CN104890616A - Belt winder with tensioning actuator - Google Patents
Belt winder with tensioning actuator Download PDFInfo
- Publication number
- CN104890616A CN104890616A CN201510069983.9A CN201510069983A CN104890616A CN 104890616 A CN104890616 A CN 104890616A CN 201510069983 A CN201510069983 A CN 201510069983A CN 104890616 A CN104890616 A CN 104890616A
- Authority
- CN
- China
- Prior art keywords
- propelling movement
- section
- buckle
- movement body
- along
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
- B60R22/4628—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
- B60R22/4628—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators
- B60R2022/4642—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators the gas directly propelling a flexible driving means, e.g. a plurality of successive masses, in a tubular chamber
- B60R2022/4647—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators the gas directly propelling a flexible driving means, e.g. a plurality of successive masses, in a tubular chamber the driving means being a belt, a chain or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention relates to a belt winder (10) for a safety belt. The belt winder (10) is provided with a tensioning actuator (30) and a belt winding shaft (20) for winding and expanding the safety belt. The tensioning actuator comprises a gas generator (31), a drive wheel (34) and a feed pipe (32) which is used to connect the gas generator (31) and the feed pipe (32). The feed pipe is provided with at least two thrust portions (300, 300a, 300b) which are accelerated in a thrust direction by triggering the gas generator (31) and the drive wheel (34) for winding of the seat belt. The thrust portions (300, 300a, 300b) are connected positively with each other through a snap connection in the thrust direction. The invention also relates to a method of assembling a tensioning actuator (30) for belt winder (10) of safety belt.
Description
Technical field
The present invention relates to a kind of Webbing retractor with the feature of preamble according to claim 1.
Background technology
This Webbing retractor is such as known by american documentation literature US 6 345 504.In advance known Webbing retractor there is the tension actuator with multiple spherical propelling movement body.
Summary of the invention
The present invention based on task be describe a kind of Webbing retractor of tension actuator with improving.
According to the present invention, this task is by solving with the Webbing retractor of feature according to claim 1.Favourable design plan according to Webbing retractor of the present invention illustrates in the dependent claims.
Accordingly, arranged according to the present invention, at least two along push the propelling movement body placed successively of direction by bayonet positive (formschl ü ssig) be interconnected.
The main advantage of the present invention is: at propelling movement body or push before body chain is incorporated in delivery pipe, first can form propelling movement body chain to push body when the buckle by setting up positive connects and assembles.Before being incorporated in delivery pipe, form propelling movement body chain make each " penetrating " pushing body or load to become simple, because the chain section introduced impels the automatic preconditioning to follow-up chain link.In addition, by clip formed together push body chain it is achieved that: the length pushing body chain is specifically matched with the tension characteristic of the strainer power of each expectation or each expectation of tension actuator, and its method is: the propelling movement body specifically selecting some.
Particularly advantageously, bayonet comprises two buckle sections, namely along pushing the forward buckle section in direction and propelling movement direction, edge buckle section rearward, forward buckle section is arranged in the rear side of the propelling movement body forward along propelling movement direction of two propelling movement bodies placed successively, buckle section is rearward arranged in the front side along propelling movement direction propelling movement body rearward of two propelling movement bodies placed successively, and two buckle sections design as follows, namely, these two buckle sections can move and mutual kayser alternately, its method is: the front side of propelling movement body is rearward moved along pushing the rear side of direction towards forward propelling movement body.In this design plan, being positioned at propelling movement body that is among delivery pipe and also non-kayser can lock subsequently, and this is by applying pressure from the outside or being realized by the pressure of the gas of gas generator after its igniting.
Consider that the low frictionally mobile body chain that pushes is regarded as advantageously through the bending area in delivery pipe, bayonet is following hinge connection portion, and this hinge connection portion can realize pushing body pivotable and improve the flexibility pushing body chain relative to each other.Bayonet particularly preferably forms buckle ball-and-socket hinge.
Be regarded as advantageously in structure bayonet, two place successively and in the propelling movement body of mutual buckle one has receiving section, the accommodation direction of this receiving section extends along propelling movement direction, two place successively and another in the propelling movement body of mutual buckle has interlocking section, the interlocking direction of this interlocking section extends along propelling movement direction, and rabbets section and snap in receiving section along propelling movement direction when forming the bayonet of positive.
Receiving section is preferably the receiving section of spill, and rabbets the interlocking section that section is preferably convex.
Be regarded as advantageously in structure receiving section, receiving section can bend spring, and can realize the introducing of rabbeting section when bending.
Particularly advantageously, receiving section is divided into elastically bendable accommodation section section by one or more gap.Gap and the preferred rotation-symmetric ground of accommodation section section are arranged.The longitudinal direction of gap and accommodation section section preferably extends along pushing direction.
Consider the alerting ability that bayonet is very high and be regarded as advantageously, interlocking section is spherical or has at least one spherical surface segment.
Interlocking section is preferably bolt shape.The bolt longitudinal direction of the interlocking section of bolt shape preferably extends along pushing direction.
Particularly advantageously, rabbet section to there is spherical bolt end or in bolt side, there is at least one spherical surface segment.
Unclamp in order to avoid the propelling movement body chain set up by buckle and be regarded as advantageously, interlocking section has, and (edge is incorporated into the direction in receiving section and and then looks up along propelling movement side) is positioned at spherical surface segment radial docking portion below, receiving section has the recessed section in side, and the recessed section in side snaps in radial docking portion.
Be regarded as advantageously according to the tensioning characteristic of the expectation of tension actuator, exist in delivery pipe and push body in a large number, described propelling movement body is connect when being formed and pushing body chain by the bayonet of positive.
Consider the extra high flexibility that pushes body chain and advantageously, bayonet is hinge connection portion, these hinge connection portion can realize pushing body pivotable relative to each other, and to push body chain be articulated propelling movement body chain.
Bayonet is preferably formed buckle ball-and-socket hinge, thus pushes body chain formation propelling movement body buckle ball-and-socket hinge.
Push cast or die-cast part that body is preferably single type.
In addition, the invention still further relates to the method for the tension actuator for assembling the Webbing retractor for safety strap, wherein, in the method, at least two push body (along pushing on direction) and are placed to successively in the delivery pipe of tension actuator.
Arranged according to the present invention, before being introduced or between the introductory phase, at least two are interconnected by bayonet positive along pushing the propelling movement bodies placed successively in direction when being formed and pushing body chain.
In the advantage of method according to the present invention, with reference to and combine according to the above-mentioned embodiment of Webbing retractor of the present invention, because according to the advantage of Webbing retractor of the present invention roughly corresponding to the advantage of method according to the present invention.Push by the mode pre-assy pushing body with clip or buckle the tension characteristic that body chain can determine obtained tension actuator in a particularly simple way, its method is, pushes by adding or removing the length that body adjusts propelling movement body chain targetedly.
What arrange in the particularly advantageous design plan of the method is, bayonet comprises two buckle sections, namely along push body chain (33) the forward buckle section of chain longitudinal direction and along the chain longitudinal direction buckle section rearward pushing body chain (33), forward buckle section is arranged in along on the rear side pushing the forward propelling movement body in direction, buckle section is rearward arranged in along on the front side pushing direction propelling movement body rearward, and two buckle section buckles, its mode is: move on the rear side of forward propelling movement body by the front side of propelling movement body rearward along the chain longitudinal direction pushing body chain (33), or the rear side of forward propelling movement body is moved on the front side of propelling movement body rearward along the chain longitudinal direction pushing body chain (33).
Accompanying drawing explanation
The present invention is illustrated below by embodiment; Exemplarily illustrate at this:
Fig. 1 illustrates the embodiment according to Webbing retractor of the present invention with three-dimensional exploded view;
Fig. 2 illustrates the first embodiment pushing body, and it assembles the propelling movement body chain for Webbing retractor according to Fig. 1 by buckle;
Fig. 3 to illustrate the propelling movement body according to Fig. 2 with 3-D view from oblique rear;
Fig. 4 illustrates the propelling movement body according to Fig. 3 obliquely from the front with 3-D view;
Fig. 5 illustrates the propelling movement body chain to be assembled into according to the propelling movement body of Fig. 2 to Fig. 4 with cross-sectional plane in the curve of the delivery pipe of the Webbing retractor according to Fig. 1;
Fig. 6 illustrates the second embodiment of the propelling movement body chain for the Webbing retractor according to Fig. 1;
Fig. 7 illustrates the 3rd embodiment of the propelling movement body chain for the Webbing retractor according to Fig. 1.
In the accompanying drawings, for the purpose of general view, use same Reference numeral all the time for same or similar parts.
Detailed description of the invention
Fig. 1 illustrates the embodiment for Webbing retractor 10 with three-dimensional exploded view, and in addition, this Webbing retractor comprises spool of tape 20 and tension actuator 30.
In FIG, from tension actuator 30, identifiable design goes out gas generator 31, delivery pipe 32, pushes body chain 33 and drive wheel 34.Push body chain 33 to be made up of multiple propelling movement body 300, these are pushed bodies and are interconnected by the bayonet positive of positive.
Drive wheel 34 directly can be connected with spool of tape 20, or is connected with spool of tape by coupling as an alternative; Embodiment for coupling is shown in Figure 1, and indicates with Reference numeral 40 there.
If make when accident or dangerous situations tension actuator 30 trigger and make gas generator 31 light a fire, so the gas extrusion propelling movement body chain 33 of gas generator 31 passes delivery pipe 32 and passes through at drive wheel 34 place, thus make drive wheel 34 be in rotary motion, and rotating band spool 20 as follows, that is, the safety strap that this spool of tape is not shown in Figure 1 by the object based on general view is rolled.
In order to body chain 33 can be pushed through the delivery pipe 32 being equipped with curve 32a with propulsive effort little as far as possible or driving-energy extruding, the bayonet pushing the positive of body 300 is preferably formed buckle ball-and-socket hinge, particularly preferably forms the bending buckle ball-and-socket hinge simplifying and push body chain 33.
Fig. 2 illustrates the embodiment for pushing body 300, and these push body and can be used for forming propelling movement body chain, such as, according to the propelling movement body chain 33 of Fig. 1.Propelling movement body 300 shown in Fig. 2 when it forms according to Fig. 1 completed propelling movement body chain 33 mutually before buckle.
What identifiable design went out is, according to the propelling movement body 300 of Fig. 2 on one side thereof, such as have the interlocking section 310 of bolt shape on front side of it on 301 respectively, this interlocking section has anterior spherical surface section 311 and radial docking portion 312, or is formed by these parts.The interlocking section 310 of the bolt shape on the front side 301 pushing body 300 is scarfed in the unshowned in fig. 2 receiving section of adjacent propelling movement body respectively.
By surface segment 311 with the spherical of the shaping matched of the receiving section of attaching troops to a unit respectively in adjacent propelling movement body or at least approximate spherical, pushing the formation of the bayonet between body 300 buckle ball-and-socket hinge, these buckle ball-and-socket hinges ensure that and push body 300 pivotable relative to each other, and and then ensure that the very high elasticity flexibility in other words pushing the propelling movement body chain 33 that body 300 is formed.
Fig. 3 illustrates the rear side 302 of the propelling movement body 300 according to Fig. 2 in detail.Can identify receiving section 320, this receiving section is formed by the accommodation section section 321 in spring element form that can bend spring.Accommodation section section 321 is separated from each other by gap.The layout in gap and the layout of accommodation section section 321 are preferably rotation-symmetric.
Fig. 4 illustrates the front side 301 of the propelling movement body 300 according to Fig. 2 from oblique side with 3-D view.Can identify the interlocking section 310 of bolt shape, this interlocking section is formed by the spherical surface section 311 of front portion and the docking portion 312 of radial direction.
In order to connect two propelling movement bodies 300 according to Fig. 2 to Fig. 4, the interlocking section 310 of the bolt shape on the front side 301 pushing body is inserted in the receiving section 320 on the rear side 302 of adjacent (before the layout in delivery pipe 32 is arranged in along propelling movement direction according to direction of visual lines or propelling movement body chain 33 or below) propelling movement body 300 respectively.When the spherical surface section 311 of the front portion of rabbeting section 300 inserts, the accommodation section section 321 of the receiving section 320 of adjacent propelling movement body flexibly bends apart from each other, thus spherical surface section 311 can be incorporated into the inside of receiving section 320.
In order to locking or the buckle to rabbeting section 310 can be realized, the accommodation section section 321 of receiving section 320 is equipped with the recessed section in side, the recessed section in these sides buckles into or is locked into when rabbeting section 310 and introducing in radial docking portion 312, thus spherical surface section 311 positive of front portion remain on adjacent propelling movement body receiving section 320 among.
Fig. 5 illustrates after propelling movement body 300 is interconnected by buckle with the propelling movement body chain 33 formed according to the propelling movement body 300 of Fig. 2 to Fig. 4.Spherical accordingly based on the surface segment 311 of front portion spherical (see Fig. 2 and Fig. 4) and the receiving section 320 of spill, bayonet between adjacent propelling movement body 300 forms buckle ball-and-socket hinge respectively, and these buckle ball-and-socket hinges can realize pushing the bending of body chain 33 in a particularly simple way.Therefore, can identify in Figure 5, pushing body chain 33 can bend without difficulty in the bending area of delivery pipe 32, thus can move propelling movement body chain 33 with very little power consumption through whole delivery pipe 32.
Fig. 6 illustrates another embodiment of the propelling movement body chain 33 of the Webbing retractor according to Fig. 1.According in the propelling movement body chain 33 of Fig. 6, push body 300 (although seeing it is not clearly visible on from the side) and be interconnected by the bayonet of positive equally.The bayonet of positive such as can construct as composition graphs 2 to Fig. 4 exemplarily sets forth.
Except pushing except body 300, the propelling movement body chain 33 according to Fig. 6 has packing element 340, sealing element be preferably placed in push body chain 33 attach troops to a unit in or towards in the link ends of gas generator 31 (see Fig. 1).Packing element 340 for sealing delivery pipe in link ends, thus the gas produced by gas generator 31 is not by packing element 340 and propelling movement body chain 33, and the air pressure produced by gas generator 31 must drive propelling movement body chain 33 along the direction of drive wheel 34.
Fig. 7 illustrates another embodiment pushing body chain 33, and this propelling movement body chain can use according in the Webbing retractor 10 of Fig. 1.In the figure 7, three propelling movement body Reference numerals 300,300a and 300b pushing body chain 33 indicate.
The buckle that the interlocking section 310 of the convex pushing body 300 snaps in the receiving section 320 of the correspondingly configured spill pushing body 300a connects based on passing through by the connection pushed between body 300 and adjacent propelling movement body 300a.Based on surface segment 311 spherical or at least approximate spherical and the spherical or at least approximate spherical of receiving section 320 based on the spill pushing body 300a forms buckle ball-and-socket hinge of the front portion of the interlocking section 310 of convex, this buckle ball-and-socket hinge can realize pushing body 300 and 300a pivotable relative to each other, and and then realizes pushing the bending of body chain 33.
In order to avoid the interlocking section 310 pushing the convex of body 300 skids off from the receiving section 320 of the spill of propelling movement body 300, the receiving section 320 of spill is equipped with the recessed section 322 in side in side, as long as interlocking section 310 is incorporated in receiving section 320 completely, so the recessed section in this side snaps in the docking portion 312 of the radial direction of the interlocking section 310 of convex.
Push body 300b in the corresponding way with propelling movement body 300 buckle.Therefore, push the interlocking section 310 that body 300b also has convex, this interlocking section snaps in the receiving section 320 of the spill pushing body 300.Therefore push body 300 to be connected with the buckle between 300b in can with reference to push body 300a with 300 between the above-mentioned embodiment that is connected of buckle.
Although the present invention is illustrated by preferred embodiment in detail and describes, the present invention is not limited to disclosed example, and other flexible program can be derived thus by those skilled in the art, and does not depart from protection scope of the present invention.
Reference numerals list
10 Webbing retractors
20 spool of tape
30 tension actuators
31 gas generators
32 delivery pipes
32a curve
33 push body chain
34 drive wheels
40 couplings
300 push body
300a pushes body
300b pushes body
On front side of in the of 301
On rear side of in the of 302
310 interlocking sections
311 surface segment
312 docking portion
320 receiving sections
321 accommodation section sections
The 322 recessed sections in side
340 packing elements
Claims (11)
1. the Webbing retractor for safety strap (10), described Webbing retractor has tension actuator (30) and the spool of tape (20) for rolling and launch safety strap, and described tension actuator comprises:
-gas generator (31),
-drive wheel (34) and
-delivery pipe (32), described delivery pipe connects described gas generator (31) and described drive wheel (34),
-wherein, there are at least two in the described delivery pipe (32) and push bodies (300,300a, 300b), described propelling movement body is accelerated along pushing direction after described gas generator (31) triggers, and directly or indirectly drive described drive wheel (34), in order to roll safety strap
It is characterized in that,
At least two is interconnective by bayonet positive ground along pushing the propelling movement body (300,300a, 300b) placed successively in direction.
2. Webbing retractor according to claim 1 (10),
It is characterized in that,
-described bayonet comprises two buckle sections, namely along pushing the forward buckle section in direction and propelling movement direction, edge buckle section rearward,
-described forward buckle section is arranged on the rear side of the propelling movement body forward along propelling movement direction of two propelling movement bodies placed successively,
The edge that-described buckle section is rearward arranged in two propelling movement bodies placed successively pushes on the front side of direction propelling movement body rearward, and
-two buckle sections construct as follows, and these two buckle sections can move and reciprocally kayser in the following way alternately, that is, the front side of propelling movement body is rearward moved along pushing the rear side of direction towards forward propelling movement body.
3. the Webbing retractor (10) according to any one of the claims,
It is characterized in that,
Described bayonet is hinge connection portion, especially forms buckle ball-and-socket hinge, and described bayonet or described buckle ball-and-socket hinge can realize described propelling movement body (300,300a, 300b) pivotable relative to each other.
4. the Webbing retractor (10) according to any one of the claims,
It is characterized in that,
-two place successively and in the propelling movement body (300,300a, 300b) of mutual buckle one has receiving section (320), the accommodation direction of described receiving section extends along propelling movement direction,
-two place successively and another in the propelling movement body (300,300a, 300b) of mutual buckle has interlocking section (310), the interlocking direction of described interlocking section extends along propelling movement direction, and
-described interlocking section (310) snaps in described receiving section (320) along propelling movement direction when forming the bayonet of positive.
5. Webbing retractor according to claim 4 (10),
It is characterized in that,
Described receiving section (320) can bend spring, and can realize the introducing of described interlocking section (310) when bending.
6. the Webbing retractor (10) according to any one of the claims 4 to 5,
It is characterized in that,
Described receiving section (320) is divided into the accommodation section section (321) of energy elastic bending by one or more gap, and the longitudinal direction of described accommodation section section extends along pushing direction.
7. the Webbing retractor (10) according to any one of the claims 4 to 6,
It is characterized in that,
-described interlocking section (310) is bolt shape, and has spherical bolt end or have at least one spherical surface segment (311) in bolt side, and
The bolt longitudinal direction of the interlocking section (310) of-bolt shape extends along pushing direction.
8. Webbing retractor according to claim 7 (10), is characterized in that,
-described interlocking section (310) has, and (edge is incorporated into the direction in described receiving section (320) and and then looks up along propelling movement side) is positioned at the docking portion (312) of spherical surface segment (311) radial direction below
-described receiving section (320) has the recessed section in side (322), and
The recessed section in-described side (322) snaps in radial docking portion (312).
9. according to Webbing retractor in any one of the preceding claims wherein (10),
It is characterized in that,
Existence pushes body (300,300a, 300b) in a large number in the described delivery pipe (32), and described propelling movement body is connect when being formed and pushing body chain (33) by the bayonet of positive.
10. one kind for assembling the method for the tension actuator (30) of the Webbing retractor (10) for safety strap, wherein, in the process, at least two push body (300,300a, 300b) (along pushing on direction) and are placed to successively in the delivery pipe (32) of described tension actuator (30)
It is characterized in that,
Before being introduced or between the introductory phase, at least two are interconnected by bayonet positive along pushing the propelling movement body (300,300a, 300b) placed successively in direction when being formed and pushing body chain (33).
11. methods according to claim 10,
It is characterized in that,
-described bayonet comprises two buckle sections, namely along the forward buckle section of the chain longitudinal direction of described propelling movement body chain (33) and the chain longitudinal direction buckle section rearward along described propelling movement body chain (33),
-described forward buckle section is arranged in along on the rear side pushing the forward propelling movement body in direction,
-described buckle section is rearward arranged in along on the front side pushing direction propelling movement body rearward, and
-two buckle sections buckle as follows, that is,
-the chain longitudinal direction of the front side of propelling movement body rearward along described propelling movement body chain (33) is moved on the rear side of forward propelling movement body, or
-the chain longitudinal direction of the rear side of forward propelling movement body along described propelling movement body chain (33) is moved on the front side of propelling movement body rearward.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014203853.7A DE102014203853B4 (en) | 2014-03-03 | 2014-03-03 | Belt retractor with tensioner drive |
| DE102014203853.7 | 2014-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104890616A true CN104890616A (en) | 2015-09-09 |
| CN104890616B CN104890616B (en) | 2019-04-16 |
Family
ID=50821684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510069983.9A Active CN104890616B (en) | 2014-03-03 | 2015-02-10 | With the Webbing retractor for tensing driver |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104890616B (en) |
| DE (1) | DE102014203853B4 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015000203B4 (en) * | 2015-01-15 | 2020-10-08 | Zf Automotive Germany Gmbh | Belt tensioner for a seat belt system |
| DE102016118461A1 (en) | 2016-09-29 | 2018-03-29 | Trw Automotive Gmbh | pretensioners |
| DE102019133141A1 (en) * | 2019-12-05 | 2021-06-10 | Zf Automotive Germany Gmbh | Tensioner tube for a belt tensioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000026068A1 (en) * | 1998-11-04 | 2000-05-11 | Nhk Spring Co., Ltd. | Pretensioner for seat belts |
| JP2000225920A (en) * | 1999-02-02 | 2000-08-15 | Takata Corp | Pretensioner |
| US6345504B1 (en) * | 1999-08-25 | 2002-02-12 | Takata Corporation | Pretensioner with gas escape mechanism |
| EP2181021B1 (en) * | 2007-08-23 | 2011-11-02 | Adomeit, Heinz-Dieter | Drive device to generate a belt-tightening movement in a safety belt apparatus |
| CN103052542A (en) * | 2010-08-03 | 2013-04-17 | 高田股份公司 | Belt retractor with a tightener drive |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2359284B (en) | 1997-04-18 | 2001-09-26 | Breed Automotive Technologies | Chain pretensioner |
-
2014
- 2014-03-03 DE DE102014203853.7A patent/DE102014203853B4/en not_active Expired - Fee Related
-
2015
- 2015-02-10 CN CN201510069983.9A patent/CN104890616B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000026068A1 (en) * | 1998-11-04 | 2000-05-11 | Nhk Spring Co., Ltd. | Pretensioner for seat belts |
| JP2000225920A (en) * | 1999-02-02 | 2000-08-15 | Takata Corp | Pretensioner |
| US6345504B1 (en) * | 1999-08-25 | 2002-02-12 | Takata Corporation | Pretensioner with gas escape mechanism |
| EP2181021B1 (en) * | 2007-08-23 | 2011-11-02 | Adomeit, Heinz-Dieter | Drive device to generate a belt-tightening movement in a safety belt apparatus |
| CN103052542A (en) * | 2010-08-03 | 2013-04-17 | 高田股份公司 | Belt retractor with a tightener drive |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014203853B4 (en) | 2019-03-07 |
| CN104890616B (en) | 2019-04-16 |
| DE102014203853A1 (en) | 2014-06-18 |
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Effective date of registration: 20190531 Address after: Aschaffenburg Patentee after: Junsheng Safety Systems Germany Ltd. Address before: Aschaffenburg Patentee before: Takata Petri AG |