor technical field especially relates to a safety belt retractor, safety belt assembly and vehicle. BACKGROUND

[0002] The retractor is the core component of the automobile safety belt, has the function of emergency locking, can realize the locking of the safety belt when the automobile brakes, thereby fixing the passenger on the seat and protecting the passenger's ride safety.

[0003] The patent no. CN2813378Y discloses a retractor, including spherical sensitive mechanism, ratchet and retractor outer box, wherein, the retractor further includes electric control mechanism, the electric control mechanism includes drive mechanism, locking pawl, shaft and elastic element, the drive mechanism and elastic element are located at the one end of locking pawl away from ratchet respectively, and are fixed on the retractor outer box, the locking pawl is fixed on the outside of ratchet through shaft and can rotate around the shaft, the shaft is fixed on the retractor outer box, one end of elastic element is fixedly connected with the one end of locking pawl away from ratchet, and the other end is fixed on the retractor outer box.

[0004] The retractor in the above patent adopts the electric control mechanism to control the locking function of the safety belt, the response speed is slow, and when power off, will lose the effect, cannot brake, and there is a security risk, therefore need a kind of fast response, high reliability safety belt retractor to solve the existing problems. UTILITY MODEL CONTENTS

[0005] In order to solve the problems existing in the prior art, in the first aspect, the utility model provides a safety belt retractor, with the advantages of high reliability, fast response and good stability.

[0006] In the second aspect, the utility model further provides a safety belt assembly, which adopts the safety belt retractor described above, with the advantages of high reliability, fast response and good stability.

[0007] In the third aspect, the utility model further provides a vehicle, which adopts the safety belt assembly described above, with the advantages of high reliability, fast response and good stability.

[0008] In the first aspect, the utility model adopts the following technical scheme:

[0009] The utility model provides a safety belt reel, including machine frame, clockwork subassembly, locking assembly and be used for winding safety belt's reel subassembly, the both ends of reel subassembly respectively pass through machine frame and locking assembly and clockwork subassembly combination, the machine frame is rotatably connected with the brake member of reel subassembly's axial direction parallel arrangement, to be suitable for brake reel subassembly, locking assembly includes: the ratchet mechanism is configured to associate brake member, to drive brake member rotation, ratchet gear mechanism is configured to can be in a with ratchet mechanism separates the storage state and a with ratchet mechanism combines the state of extension between conversion, and car feeling mechanism is configured to can feel the driving state of vehicle, thereby by changing the motion state of ratchet mechanism drives brake member rotation,

[0010] Wherein, the ratchet mechanism is configured to follow reel subassembly rotation, when the safety belt pull speed exceeds the set speed, it can convert to the state of extension in the storage state, to drive the motion of ratchet mechanism.

[0011] Further, the ratchet mechanism includes: the pawl is configured to drive the motion of ratchet mechanism; inertia piece, which is rotatably coupled to the reel subassembly, and when the safety belt pull speed exceeds the set speed, can drive the pawl to convert to the state of extension by inertia, to drive the motion of ratchet mechanism; and retaining member, which is adapted to drive the pawl and inertia piece to rotate synchronously with the reel subassembly, and keep the pawl in the storage state.

[0012] Further, the inertia piece is configured as a rotating disc, the rotating disc has a guide slot for guiding the pawl to extend, and the pawl has a guide protrusion sliding along the guide slot.

[0013] Further, the pawl is configured as a V-shaped structure having a first arm portion and a second arm portion; wherein a connecting hole is provided between the first arm portion and the second arm portion to be connected with the retaining member; a distal end of the first arm portion away from the connecting hole is connected with the retaining member by a resilient member, and a claw portion is formed at a distal end of the first arm portion away from the connecting hole.

[0014] Further, the ratchet mechanism includes: a first gear adapted to be driven by the ratchet mechanism to drive the motion of the brake member; and a second gear configured to cooperate with the car feeling mechanism to drive the motion of the ratchet mechanism.

[0015] Further, the first gear is associated with the brake member by a dial assembly to drive the rotation of the brake member.

[0016] Further, the dial assembly comprises a dial and a reset spring, the dial is pivoted to the machine frame, the dial is provided with a combination protrusion movably connected with the first gear, one end of the reset spring is combined with the dial, and the other end is connected to the machine frame.

[0017] Further, the vehicle sensing mechanism comprises a fixing seat fixed to the machine frame, a vehicle sensing ball movably arranged on the fixing seat, and a vehicle sensing arm provided with a clamping end pivoted to the fixing seat and a cap cap covering the vehicle sensing ball, the cap is provided with a brake protrusion extending towards the ratchet mechanism.

[0018] In the second aspect, the utility model provides a safety belt assembly, including the safety belt retractor.

[0019] In the third aspect, the utility model provides a vehicle, including the safety belt assembly.

[0020] Due to the adoption of the above technical scheme, the utility model has the following technical effects:

[0021] The locking assembly in the application comprises a ratchet mechanism, a ratchet mechanism and a vehicle sensing mechanism, which can realize locking and braking of the safety belt in different situations through associated cooperation with the brake member, thereby improving the use safety of the safety belt retractor. In addition, the ratchet mechanism comprises a pawl, an inertial member and a retaining member, which is designed by mechanical structure, has good reliability and high stability, and can detect the rotation speed of the reel assembly and the safety belt in real time, thereby braking and locking, and responding quickly.

[0022] In addition, the ratchet assembly comprises a first gear and a second gear, wherein the ratchet mechanism and the vehicle sensing mechanism are associated with the first gear and the second gear, respectively, and are designed by a separate structure, which can reduce the wear condition of the first gear and the second gear, improve the service life, and adopt the above design to adopt different braking modes in different situations, thereby improving the response speed of the safety belt braking. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings of the embodiments will be briefly introduced below, and obviously, the drawings in the following description only relate to some embodiments of the utility model, but not limit the utility model.

[0024] Figure 1 is the structural schematic view of the safety belt retractor in the utility model.

[0025] Figure 2 is the exploded schematic view of the safety belt retractor in the utility model.

[0026] Figure 3 is the structure diagram of the reel assembly and the sealing assembly in the utility model.

[0027] Figure 4 is the sectional view of the safety belt retractor in the utility model.

[0028] Figure 5 is the side view of the locking assembly in the safety belt retractor in the utility model.

[0029] Figure 6 is the exploded view of the ratchet mechanism in the safety belt retractor in the utility model.

[0030] Figure 7 is the schematic view of another view of the inertial part and the pawl in the safety belt retractor in the utility model.

[0031] Figure 8 is the schematic view of the vehicle sensing mechanism and the dial mechanism in the safety belt retractor in the utility model.

[0032] Figure 9 is the structure schematic view of the machine frame in the safety belt retractor in the utility model.

[0033] Explanation of reference numerals: 10-machine frame; 11-first shaft hole; 12-second shaft hole; 20-spring assembly; 21-second bottom plate; 22-second outer shell; 23-spring; 30-locking assembly; 31-first bottom plate; 32-first outer shell; 33-click mechanism; 331-first gear; 3311-avoidance groove; 332-second gear; 34-ratchet mechanism; 341-pawl; 3411-first arm part; 3412-second arm part; 3413-connection hole; 3414-claw part; 3415-guiding protrusion; 342-inertial part; 3421-guiding groove; 343-retaining part; 345-elastic part; 35-vehicle sensing mechanism; 351-fixed seat; 352-vehicle sensing ball; 353-vehicle sensing arm; 354-braking protrusion; 40-reel assembly; 41-reel; 42-reel belt wheel; 50-sealing assembly; 51-first sealing part; 52-second sealing part; 60-dial assembly; 61-dial; 62-return spring; 63-combination protrusion; 64-pulling connecting part; 7-safety belt; 8-braking part. DETAILED DESCRIPTION

[0034] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the present application will be further described in detail below with reference to the drawings. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of the present application.

[0035] It should be noted that like numerals and letters refer to like items throughout the accompanying drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0036] Unless otherwise defined, technical terms or scientific terms used in the present patent document should be understood as the common meanings to those of ordinary skill in the art to which the present application belongs. The terms "first", "second", and similar terms used in the present patent specification and claims are not intended to denote any order, quantity, or importance, but are only used to distinguish different components. Similarly, the terms "one", "an", or "the" and similar terms do not denote a quantity limitation, but mean that at least one exists. The terms "include" or "contain" and similar terms mean that the elements or objects appearing before "include" or "contain" cover the elements or objects listed after "include" or "contain" and their equivalents, and do not exclude other elements or objects. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are only used to indicate relative positional relationships, which may change accordingly when the absolute positions of the described objects change, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mount", "connect", and "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0038] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The features in the following embodiments can be combined with each other without conflict.

[0039] Please refer to Figures 1 to 9As shown, please refer to Figures 1 to 9 As shown, the utility model provides a safety belt winder, including machine frame 10, clockwork assembly 20, locking assembly 30 and be used for winding safety belt 7's reel assembly 40, machine frame 10 has the first axle hole 11 and the second axle hole 12 of left and right interval arrangement, wherein clockwork assembly 20 and locking assembly 30 are arranged respectively at both sides of machine frame 10, both ends of reel assembly 40 respectively pass through the first axle hole 11 and the second axle hole 12 and are combined with clockwork assembly 20 and locking assembly 30, machine frame 10 is rotatably connected with the brake 8 that is parallel with the axial direction of reel assembly 40 is arranged, to be suitable for brake reel assembly 40.

[0040] As Figures 1-2 And Figure 9 As shown, reel assembly 40 includes reel 41 and the reel belt wheel 42 of setting on reel 41, reel belt wheel 42 is connected with reel assembly 40 through pattern tooth, to make reel belt wheel 42 and reel assembly 40 synchronous motion, further, safety belt 7 is wound on reel belt wheel 42, wherein, both sides of reel belt wheel 42 are configured with the gear teeth that are adapted to brake 8, thereby brake 8 is used to jam the rotation of reel belt wheel 42 and reel 41, further limit the pulling of safety belt 7, provides safety protection for the driver and passenger.

[0041] Locking assembly 30 includes first bottom plate 31, first shell 32, card tooth mechanism 33, ratchet mechanism 34 and car sensing mechanism 35, the accommodating space suitable for accommodating card tooth mechanism 33, ratchet mechanism 34 and car sensing mechanism 35 are defined between first bottom plate 31 and first shell 32. Wherein, card tooth mechanism 33 is configured to be associated with brake 8, to drive brake 8 to rotate; ratchet mechanism 34 is configured to be able to convert between a storage state separated from card tooth mechanism 33 and an extension state combined with card tooth mechanism 33; car sensing mechanism 35 is configured to be able to feel the driving state of vehicle, thereby changing the motion state of card tooth mechanism 33 to drive brake 8 to rotate; wherein, ratchet mechanism 34 is configured to be able to follow reel assembly 40 rotation, when the pulling speed of safety belt 7 exceeds the set speed, it can convert to the extension state in the storage state, to drive card tooth mechanism 33 to move, thereby linkage brake 8 rotates, limit the pulling of safety belt 7.

[0042] Further, as Figure 5 And Figure 6As shown, the ratchet mechanism 34 includes an inertial member 342, a pawl 341, a retaining member 343, and a resilient member 345, wherein the pawl 341 is configured to be driven to rotate the catch mechanism 33; the inertial member 342 is rotationally coupled to the reel assembly 40 and is configured to drive the pawl 341 to rotate to the extended state by inertia when the speed of the safety belt 7 exceeds a set speed, so as to drive the catch mechanism 33 to rotate; and the retaining member 343 is configured as a swing lever structure, so as to drive the pawl 341 and the inertial member 342 to rotate synchronously with the reel assembly 40 and retain the pawl 341 in the stowed state. Specifically, the inertial member 342 is configured as a rotating disc having a guide groove 3421 for guiding the pawl 341 to extend, and the pawl 341 has a guide protrusion 3415 sliding along the guide groove 3421, so as to guide the pawl 341 to extend and drive the catch mechanism 33 to move to brake the reel assembly 40 by the brake member 8; the pawl 341 is configured as a V-shaped structure having a first arm portion 3411 and a second arm portion 3412, wherein a connecting hole 3413 is arranged between the first arm portion 3411 and the second arm portion 3412, so as to be connected with the retaining member 343, the retaining member 343 has a connecting column embedded into the connecting hole 3413, and the first arm portion 3411 is connected with the retaining member 343 by a resilient member 345 at an end away from the connecting hole 3413, and the first arm portion 3411 has a claw portion 3414 formed at an end away from the connecting hole 3413. When the reel 41 rotates with the pulling of the safety belt 7, the retaining member 343 is driven to rotate, the retaining member 343 drives the pawl 341 to rotate through the connecting column, the connecting hole 3413, and the resilient member 345, and the pawl 341 drives the inertial rotating disc to rotate through the guide groove 3421 and the guide protrusion 3415, so that the ratchet mechanism 34 rotates as a whole, and the retaining member 343 has a protrusion covering the second arm portion 3412 of the pawl 341, so as to ensure the stability of the pawl 341 during rotation. When the safety belt 7 is pulled at a speed exceeding a set speed, in this embodiment, when the safety belt 7 is pulled out quickly, for example, when the acceleration is greater than a set value, the inertial rotating disc is accelerated to rotate by inertia, so as to drive the pawl 341 to slide and extend, and then drive the catch mechanism 33 to restrict the rotation of the reel 42 in association with the brake member 8, so that the safety belt 7 is locked and cannot be pulled out, thereby protecting the driver and passenger. When the user slows down the pulling speed of the safety belt 7, the pawl 341 is reset by the resilient member 345, and the safety belt 7 can be pulled out normally. It should be noted that the resilient member 345 can be a tension spring.

[0043] The tooth mechanism 33 comprises coaxially arranged first gear 331 and second gear 332, wherein the first gear 331 is configured as a gear disc with internal teeth, which is adapted to be driven by the ratchet mechanism 34 to drive the brake 8 to move; the second gear 332 is configured as a gear ring with external teeth, which is configured to cooperate with the vehicle sensing mechanism 35 to drive the ratchet mechanism 34 to move; specifically, the inner side wall of the second gear 332 is configured with elastic clamping members to be fixed with the inertia rotating disc, so that when the ratchet mechanism 34 rotates following the rotating shaft 41, the second gear 332 rotates synchronously, when the vehicle sensing mechanism 35 senses that the vehicle is suddenly stopped, collides or other unexpected conditions occur during driving, the second gear 332 is braked, thereby driving the first gear 331 and the brake 8 to move to fix the safety belt. Preferably, a dial assembly 60 is further included, the first gear 331 is associated with the brake 8 through the dial assembly 60 to drive the brake 8 to rotate; the dial assembly 60 comprises a dial 61 and a return spring 62, the dial 61 is pivoted to the machine frame 10, and the dial 61 is provided with a combination protrusion 63 movably connected with the first gear 331, one end of the return spring 62 is combined with the dial 61, and the other end is connected to the machine frame 10. In this embodiment, the machine frame 10 is fixed with a pull member 64, and the other end of the return spring 62 is connected to the machine frame 10 through the pull member 64. The pull member 64 is arranged at a position such that when the dial 61 moves, it acts on the return spring 62 substantially along the axial direction of the return spring 62, so that when the return spring 62 provides a return force, the force is reliable. One end of the brake 8 penetrates through the machine frame 10 and is fixed to the dial 61, when the pawl 341 extends, the claw portion 3414 is clamped into the toothed groove of the first gear 331, thereby driving the first gear 331 to rotate, and further driving the dial 61 to rotate, thereby driving the brake 8 to rotate, and realizing the locking function of the winding wheel assembly and the safety belt 7.

[0044] Further, the vehicle sensing mechanism 35 comprises a fixed seat 351 fixed to the machine frame 10, a vehicle sensing ball 352 movably arranged on the fixed seat 351, the fixed seat 351 having a recess matched with the vehicle sensing ball 352 to limit the movement of the vehicle sensing ball 352, and a vehicle sensing arm 353 having a clamping end pivoted to the fixed seat 351 and a cap clamped on the vehicle sensing ball 352, the cap having a stop protrusion 354 extending towards the clamping tooth mechanism 33; the clamping tooth mechanism 33 has an avoiding slot 3311 through which the stop protrusion 354 passes, preferably, the circumferential sidewall of the first gear 331 is formed with the avoiding slot 3311. When the vehicle sensing mechanism 35 senses that the vehicle is suddenly stopped or collides in the driving process, preferably, when the deceleration acceleration is greater than 0.45G or the inclination angle of the retractor is greater than 27°, the vehicle sensing ball 352 is affected by inertia or inclination angle and moves, thereby driving the cap of the vehicle sensing arm 353 to move upwards, and then the stop protrusion 354 passes through the avoiding slot 3311 and abuts against the outer tooth groove of the second gear 332, at this time, the second gear 332 is interfered by the stop protrusion 354 and stops rotating, at this time, under the action of inertia, the ratchet mechanism 34 quickly switches to the extended state, thereby engaging with the inner teeth of the first gear 331 and driving the first gear 331 to rotate, thereby braking the retractor assembly 40 by the brake 8 and fixing the passengers on the seat, ensuring the safety of the passengers.

[0045] Further, in order to improve the sand prevention effect of the retractor, one end of the retractor assembly 40 passes through the first shaft hole 11 and is combined with the locking assembly 30, and the other end passes through the second shaft hole 12 and is combined with the clockwork assembly 20; the first shaft hole 11 and the second shaft hole 12 are both provided with a sealing assembly 50 to prevent sand from flowing into the locking assembly 30 and the clockwork assembly 20; the sealing assembly 50 comprises a first sealing member 51 and a second sealing member 52 arranged in sequence in the axial direction of the retractor assembly 40, the first sealing member 51 is arranged on the inner side of the retractor assembly 40 located in the machine frame 10, and the second sealing member 52 is arranged on the outer side of the retractor assembly 40 extending out of the machine frame 10, so that double sealing can be simultaneously performed on the inner and outer sides of the first shaft hole 11 and the second shaft hole 12, respectively, and the sand prevention effect is improved.

[0046] As Figure 2 and Figure 4As shown, the clockwork assembly 20 comprises a second bottom plate 21, a second housing 22 and a clockwork 23, the second bottom plate 21 is fixed to the other side of the machine frame 10, the second housing 22 is fixed to the outer side of the second bottom plate 21 and forms a cavity suitable for accommodating the clockwork 23 between the two, the other end of the reel assembly 40 is connected with the clockwork 23 through the second bottom plate 21, and the sealing assembly 50 is arranged between the second bottom plate 21 and the machine frame 10; Similarly, the side wall of the second bottom plate 21 opposite to the second shaft hole 12 is also provided with a second sealing cavity, and the second sealing member 52 is correspondingly arranged in the second sealing cavity, so that the sealing performance at the second shaft hole 12 is further improved, and the sand prevention effect is good; one end of the clockwork 23 is combined with one end of the reel 41 through a clockwork end shaft, so as to store energy and then retract the safety belt 7.

[0047] In addition, the utility model provides a safety belt assembly, including the safety belt winder as described above, through using above -mentioned safety belt winder, can improve the braking locking effect of safety belt 7, and the reliability is good.

[0048] In another aspect, the utility model also provides a vehicle, including the safety belt assembly as described above, and the reliability is good.

[0049] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of the change or replacement within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be the protection scope of claims.

Claims

1. A seat belt retractor comprising a housing frame, a clockwork assembly, a locking assembly, and a spool assembly for winding a seat belt, characterized in that, Two ends of the reel assembly are respectively combined with the machine frame and the clockwork assembly and locking assembly, the machine frame is rotationally connected with a brake member arranged in parallel with the axial direction of the reel assembly, so as to brake the reel assembly; the locking assembly comprises: a pawl mechanism configured to associate the brake member to drive the brake member to rotate; a ratchet mechanism configured to be able to switch between a retracted state separated from the pawl mechanism and an extended state combined with the pawl mechanism; and a vehicle sensing mechanism configured to be able to sense the driving state of the vehicle, so as to drive the brake member to rotate by changing the motion state of the pawl mechanism; wherein the ratchet mechanism is configured to follow the rotation of the reel assembly, and when the safety belt pulling speed exceeds the set speed, it can switch from the retracted state to the extended state to drive the pawl mechanism to move.

2. The seat belt retractor of claim 1 wherein, The ratchet mechanism comprises: a pawl configured to drive the pawl mechanism to rotate; an inertial member rotationally combined with the reel assembly, and when the safety belt pulling speed exceeds the set speed, it can drive the pawl to switch to the extended state by inertia to drive the pawl mechanism to rotate; and a retaining member adapted to drive the pawl and the inertial member to rotate synchronously with the reel assembly, and keep the pawl in the retracted state.

3. The seat belt retractor of claim 2 wherein, The inertial member is a rotating disc, the rotating disc has a guide groove for guiding the pawl to extend, and the pawl has a guide protrusion sliding along the guide groove.

4. The seat belt retractor of claim 2 wherein, The pawl is configured in a V-shaped structure having a first arm portion and a second arm portion; wherein a connecting hole is provided between the first arm portion and the second arm portion to be connected with the retaining member; wherein the first arm portion is connected with the retaining member by a resilient member at an end away from the connecting hole, and a claw portion is formed at an end of the first arm portion away from the connecting hole.

5. The seat belt retractor of claim 1 wherein, The pawl mechanism comprises: a first gear adapted to be driven by the ratchet mechanism to drive the brake member to move; and a second gear configured to cooperate with the vehicle sensing mechanism to move the ratchet mechanism.

6. The seat belt retractor of claim 5 wherein, Further comprising a dial assembly, the first gear is associated with the brake member through the dial assembly to drive the brake member to rotate.

7. The seat belt retractor of claim 6 wherein, The dial assembly comprises a dial and a return spring, the dial is pivoted to the machine frame, the dial has a combination protrusion movably connected with the first gear, one end of the return spring is combined with the dial, and the other end is connected to the machine frame.

8. The seat belt retractor of claim 1 wherein, The vehicle sensing mechanism comprises: a fixed seat fixed to the machine frame; a vehicle sensing ball movably arranged on the fixed seat; and a vehicle sensing arm having a clamping end pivoted to the fixed seat and a cap covering the vehicle sensing ball, the cap has a brake protrusion extending towards the pawl mechanism; wherein the pawl mechanism has an avoidance slot for the brake protrusion to pass through.

9. A seat belt assembly characterized by, A seat belt retractor as claimed in any one of claims 1-8.

10. A vehicle characterized by comprising: A seat belt assembly as claimed in claim 9.

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