CN102717772A - Safety belt retractor - Google Patents
Safety belt retractor Download PDFInfo
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- CN102717772A CN102717772A CN2011100779322A CN201110077932A CN102717772A CN 102717772 A CN102717772 A CN 102717772A CN 2011100779322 A CN2011100779322 A CN 2011100779322A CN 201110077932 A CN201110077932 A CN 201110077932A CN 102717772 A CN102717772 A CN 102717772A
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- limit power
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Abstract
The invention provides a safety belt retractor which comprises a framework (10), a one-piece reeling shaft (22), a locking base (30) and a torsion bar (20). The torsion bar (20) is circumferentially fixed in a hollow part (220) of the one-piece reeling shaft (22). At least two force-limiting projections (231, 232) are disposed in an integrated manner on the one-piece reeling shaft (22), and at least two force-limiting indentations (251, 252) are disposed in the locking base (30). The force-limiting projections (231, 232) are respectively inserted in the corresponding force-limiting indentations (251, 252), and the force-limiting projections (231, 232) are respectively formed to have different shapes, positions and/or sizes, so the force-limiting projections (231, 232) can be cut off basically at the same time when the load applied to a passenger by a safety beat is greater than a preset load. The safety belt retractor is capable of limiting the load applied to the passenger to be lower than a certain amount, thereby well protecting the passenger.
Description
Technical field
The present invention relates to be used for the Webbing retractor of vehicle.
Background technology
Become known for the taking-up device with lock in emergency function of vehicle.Wherein, the safety strap of taking-up device is processed by the great syntheticfibres of intensity.After fastening one's safety belt, taking-up device is automatically with its tension.When vehicle contingency emergency braking, head-on crash occur or rolls; The occupant can make safety strap receive quick and fierce stretching; The lock in emergency function of taking-up device can be blocked safety strap in moment this moment, makes the occupant be close to seat, and it is outer or collide injured to avoid falling out car.
Along with the develop rapidly of vehicle industry in China, vehicle passive security also more and more receives much concern, and people require also increasingly high to the safety strap of one of vehicle important safety configuration.Webbing retractor generally includes framework, winding off spindle, safety strap and bracelet etc.During buckle in locking, safety strap is carried out protection to the occupant on the seat.When collision happens, the initial velocity of vehicle is being die-offed to zero in a flash, and consequent huge force of inertia will act directly on occupant's health.So big load will damage occupant's chest, even threat to life.
Summary of the invention
The present invention provides a kind of Webbing retractor for solving the not enough good technical problem of defencive function of conventional security Webbing retractor, and its load limit that can safety strap be put on the occupant is protected the occupant below a certain amount of well.
The present invention solves the problems of the technologies described above and adopts following technical scheme.
Webbing retractor; Wherein, Said Webbing retractor comprises framework, integral type winding off spindle, locking pedestal and torsion bar; Said framework have first parallel plate, second parallel plate and be connected said first parallel plate and said second parallel plate between diaphragm plate; Be respectively equipped with first gear hole and second gear hole on said first parallel plate and said second parallel plate; Said locking pedestal is provided with and is used for engaging the claw with the lock in emergency safety strap with said first gear hole, and said integral type winding off spindle has hollow bulb, and said torsion bar is placed in the said hollow bulb; And a side of said torsion bar and said integral type winding off spindle are circumferentially fixing; The opposite side of said torsion bar and said locking pedestal are circumferentially fixing, and it is protruding to be provided with at least two limit power integratedly on one in said integral type winding off spindle and the said locking pedestal, and another in said integral type winding off spindle and the said locking pedestal is provided with at least two limit power depressions; Each limit power convexity correspondingly is inserted in each limit power depression, and each limit power convex to form to having different shapes, position and/or size respectively so that the load that puts on the occupant at safety strap during greater than predetermined load each limit power convexity cut off simultaneously basically.
As optimal technical scheme of the present invention; In above-mentioned Webbing retractor; Said locking pedestal has first fixed orifice, distolateral second fixed orifice that is formed with of the said hollow bulb of said integral type winding off spindle, and an end of said torsion bar passes said first fixed orifice; And the part near this end of said torsion bar circumferentially is fixed in said first fixed orifice, and the other end of said torsion bar circumferentially is fixed in said second fixed orifice.
As optimal technical scheme of the present invention, in above-mentioned Webbing retractor, the cross-sectional plane of the part that said torsion bar cooperates with said first fixed orifice and said second fixed orifice is a hexagon.
As optimal technical scheme of the present invention; In above-mentioned Webbing retractor; Said integral type winding off spindle end is provided with the protruding and second limit power convexity of the first limit power integratedly; Correspondingly be provided with first limit power depression and second limit power depression on the said locking pedestal, the said first limit power convexity is inserted in said first limit power depression, and the said second limit power convexity is inserted in said second limit power depression.
As optimal technical scheme of the present invention, in above-mentioned Webbing retractor, said integral type winding off spindle has annular end wall, and said first limit power convexity and the said second limit power convexity all are arranged on the said annular end wall of said integral type winding off spindle.
As optimal technical scheme of the present invention, in above-mentioned Webbing retractor, said first limit power convexity and said second limit power convexity are protruding column, and said first limit power depression and said second limit power depression are manhole.
As optimal technical scheme of the present invention, in above-mentioned Webbing retractor, the protruding and said first limit power depression of said first limit power interference fit, the protruding and said second limit power depression of said second limit power interference fit.
As optimal technical scheme of the present invention; In above-mentioned Webbing retractor; The said second limit power convexity of the said first limit power convexity is more sturdy, and compares with the said second limit power convexity, and the said first limit power convexity is more near the said claw on the said locking pedestal.
As optimal technical scheme of the present invention, in above-mentioned Webbing retractor, to compare with the said second limit power convexity, the said first limit power convexity is radially more near the center of annular end wall.
As optimal technical scheme of the present invention, in above-mentioned Webbing retractor, the said first limit power is protruding asymmetric about the center of annular end wall with the said second limit power convexity.
Compare with traditional Webbing retractor, in Webbing retractor of the present invention, torsion bar is placed in the hollow bulb; And an end of torsion bar and integral type winding off spindle are circumferentially fixing; The other end of torsion bar is circumferentially fixing with the locking pedestal, and it is protruding to be provided with at least two limit power integratedly on one in integral type winding off spindle and the locking pedestal, and another in integral type winding off spindle and the locking pedestal is provided with at least two limit power depressions; Each limit power convexity correspondingly is inserted in each limit power depression; And each limit power convex to form to having different morphemes and/or size respectively so that the load that puts on the occupant at safety strap during greater than predetermined load each limit power convexity cut off simultaneously basically, thus, when vehicle is in an emergency; Claw engages with first gear hole, and the locking pedestal is by locking; Subsequently,, safety strap surpasses predefined value, so at least two protruding being cut off simultaneously of limit power if putting on occupant's load; At this moment; Relative rotation will take place with respect to the locking pedestal in winding off spindle; Relatively the rotational force that produced of rotation will make torsion bar is applied to the rotational force on the winding off spindle at safety strap effect generation torsional deflection down, and safety strap can be drawn out predefined amount, and the constrained force that makes safety strap be applied to passenger's body temporarily reduces slightly; Realize energy absorbing through the torsional deflection of torsion bar simultaneously, protect the occupant well.Especially should be noted that; The load that puts on the occupant at safety strap because each limit power convexes to form to having different morphemes and/or size respectively during greater than predetermined load each limit power convexity cut off simultaneously basically; So the ruined situation of pedestal can not take place for example to cause locking; Can guarantee that torsion bar absorbs energy, protects the occupant well.
In conjunction with the drawings, to the detailed description of specific embodiment of the present invention, can further understand other advantage of the present invention, characteristic and aspect below reading.
Description of drawings
Fig. 1 is the exploded drawings of the keystone configuration of Webbing retractor according to an embodiment of the invention;
Fig. 2 is the schematic cross sectional view of the keystone configuration of Webbing retractor among Fig. 1.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Specific embodiments of the invention is elaborated with reference to the accompanying drawings.Among this paper, same reference numerals is represented the same composition part.
As illustrated in fig. 1 and 2, the Webbing retractor of present embodiment comprises framework 10, integral type winding off spindle 22, locking pedestal 30 and torsion bar 20.Said framework 10 have first parallel plate 46, second parallel plate 44 and be connected said first parallel plate 46 and said second parallel plate 44 between diaphragm plate 45.Therefore, from a viewed, this framework 10 is roughly the U-shaped shape.Be respectively equipped with first gear hole 47 and second gear hole 43 on said first parallel plate 46 and said second parallel plate 44.First gear hole 47 is provided with a plurality of latches.
Integral type winding off spindle 22 is installed between first parallel plate 46 and second parallel plate 44 of framework 10.This winding off spindle 22 is roughly cylindrical.First gear hole 47 of the axle center of winding off spindle 22 and framework 10 and the center of second gear hole 43 be in-line in theory.One end of integral type winding off spindle 22 is positioned at second parallel plate, 46 ends of framework 10, and the other end of winding off spindle 22 is positioned at first parallel plate, 44 ends of framework 10.The safety strap of elongated, belt-shaped (not shown) is wrapped in the outer part of integral type winding off spindle 22 with layered mode.Winding off spindle 22 can rotate around its axle center under the effect of belt force.
Said locking pedestal 30 is provided with and is used for engaging the claw 1 with the lock in emergency safety strap with said first gear hole 47.The mechanism that orders about the action of claw 1 can adopt prior art, does not describe at this.
Said integral type winding off spindle 22 has hollow bulb 220.Said torsion bar 20 is placed in the said hollow bulb 220, and a side of said torsion bar 20 and said integral type winding off spindle 22 are circumferentially fixing, and the opposite side of said torsion bar 20 and said locking pedestal 30 are circumferentially fixed.That is, under the nonemergency after the installation, said torsion bar 20 can not rotate with respect to said integral type winding off spindle 22; Said torsion bar 20 can not rotate with respect to locking pedestal 30.
Particularly, said locking pedestal 30 has first fixed orifice 9.Said hollow bulb 220 distolateral second fixed orifices 11 that are formed with of said integral type winding off spindle 22.One end of said torsion bar 20 passes said first fixed orifice 9.And the part 24 near this end of said torsion bar 20 circumferentially is fixed in said first fixed orifice 9.The other end 21 of said torsion bar 20 circumferentially is fixed in said second fixed orifice 11.In the illustrated embodiment, the cross-sectional plane of the part (square head portion 21 and projected square part 24) that cooperates with said first fixed orifice 9 and said second fixed orifice 11 of said torsion bar 20 is a hexagon.
Wherein, an end of the torsion bar 20 of formation energy-absorbing buffering device is a square head portion 21.This square head portion 21 engages with second fixed orifice 11 (as shown in Figure 2) of winding off spindle 22, thereby an end of said torsion bar 20 and said integral type winding off spindle 22 are circumferentially fixed.On the other hand, the part 24 near an end of said torsion bar 20 of torsion bar 20 engage with first fixed orifice 9 of locking pedestal 30, thereby the other end of said torsion bar 20 and said locking pedestal 30 are circumferentially fixed.Wherein, the center of first gear hole 47 of the line of centers of the line of centers of the line of centers of torsion bar 20, locking pedestal 30, winding off spindle 22, framework 10 is located along the same line in theory.
In addition, it is protruding to be provided with at least two limit power integratedly in said integral type winding off spindle 22 and the said locking pedestal 30.In said integral type winding off spindle 22 and the said locking pedestal 30 another is provided with at least two limit power depressions; Each limit power convexity correspondingly is inserted in each limit power depression, and each limit power convex to form to having different shapes, position and/or size respectively so that the load that puts on the occupant at safety strap during greater than predetermined load each limit power convexity cut off simultaneously basically.Guarantee that each limit power convexity is cut off basically simultaneously, can guarantee the single-piece balance and stability of Webbing retractor.Thus, can not take place for example to cause locking the ruined situation of pedestal, can guarantee that torsion bar absorbs energy, protects the occupant well.Its reason is that the load that receives near claw 1 place is bigger, and is less away from the load that claw 1 place receives.Therefore, can realize that the protruding while of each limit power is cut off through each limit power being convexed to form for having different shapes, position and/or size respectively.
It should be noted that and comprise that each limit power convexes to form to having the situation of different shapes and size respectively, comprises that also each limit power convexes to form to having the different shapes and the situation of position respectively.And, among this paper, cut off simultaneously basically and be meant that the time phase difference cut off was less than front and back 0.2 second.
In the illustrated embodiment, said integral type winding off spindle 22 is provided with the protruding 231 and second limit power protruding 232 of the first limit power integratedly.Correspondingly be provided with first limit power depression, 251 and second limit power depression 252 on the said locking pedestal 30, the said first limit power protruding 231 is inserted in said first limit power depression 251, and the said second limit power protruding 232 is inserted in said second limit power depression 252.Certainly, that more limit power can be set is protruding for said integral type winding off spindle 22.
Preferably, said integral type winding off spindle 22 is formed with the protruding 231 and second limit power protruding 232 of the first limit power integratedly.Because each limit power convexity forms on the integral type winding off spindle 22 integratedly, so its mechanical strength is better.
Particularly, said integral type winding off spindle 22 has annular end wall 221, and the said first limit power protruding 231 all is arranged on the said annular end wall 221 of said integral type winding off spindle 22 with the said second limit power protruding 232.As shown in Figure 1, integral type winding off spindle 22 end faces are provided with two protruding 231 and second limit power protruding 232 of the protruding i.e. first limit power of columniform limit power.The diameter of the protruding 231 and second limit power protruding 232 of this first limit power is slightly larger than the diameter of first limit power depression, 251 and second limit power depression 252 respectively.Locking pedestal 30 caves in through this first limit power depression 251 and second limit power and 252 closely connects into integral type winding off spindle 22.And the axle center of locking pedestal 30 and integral type winding off spindle 22 is located along the same line in theory.Like this, protruding 231 and the second limit power protruding 232 of the first limit power of winding off spindle 22 do not turned round broken before, locking pedestal 30, integral type winding off spindle 22, torsion bar 20 formations one integral body have prevented relatively rotating between them.
When the safety strap of elongated, belt-shaped begins when far-end is pulled out, under the effect of safety strap pullout forces, the direction rotation that winding off spindle 22 beginning edges are opposite with the safety strap pull-out direction.When the pullout forces of the safety strap load limit that to be winding off spindle 22 turning forces (generation is applied to the twisting resistance of protruding 231 and the second limit power protruding 232 of the first limit power on the winding off spindle 22) born greater than protruding 231 and the second limit power protruding 232 of the first limit power, cut off basically by the while from its root for the protruding 231 and second limit power convexity 232 of the first limit power.At this moment, because torsion bar 20 distortion that can twist, so produced possible in relative rotation between the integral type winding off spindle 22, locking pedestal 25, torsion bar 20.Subsequently, safety strap will continue to drive 22 rotations of integral type winding off spindle.Because torsion bar 20 is circumferentially fixing through square head portion 21 and projected square part 24 and winding off spindle 22, locking pedestal 30, so integral type winding off spindle 22 makes torsion bar 20 distortion that twists, thus the absorption energy.
In the present embodiment, the said first limit power protruding 231 is protruding column with the said second limit power protruding 232, and said first limit power depression 251 is a manhole with said second limit power depression 252.And, the said first limit power protruding 231 and the said first limit power 251 interference fit that cave in, the said second limit power protruding 232 and the said second limit power 252 interference fit that cave in.
Preferably, the said first limit power protruding 231 is more sturdy than the said second limit power protruding 232, and compares with the said second limit power protruding 232, and the said first limit power protruding 231 is more near the said claw 1 on the said locking pedestal 30.In the present embodiment, the diameter of the said first limit power protruding 231 is bigger than the diameter of the said second limit power protruding 232.Its reason is that the load that receives near claw 1 place is bigger, so more should bear bigger load near the limit power convexity of the said claw 1 on the said locking pedestal 30, each limit power convexity can be cut off simultaneously thus.In addition, wherein, term " sturdy " refers to that promptly the cross-sectional area of the said first limit power protruding 231 is bigger than the cross-sectional area of the said second limit power protruding 232.
Wherein, compare with the said second limit power protruding 232, the said first limit power protruding 231 is preferably radially more the center near said annular end wall 221.And the said first limit power protruding 231 is preferably asymmetric about the center of said annular end wall 221 with the said second limit power protruding 232.Thus, when integral type winding off spindle 22 is fitted together with locking pedestal 30, can prevent the position setup error, accomplish assembling fast.
Compare with traditional Webbing retractor; In Webbing retractor of the present invention, torsion bar 20 is placed in the hollow bulb 220, and torsion bar 20 is circumferentially fixing with integral type winding off spindle 22 and locking pedestal 30; It is protruding to be provided with at least two limit power integratedly on one in integral type winding off spindle 22 and the locking pedestal 30; In integral type winding off spindle 22 and the locking pedestal 30 another is provided with at least two limit power depressions, and each limit power convexity correspondingly is inserted in each limit power depression, and each limit power convex to form to having different morphemes and/or size respectively so that the load that puts on the occupant at safety strap during greater than predetermined load each limit power convexity cut off simultaneously basically; Thus; When vehicle was in an emergency, claw 1 engaged with first gear hole 47, and locking pedestal 30 is by locking; Subsequently,, safety strap surpasses predefined value, so at least two protruding being cut off simultaneously of limit power if putting on occupant's load; At this moment; Relative rotation will take place with respect to locking pedestal 30 in winding off spindle 22; Relatively the rotational force that produced of rotation will make torsion bar 20 is applied to the rotational force on the integral type winding off spindle 22 at safety strap effect generation torsional deflection down, and safety strap can be drawn out predefined amount, and the constrained force that makes safety strap be applied to passenger's body temporarily reduces slightly; Realize energy absorbing through the torsional deflection of torsion bar 20 simultaneously, protect the occupant well.Especially should be noted that; The load that puts on the occupant at safety strap because each limit power convexes to form to having different morphemes and/or size respectively during greater than predetermined load each limit power convexity cut off simultaneously basically; So situation such as pedestal is destroyed or thrown away can not take place for example to cause locking; Can guarantee that torsion bar 20 absorbs energy, protects the occupant well.
Those skilled in the art know easily; The above is merely preferred embodiment of the present invention; Not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.Protection scope of the present invention is confirmed by claims.
Claims (10)
1. Webbing retractor; It is characterized in that; Said Webbing retractor comprises framework (10), integral type winding off spindle (22), locking pedestal (30) and torsion bar (20); Said framework (10) have first parallel plate (46), second parallel plate (44) and be connected said first parallel plate (46) and said second parallel plate (44) between diaphragm plate (45), be respectively equipped with first gear hole (47) and second gear hole (43) on said first parallel plate (46) and said second parallel plate (44), said locking pedestal (30) is provided with the claw (1) that is used for engaging with said first gear hole (47) with the lock in emergency safety strap; Said integral type winding off spindle (22) has hollow bulb (220); Said torsion bar (20) is placed in the said hollow bulb (220), and a side of said torsion bar (20) and said integral type winding off spindle (22) are circumferentially fixing, and the opposite side of said torsion bar (20) and said locking pedestal (30) are circumferentially fixed; Be provided with at least two limit power protruding (231 on one in said integral type winding off spindle (22) and the said locking pedestal (30) integratedly; 232), another in said integral type winding off spindle (22) and the said locking pedestal (30) is provided with at least two limit power depressions (251,252); Each limit power protruding (231; 232) correspondingly be inserted in each limit power depression (251,252), and each limit power protruding (231; 232) form have different shapes respectively, position and/or size so that the load that puts on the occupant at safety strap during greater than predetermined load each limit power protruding (231,232) cut off simultaneously basically.
2. Webbing retractor according to claim 1; It is characterized in that; Said locking pedestal (30) has first fixed orifice (9); Distolateral second fixed orifice (11) that is formed with of the said hollow bulb (220) of said integral type winding off spindle (22); One end of said torsion bar (20) passes said first fixed orifice (9), and circumferentially is fixed in said first fixed orifice (9) near the part (24) of this end of said torsion bar (20), and the other end (21) of said torsion bar (20) circumferentially is fixed in said second fixed orifice (11).
3. Webbing retractor according to claim 2 is characterized in that, the cross-sectional plane of the part that said torsion bar (20) cooperates with said first fixed orifice (9) and said second fixed orifice (11) is a hexagon.
4. Webbing retractor according to claim 1; It is characterized in that; Said integral type winding off spindle (22) is provided with first limit power protruding (231) and the second limit power protruding (232) integratedly; Correspondingly be provided with the first limit power depression (251) and second limit power depression (252) on the said locking pedestal (30), the said first limit power protruding (231) is inserted in said first limit power depression (251), and the said second limit power protruding (232) is inserted in said second limit power depression (252).
5. Webbing retractor according to claim 4; It is characterized in that; Said integral type winding off spindle (22) has annular end wall (221), and said first limit power protruding (231) and the said second limit power protruding (232) all are arranged on the said annular end wall (221) of said integral type winding off spindle (22).
6. Webbing retractor according to claim 5; It is characterized in that; Said first limit power protruding (231) and the said second limit power protruding (232) are protruding column, and said first limit power depression (251) and said second limit power depression (252) are manhole.
7. Webbing retractor according to claim 6; It is characterized in that; The said first limit power protruding (231) and said first limit power depression (251) interference fit, the said second limit power protruding (232) and said second limit power depression (252) interference fit.
8. according to each described Webbing retractor in the claim 4 to 7; It is characterized in that; The said first limit power protruding (231) is more sturdy than the said second limit power protruding (232); And compare with the said second limit power protruding (232), the said first limit power protruding (231) is more near the said claw (1) on the said locking pedestal (30).
9. Webbing retractor according to claim 8 is characterized in that, compares with the said second limit power protruding (232), and the said first limit power protruding (231) is radially more near the center of said annular end wall (221).
10. Webbing retractor according to claim 8 is characterized in that, the said first limit power protruding (231) is asymmetric about the center of said annular end wall (221) with the said second limit power protruding (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110077932.2A CN102717772B (en) | 2011-03-30 | 2011-03-30 | Safety belt retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110077932.2A CN102717772B (en) | 2011-03-30 | 2011-03-30 | Safety belt retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102717772A true CN102717772A (en) | 2012-10-10 |
| CN102717772B CN102717772B (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110077932.2A Active CN102717772B (en) | 2011-03-30 | 2011-03-30 | Safety belt retractor |
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| Country | Link |
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| CN (1) | CN102717772B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961761A (en) * | 1974-01-21 | 1976-06-08 | Hans Kolb Kg | Storage device for a safety belt |
| GB2293962A (en) * | 1994-10-14 | 1996-04-17 | Hs Tech & Design | Reel assembly for a safety belt of an automotive vehicle |
| US5678782A (en) * | 1994-12-27 | 1997-10-21 | Nsk Ltd. | Retractor having a clamp |
| US5794877A (en) * | 1996-02-16 | 1998-08-18 | Nsk Ltd. | Retractor for seat belt |
| US5895002A (en) * | 1997-02-17 | 1999-04-20 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Webbing retractor |
| DE20004674U1 (en) * | 2000-03-14 | 2000-08-03 | Trw Repa Gmbh | Belt retractor for a vehicle seat belt |
| US20020020776A1 (en) * | 2000-08-15 | 2002-02-21 | Tomonori Nagata | Webbing retractor |
| US20040056136A1 (en) * | 2002-09-25 | 2004-03-25 | Trw Occupant Restraint Systems Gmbh & Co. Kg | Force Limiter provided on a belt retractor |
| US20060163410A1 (en) * | 2004-03-31 | 2006-07-27 | Trw Automotive Gmbh | Belt retractor for a vehicle safety belt |
-
2011
- 2011-03-30 CN CN201110077932.2A patent/CN102717772B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961761A (en) * | 1974-01-21 | 1976-06-08 | Hans Kolb Kg | Storage device for a safety belt |
| GB2293962A (en) * | 1994-10-14 | 1996-04-17 | Hs Tech & Design | Reel assembly for a safety belt of an automotive vehicle |
| US5678782A (en) * | 1994-12-27 | 1997-10-21 | Nsk Ltd. | Retractor having a clamp |
| US5794877A (en) * | 1996-02-16 | 1998-08-18 | Nsk Ltd. | Retractor for seat belt |
| US5895002A (en) * | 1997-02-17 | 1999-04-20 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Webbing retractor |
| DE20004674U1 (en) * | 2000-03-14 | 2000-08-03 | Trw Repa Gmbh | Belt retractor for a vehicle seat belt |
| US20020020776A1 (en) * | 2000-08-15 | 2002-02-21 | Tomonori Nagata | Webbing retractor |
| US20040056136A1 (en) * | 2002-09-25 | 2004-03-25 | Trw Occupant Restraint Systems Gmbh & Co. Kg | Force Limiter provided on a belt retractor |
| US20060163410A1 (en) * | 2004-03-31 | 2006-07-27 | Trw Automotive Gmbh | Belt retractor for a vehicle safety belt |
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| Publication number | Publication date |
|---|---|
| CN102717772B (en) | 2015-05-13 |
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