CN102717772B - Safety belt retractor - Google Patents
Safety belt retractor Download PDFInfo
- Publication number
- CN102717772B CN102717772B CN201110077932.2A CN201110077932A CN102717772B CN 102717772 B CN102717772 B CN 102717772B CN 201110077932 A CN201110077932 A CN 201110077932A CN 102717772 B CN102717772 B CN 102717772B
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- limiter
- projection
- spindle
- torsion bar
- integral type
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- 238000004804 winding Methods 0.000 claims description 65
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 55
- 210000000078 claw Anatomy 0.000 claims description 13
- 238000007373 indentation Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Landscapes
- Automotive Seat Belt Assembly (AREA)
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 the Webbing retractor for 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 made up of the syntheticfibres of intensity maximum.After fastening one's safety belt, taking-up device is strained automatically.When vehicle just in case when occurring emergency braking, head-on crash or rolling occurs, occupant can make safety strap be subject to quick and fierce stretching, the lock in emergency function of taking-up device can block safety strap instantaneously this moment, makes occupant be close to seat, avoids falling out outside car or collides injured.
Along with automobile industry is in the develop rapidly of China, vehicle passive security also more and more receives much concern, and the safety strap of people to one of vehicle important safety configuration requires also more and more higher.Webbing retractor generally includes framework, winding off spindle, safety strap and bracelet etc.During buckle in locking, safety strap carries out protection to the occupant on 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 and go up.So large load will damage occupant's chest, even threat to life.
Summary of the invention
The present invention solves the defencive function of conventional security Webbing retractor technical matters good not, provides a kind of Webbing retractor, and its load limit that safety strap can be put on occupant below a certain amount of, protects occupant well.
The present invention solves the problems of the technologies described above by the following technical solutions.
Webbing retractor, wherein, described Webbing retractor comprises framework, integral type winding off spindle, locking pedestal and torsion bar, described framework has the first parallel plate, second parallel plate and the diaphragm plate be connected between described first parallel plate and described second parallel plate, described first parallel plate and described second parallel plate are respectively equipped with the first gear hole and the second gear hole, described locking pedestal is provided with for engaging with the claw of lock in emergency safety strap with described first gear hole, described integral type winding off spindle has hollow bulb, described torsion bar is placed in described hollow bulb, and the side of described torsion bar and described integral type winding off spindle circumference are fixed, the opposite side of described torsion bar and described locking pedestal circumference are fixed, one in described integral type winding off spindle and described locking pedestal is provided with at least two limiter projections integratedly, another in described integral type winding off spindle and described locking pedestal is provided with at least two limiters depressions, each limiter projection is correspondingly inserted in each limiter depression, and each limiter convexes to form as having different shapes respectively, when position and/or size are to make the load putting on occupant at safety strap be greater than predetermined load, each limiter projection is cut off substantially simultaneously.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, described locking pedestal has the first fixed orifice, the described hollow bulb side of described integral type winding off spindle is formed with the second fixed orifice, one end of described torsion bar passes described first fixed orifice, and being fixed on described first fixed orifice near the part circumference of this end of described torsion bar, the other end circumference of described torsion bar is fixed on described second fixed orifice.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, the cross-sectional plane of the part that described torsion bar coordinates with described first fixed orifice and described second fixed orifice is hexagon.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, described integral type winding off spindle end is provided with the first limiter projection and the second limiter projection integratedly, described locking pedestal is correspondingly provided with the first limiter depression and the second limiter depression, described first limiter projection is inserted in described first limiter depression, and described second limiter projection is inserted in described second limiter depression.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, described integral type winding off spindle has annular end wall, and described first limiter is protruding and described second limiter is protruding is all arranged on the described annular end wall of described integral type winding off spindle.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, described first limiter projection and described second limiter projection are protruding column, and described first limiter depression and described second limiter depression are manhole.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, the protruding interference fit that cave in described first limiter of described first limiter, protruding and described second limiter of described second limiter caves in interference fit.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, described in described first limiter convexity, the second limiter projection is more sturdy, and compared with described second limiter projection, described first limiter is protruding closer to the described claw on described locking pedestal.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, compared with described second limiter projection, described first limiter is protruding radially closer to the center of annular end wall.
As the preferred technical solution of the present invention, in above-mentioned Webbing retractor, described first limiter is protruding and described second limiter is protruding asymmetric about the center of annular end wall.
Compared with traditional Webbing retractor, in Webbing retractor of the present invention, torsion bar is placed in hollow bulb, and one end of torsion bar and integral type winding off spindle circumference are fixed, the other end of torsion bar is fixing with locking pedestal circumference, integral type winding off spindle and in locking pedestal are provided with at least two limiter projections integratedly, another in integral type winding off spindle and locking pedestal is provided with at least two limiters depression, each limiter projection is correspondingly inserted in each limiter depression, and each limiter convexes to form as when having different morphemes and/or size respectively to make the load putting on occupant at safety strap be greater than predetermined load, each limiter projection is cut off substantially simultaneously, thus, when vehicle is in an emergency, claw engages with the first gear hole, locking pedestal is by locking, subsequently, if the load that safety strap puts on occupant exceedes the value preset, cut off the while that so at least two limiters being protruding, now, relative rotation will be there is in winding off spindle relative to locking pedestal, this rotates the rotational force produced relatively will make torsion bar, under safety strap is applied to the effect of the rotational force on winding off spindle, torsional deflection occur, safety strap can be drawn out the amount preset, the constrained force making safety strap be applied to passenger's body temporarily reduces slightly, realize energy absorbing by the torsional deflection of torsion bar simultaneously, protect occupant well.Especially should be noted that; because each limiter convexes to form as when having different morphemes and/or size respectively to make the load putting on occupant at safety strap be greater than predetermined load, each limiter projection is cut off substantially simultaneously; so can not occur such as to cause locking the destroyed situation of pedestal; can ensure that torsion bar absorbs energy, protect occupant well.
In conjunction with the drawings, read the following detailed description to specific embodiments of the invention, other advantage of the present invention, feature and aspect can be understood further.
Accompanying drawing explanation
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 in Fig. 1.
Detailed description of the invention
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to the accompanying drawings the specific embodiment of the present invention is described in detail.Herein, same reference numerals represents same composition part.
As illustrated in fig. 1 and 2, the Webbing retractor of the present embodiment comprises framework 10, integral type winding off spindle 22, locking pedestal 30 and torsion bar 20.The diaphragm plate 45 that described framework 10 has the first parallel plate 46, second parallel plate 44 and is connected between described first parallel plate 46 and described second parallel plate 44.Therefore, from an angle views, this framework 10 is roughly U-shape.Described first parallel plate 46 and described second parallel plate 44 are respectively equipped with the first gear hole 47 and the second gear hole 43.First gear hole 47 is provided with multiple latch.
Integral type winding off spindle 22 is arranged between the first parallel plate 46 of framework 10 and the second parallel plate 44.This winding off spindle 22 is roughly cylindrical.On the center theory of the axle center of winding off spindle 22 and the first gear hole 47 of framework 10 and the second gear hole 43 point-blank.One end of integral type winding off spindle 22 is positioned at the second parallel plate 46 end of framework 10, and the other end of winding off spindle 22 is positioned at the first parallel plate 44 end of framework 10.The safety strap (not shown) of elongated, belt-shaped is wrapped in the peripheral rim portion of integral type winding off spindle 22 in a hierarchical manner.Winding off spindle 22 can rotate around its axle center under the effect of belt force.
Described locking pedestal 30 is provided with the claw 1 for engaging with described first gear hole 47 with lock in emergency safety strap.The mechanism ordering about the action of claw 1 can adopt prior art, does not describe at this.
Described integral type winding off spindle 22 has hollow bulb 220.Described torsion bar 20 is placed in described hollow bulb 220, and the side of described torsion bar 20 and described integral type winding off spindle 22 circumference are fixed, and the opposite side of described torsion bar 20 and described locking pedestal 30 circumference are fixed.That is, under nonemergency after mounting, described torsion bar 20 can not rotate relative to described integral type winding off spindle 22; Described torsion bar 20 can not rotate relative to locking pedestal 30.
Specifically, described locking pedestal 30 has the first fixed orifice 9.Described hollow bulb 220 side of described integral type winding off spindle 22 is formed with the second fixed orifice 11.One end of described torsion bar 20 passes described first fixed orifice 9.And be fixed on described first fixed orifice 9 near part 24 circumference of this end of described torsion bar 20.The other end 21 circumference of described torsion bar 20 is fixed on described second fixed orifice 11.In the illustrated embodiment, the cross-sectional plane of part (square head portion 21 and projected square part 24) that described torsion bar 20 coordinates with described first fixed orifice 9 and described second fixed orifice 11 is hexagon.
Wherein, the one end forming the torsion bar 20 of energy-absorbing buffer device is square head portion 21.Second fixed orifice 11(of this square head portion 21 and winding off spindle 22 is as shown in Figure 2) engage, thus make one end of described torsion bar 20 and described integral type winding off spindle 22 circumference fixing.On the other hand, the part 24 of one end of the close described torsion bar 20 of torsion bar 20 engages with the first fixed orifice 9 of locking pedestal 30, thus the other end of described torsion bar 20 and described locking pedestal 30 circumference are fixed.Wherein, the center theory of the line of centers of torsion bar 20, the locking line of centers of pedestal 30, the line of centers of winding off spindle 22, the first gear hole 47 of framework 10 is located along the same line.
Torsion bar 20 can according to being applied thereto the torque load of the predetermined load be equal to or greater than and the distortion that twists.As shown in Figure 1, between the square head portion 21 that has of torsion bar 20 and projected square part 24 be cylinder.
In addition, one in described integral type winding off spindle 22 and described locking pedestal 30 is provided with at least two limiter projections integratedly.Another in described integral type winding off spindle 22 and described locking pedestal 30 is provided with at least two limiters depressions, each limiter projection is correspondingly inserted in each limiter depression, and each limiter convexes to form as when having different shapes, position and/or size respectively to make the load putting on occupant at safety strap be greater than predetermined load, each limiter projection is cut off substantially simultaneously.Ensure that each limiter projection is cut off substantially simultaneously, the balance and stability of the entirety of Webbing retractor can be guaranteed.Thus, can not occur such as to cause locking the destroyed situation of pedestal, can ensure that torsion bar absorbs energy, protect occupant well.Its reason is, the load be subject near claw 1 place is comparatively large, and the load be subject to away from claw 1 place is less.Therefore, it is possible to cut off for having respectively the while that different shapes, position and/or size realizing each limiter projection by each limiter is convexed to form.
It should be noted that comprising each limiter convexes to form as having different shapes and the situation of size respectively, also comprises each limiter and convexes to form as having different shapes and the situation of position respectively.And, herein, substantially cut off simultaneously and referred to by the time phase difference cut off less than front and back 0.2 second.
In the illustrated embodiment, described integral type winding off spindle 22 is provided with the first limiter protruding 231 and the second limiter projection 232 integratedly.Described locking pedestal 30 is correspondingly provided with the first limiter depression 251 and the second limiter depression 252, described first limiter projection 231 is inserted in described first limiter depression 251, and described second limiter projection 232 is inserted in described second limiter depression 252.Certainly, described integral type winding off spindle 22 can arrange more limiter projection.
Preferably, described integral type winding off spindle 22 is formed with the first limiter protruding 231 and the second limiter projection 232 integratedly.Because each limiter projection forms on integral type winding off spindle 22 integratedly, so its mechanical strength is better.
Specifically, described integral type winding off spindle 22 has annular end wall 221, and described first limiter protruding 231 and described second limiter projection 232 are all arranged on the described annular end wall 221 of described integral type winding off spindle 22.As shown in Figure 1, integral type winding off spindle 22 end face is provided with i.e. the first limiter protruding 231 and the second limiter projection 232 of two columniform limiter projections.The diameter of this first limiter protruding 231 and the second limiter projection 232 is respectively slightly larger than the diameter of the first limiter depression 251 and the second limiter depression 252.Together with locking pedestal 30 closely to be connected into integral type winding off spindle 22 by this first limiter depression 251 and the second limiter depression 252.And the Pivot Theory locking pedestal 30 and integral type winding off spindle 22 is located along the same line.Like this, first limiter protruding 231 of winding off spindle 22 and the second limiter projection 232 do not turned round broken before, locking pedestal 30, integral type winding off spindle 22, torsion bar 20 structure are in aggregates, prevent relatively rotating between them.
When the safety strap of elongated, belt-shaped starts distally to pull out, under the effect of safety strap pullout forces, winding off spindle 22 starts to rotate along the direction contrary with safety strap pull-out direction.When the pullout forces of safety strap and winding off spindle 22 turning force (generation is applied to the twisting resistance of the first limiter protruding 231 on winding off spindle 22 and the second limiter projection 232) are greater than the load limit that the first limiter protruding 231 and the second limiter projection 232 bear, the first limiter protruding 231 and the second limiter projection 232 are cut off substantially from its root simultaneously.Now, because torsion bar 20 can twist distortion, in relative rotation may so create between integral type winding off spindle 22, locking pedestal 25, torsion bar 20.Subsequently, continuation drives integral type winding off spindle 22 to rotate by safety strap.Due to torsion bar 20 by square head portion 21 and projected square part 24 and winding off spindle 22, lock pedestal 30 circumference fixing, so integral type winding off spindle 22 makes torsion bar 20 twist distortion, thus absorption energy.
In the present embodiment, described first limiter protruding 231 and described second limiter protruding 232 are protruding column, and described first limiter depression 251 and described second limiter depression 252 are manhole.And described first limiter protruding 231 and described first limiter cave in 251 interference fit, described second limiter protruding 232 and described second limiter cave in 252 interference fit.
Preferably, described first limiter projection 231 is more sturdy than described second limiter projection 232, and compared with described second limiter projection 232, described first limiter projection 231 is closer to the described claw 1 on described locking pedestal 30.In the present embodiment, the diameter of described first limiter projection 231 is larger than the diameter of described second limiter projection 232.Its reason is, the load be subject near claw 1 place is comparatively large, so should bear larger load closer to the limiter projection of the described claw 1 on described locking pedestal 30, each limiter projection can be cut off simultaneously thus.In addition, wherein, term " sturdy " namely refers to that the cross-sectional area of described first limiter projection 231 is larger than the cross-sectional area of described second limiter projection 232.
Wherein, compared with described second limiter projection 232, described first limiter protruding 231 is preferably radially closer to the center of described annular end wall 221.And described first limiter protruding 231 is preferably asymmetric about the center of described annular end wall 221 with described second limiter protruding 232.Thus, when integral type winding off spindle 22 is fitted together with locking pedestal 30, position setup error can be prevented, complete assembling fast.
Compared with traditional Webbing retractor, in Webbing retractor of the present invention, torsion bar 20 is placed in hollow bulb 220, and torsion bar 20 and integral type winding off spindle 22 and lock pedestal 30 circumference and fix, integral type winding off spindle 22 and in locking pedestal 30 are provided with at least two limiter projections integratedly, another in integral type winding off spindle 22 and locking pedestal 30 is provided with at least two limiters depressions, each limiter projection is correspondingly inserted in each limiter depression, and each limiter convexes to form as when having different morphemes and/or size respectively to make the load putting on occupant at safety strap be greater than predetermined load, each limiter projection is cut off substantially simultaneously, thus, when vehicle is in an emergency, claw 1 engages with the first gear hole 47, locking pedestal 30 is by locking, subsequently, if the load that safety strap puts on occupant exceedes the value preset, cut off the while that so at least two limiters being protruding, now, relative rotation will be there is in winding off spindle 22 relative to locking pedestal 30, this rotates the rotational force produced relatively will make torsion bar 20, under safety strap is applied to the effect of the rotational force on integral type winding off spindle 22, torsional deflection occur, safety strap can be drawn out the amount preset, the constrained force making safety strap be applied to passenger's body temporarily reduces slightly, realize energy absorbing by the torsional deflection of torsion bar 20 simultaneously, protect occupant well.Especially should be noted that; because each limiter convexes to form as when having different morphemes and/or size respectively to make the load putting on occupant at safety strap be greater than predetermined load, each limiter projection is cut off substantially simultaneously; so can not occur such as to cause the situations such as locking pedestal is destroyed or is thrown away; can ensure that torsion bar 20 absorbs energy, protect occupant well.
Those skilled in the art easily know; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Protection scope of the present invention is determined by claims.
Claims (9)
1. Webbing retractor, it is characterized in that, described Webbing retractor comprises framework (10), integral type winding off spindle (22), locking pedestal (30) and torsion bar (20), described framework (10) has the first parallel plate (46), second parallel plate (44) and the diaphragm plate (45) be connected between described first parallel plate (46) and described second parallel plate (44), described first parallel plate (46) and described second parallel plate (44) are respectively equipped with the first gear hole (47) and the second gear hole (43), described locking pedestal (30) is provided with for engaging with the claw of lock in emergency safety strap (1) with described first gear hole (47), described integral type winding off spindle (22) has hollow bulb (220), described torsion bar (20) is placed in described hollow bulb (220), and the side of described torsion bar (20) and described integral type winding off spindle (22) circumference are fixed, the opposite side of described torsion bar (20) and described locking pedestal (30) circumference are fixed, one in described integral type winding off spindle (22) and described locking pedestal (30) is provided with at least two limiter projections (231 integratedly, 232), another in described integral type winding off spindle (22) and described locking pedestal (30) is provided with at least two limiters depressions (251, 252), each limiter projection (231, 232) each limiter depression (251 is correspondingly inserted in, 252), and each limiter projection (231, 232) be formed as that there is different shapes respectively, each limiter projection (231 when position and/or size are to make the load putting on occupant at safety strap be greater than predetermined load, 232) substantially cut off simultaneously, first limiter projection (231) is more sturdy than the second limiter projection (232), and compared with described second limiter projection (232), described first limiter projection (231) is closer to the described claw (1) on described locking pedestal (30).
2. Webbing retractor according to claim 1, it is characterized in that, described locking pedestal (30) has the first fixed orifice (9), described hollow bulb (220) side of described integral type winding off spindle (22) is formed with the second fixed orifice (11), one end of described torsion bar (20) passes described first fixed orifice (9), and being fixed on described first fixed orifice (9) near part (24) circumference of this end of described torsion bar (20), the other end (21) circumference of described torsion bar (20) is fixed on described second fixed orifice (11).
3. Webbing retractor according to claim 2, is characterized in that, described torsion bar (20) is hexagon with the cross-sectional plane of the part that described first fixed orifice (9) and described second fixed orifice (11) coordinate.
4. Webbing retractor according to claim 1, it is characterized in that, described integral type winding off spindle (22) is provided with the first limiter projection (231) and the second limiter projection (232) integratedly, described locking pedestal (30) is correspondingly provided with the first limiter depression (251) and the second limiter depression (252), described first limiter projection (231) is inserted in described first limiter depression (251), and described second limiter projection (232) is inserted in described second limiter depression (252).
5. Webbing retractor according to claim 4, it is characterized in that, described integral type winding off spindle (22) has annular end wall (221), and described first limiter projection (231) and described second limiter projection (232) are all arranged on the described annular end wall (221) of described integral type winding off spindle (22).
6. Webbing retractor according to claim 5, it is characterized in that, described first limiter projection (231) and described second limiter projection (232) are protruding column, and described first limiter depression (251) and described second limiter depression (252) are manhole.
7. Webbing retractor according to claim 6, it is characterized in that, described first limiter projection (231) and described first limiter cave ins (251) interference fit, and described second limiter projection (232) and described second limiter cave in (252) interference fit.
8. Webbing retractor according to claim 5, is characterized in that, compared with described second limiter projection (232), described first limiter projection (231) is radially closer to the center of described annular end wall (221).
9. Webbing retractor according to claim 5, is characterized in that, described first limiter projection (231) is asymmetric about the center of described annular end wall (221) with described second limiter projection (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 CN102717772A (en) | 2012-10-10 |
| CN102717772B true CN102717772B (en) | 2015-05-13 |
Family
ID=46943694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110077932.2A Active CN102717772B (en) | 2011-03-30 | 2011-03-30 | Safety belt retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102717772B (en) |
Family Cites Families (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 |
| DE4436810C2 (en) * | 1994-10-14 | 1998-12-24 | Hs Tech & Design | Belt retractor for a seat belt of a motor vehicle |
| JPH08175324A (en) * | 1994-12-27 | 1996-07-09 | Nippon Seiko Kk | Retractor fitted with clamp |
| DE19706108C2 (en) * | 1996-02-16 | 2002-01-10 | Nsk Ltd | seatbelt |
| 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 Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf | Belt retractor for a vehicle seat belt |
| JP3754283B2 (en) * | 2000-08-15 | 2006-03-08 | 株式会社東海理化電機製作所 | Webbing take-up device |
| DE20214811U1 (en) * | 2002-09-25 | 2003-02-13 | TRW Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf | Force limiter on a belt retractor |
| DE102004015825B4 (en) * | 2004-03-31 | 2020-01-02 | Trw Automotive Gmbh | Belt retractor for a vehicle seat belt |
-
2011
- 2011-03-30 CN CN201110077932.2A patent/CN102717772B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102717772A (en) | 2012-10-10 |
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