CN103359039A - Knee energy-absorbing protecting device and energy-absorbing support - Google Patents
Knee energy-absorbing protecting device and energy-absorbing support Download PDFInfo
- Publication number
- CN103359039A CN103359039A CN2012100883829A CN201210088382A CN103359039A CN 103359039 A CN103359039 A CN 103359039A CN 2012100883829 A CN2012100883829 A CN 2012100883829A CN 201210088382 A CN201210088382 A CN 201210088382A CN 103359039 A CN103359039 A CN 103359039A
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- strut member
- energy
- knee
- frame
- lower frame
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- 210000003127 knee Anatomy 0.000 title claims abstract description 69
- 238000010521 absorption reaction Methods 0.000 claims description 49
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000010009 beating Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention relates to a knee energy-absorbing protecting device and an energy-absorbing support and aims at improving the problem that existing protecting devices are low in energy-absorbing efficiency. The protecting device comprises a manifold beam, a knee protecting plate and the energy-absorbing supports connecting the manifold beam with the knee protecting plate, each energy-absorbing support is formed by an outer frame and an inner supporting member supporting the outer frame, each outer frame comprises an upper frame, a lower frame, a left frame and a right frame, the upper frames and the lower frames are opposite in position, the left frames and the right frames are positioned at two ends of the upper frames and the lower frames, each inner supporting member comprises a first supporting member connecting the upper frame and the corresponding lower frame respectively, a second supporting member and a third supporting member, and the second supporting member and the third supporting member are positioned on the left side and the right side of the corresponding first supporting member. The upper frames and the lower frames are waved and are provided with multiple thinning portions and adjusting holes, so that after a collision occurs, collision energy can be effectively absorbed through deformation at the adjusting holes and the thinning portions.
Description
Technical field
The present invention relates to field of automobile safety, relate in particular to a kind of knee energy-absorbing fender guard and energy-absorption bracket that is used in passenger cabin assembly inside.
Background technology
The knee protective technology of using on the automobile has multiple, is included in knee airbag apparatus, panel beating energy-absorption bracket, foam energy absorbent block etc. are set.Energy when knee airbag device passes through the air bag damp impacts, the purpose that escapes injury to reach the protection knee.In general, the cost of knee air bag is higher, thus mostly be equipped on the medium-to-high grade car, in addition, the volume of knee air bag module also large, weight is also heavier, is furnished with larger difficulty in compact sedan.The panel beating energy-absorption bracket cushions the collision of knee, to alleviate the injury to knee by the distortion of support.Yet panel beating energy-absorption bracket in general weight is heavier, and energy-absorbing efficient is not high, and the energy that namely absorbs in same space is less, and the scope of design debug is narrower in addition, so cycle development time is longer.The knee protective plate owing to being appearance member, therefore have relatively high expectations with size and the coupling of instrument carrier panel, and energy-absorbing efficient is not high.
Summary of the invention
In view of this, the object of the invention is to improve prior art, a kind of simple in structure, knee energy-absorbing fender guard and energy-absorption bracket that energy-absorbing efficient is high are provided.
First aspect for achieving the above object, the present invention by the following technical solutions:
A kind of knee energy-absorbing fender guard comprises supervisor's beam, knee backplate and the energy-absorption bracket that connects supervisor's beam and knee backplate, and described supervisor's beam is fixed on the auto body, and described knee backplate is towards passenger's knee, wherein,
Described energy-absorption bracket is comprised of the internal support of housing and support housing, and described housing comprises the upper and lower frame that the position is relative, and the left frame and the left frame that are positioned at upper and lower frame two ends;
Described upper and lower frame undulate schistose texture, and be provided with a plurality of lightening holes and adjustment hole, described left frame connects supervisor's beam, and described left frame connects the knee backplate;
Described internal support comprises the first strut member, the second strut member and the 3rd strut member;
Described the first strut member connects respectively upper and lower frame, and energy-absorption bracket is divided into two parts: near the narrow shape part of supervisor's beam one side and the wide shape part of close knee backplate one side; Described the second strut member is positioned at the first strut member left side, is connected in the narrow shape part; Described the 3rd strut member is positioned at the first strut member right side, is connected in the wide shape part.
Preferably, described the first strut member undulate.
Preferably, described the second strut member is criss-cross, and its four coupling ends are connected on left frame, upper and lower frame and the first strut member, thereby forms four adjacent zones (A, B, C, D).
Preferably, described the 3rd strut member is three fork-shapeds, and its three coupling ends are connected on upper and lower frame and the left frame, thereby forms three adjacent zones (E, F, G).
Preferably, on top frame is provided with the first and second lightening holes and the first adjustment hole, be provided with the third and fourth lightening holes and the second adjustment hole at lower frame, described first, second, third, fourth lightening holes and first, second adjustment hole are arranged on the position of crest or trough.
Preferably, being shaped as of described left frame cooperates the circular arc of being responsible for the beam surface, the flat shape that is shaped as cooperation knee backplate surface of described left frame.
Preferably, three of described the 3rd strut member coupling ends are equipped with lightening holes.
Preferably, described first, second lightening holes is positioned at the junction of the second strut member and upper and lower frame, described the 3rd lightening holes is positioned at the junction of the first strut member and upper side frame, and described the 4th lightening holes is positioned on the lower frame that narrow shape partly consists of regional D.
Preferably, described the first adjustment hole is positioned on the upper side frame that wide shape partly consists of regional E, and described the second adjustment hole is positioned on the lower frame that wide shape partly consists of regional F.
Preferably, described energy-absorption bracket is structure as a whole.
Preferably, described knee backplate is provided with two the first and second cross bars of strengthening backplate rigidity.
Preferably, the material of described supervisor's beam, energy-absorption bracket and knee backplate is magnesium alloy, and described energy-absorption bracket is welding with the connection mode of supervisor's beam and knee backplate.
Second aspect for achieving the above object, the present invention by the following technical solutions:
A kind of energy-absorption bracket, described energy-absorption bracket is comprised of the internal support of housing and support housing, and described housing comprises the upper and lower frame that the position is relative, and the left frame and the left frame that are positioned at upper and lower frame two ends;
Described upper and lower frame undulate schistose texture, and be provided with a plurality of lightening holes and adjustment hole, described left frame connects supervisor's beam, and described left frame connects the knee backplate;
Described internal support comprises the first strut member, the second strut member and the 3rd strut member;
Described the first strut member connects respectively upper and lower frame, and energy-absorption bracket is divided into two parts: near the narrow shape part of supervisor's beam one side and the wide shape part of close knee backplate one side; Described the second strut member is positioned at the first strut member left side, is connected in the narrow shape part; Described the 3rd strut member is positioned at the first strut member right side, is connected in the wide shape part.
As seen from the above technical solution; knee energy-absorbing fender guard provided by the invention is connected beam and leg guard by supervisor's beam, leg guard with connection energy-absorption bracket consists of; this energy-absorption bracket is comprised of the internal support of housing and support housing; adopt the waveform design owing to forming the upper and lower frame of energy-absorption bracket housing; and at upper and lower frame lightening holes and adjustment hole are set; to regulate the stress deformation of energy-absorption bracket; can make knee when certain collision operating mode, be in safety stressed lower; avoid colliding the generation of peak value; energy-absorbing efficient is high, and is simple in structure.
Description of drawings
Fig. 1 is the structural representation of knee energy-absorbing fender guard provided by the invention;
Fig. 2 is the structural representation of knee backplate among Fig. 1;
Fig. 3 is the structural representation of energy-absorption bracket among Fig. 1.
The specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing, but the present invention is not therefore subject to any restriction.
Upper and lower, left and right described in this specification sheets refer to the upper and lower, left and right direction of Fig. 3.
Fig. 1 shows a kind of knee energy-absorbing fender guard provided by the invention, and this fender guard comprises supervisor's beam 1, two energy-absorption brackets 2 and knee backplate 3.Wherein, the two ends of described energy-absorption bracket 2 connect respectively supervisor beam 1 and knee backplate 3, and described supervisor's beam 1 is fixed on the vehicle body, and described knee backplate 3 is towards passenger's knee, thereby consist of whole knee energy-absorbing fender guard.As shown in Figure 2, preferred, described knee backplate 3 is generally rectangle, and the above also is provided with first, second cross bar (4,5), to strengthen the rigidity of knee backplate 3.Because magnesium alloy materials has preferably energy absorption characteristics, preferably, the preparation material of described supervisor's beam 1, energy-absorption bracket 2 and knee backplate 3 is magnesium alloy.In addition, the connection mode of described energy-absorption bracket 2 and supervisor's beam 1 and knee backplate 3 can have multiple, and such as bolt connection and welding etc., in the present embodiment, described connection mode is welding.
Preferably, the size of two energy-absorption brackets 2 is identical with structure, with parallel being connected between supervisor's beam 1 and the knee backplate 3 of identical angle.
As shown in Figure 3, described energy-absorption bracket 2 is comprised of housing and the internal support that be used for to support housing, and described housing comprises the relative upper and lower frame 21 in position, 22 and the left frame 23 and the left frame 24 that are positioned at upper and lower frame 21,22 two ends.Described upper and lower frame 21,22 is the waveform schistose texture.For ease of describing, in this manual, upper and lower frame 21,22 relative energy-absorption bracket 2 outwardly parts are defined as crest, inwardly recessed part is defined as trough.Described upper and lower frame 21,22 crest or quantity and the size of trough can be adjusted according to the arrangement space of fender guard and the force analysis of energy-absorption bracket 2.
In addition, on upper and lower frame 21,22, also be provided with the lightening holes that a plurality of seal ring thicknesses reduce and the adjustment hole that penetrates frame, consist of upper and lower frame 21,22 stressed weak link, to regulate the stress deformation of energy-absorption bracket 2.In specific implementation process, the stress deformation of energy-absorption bracket 2 is further regulated in thickness that can also be by changing lightening holes and the aperture of adjustment hole.Preferably, on top frame 21 is provided with the first and second lightening holes 25, the 26 and first adjustment hole 81, is provided with the third and fourth lightening holes 27, the 28 and second adjustment hole 82 at lower frame 22 equally.For controlling better the stress deformation of energy-absorption bracket, described first, second, third, fourth lightening holes 25,26,27,28 and first, second adjustment hole 81,82 be arranged on the position of crest or trough.
Described left frame 23 connects supervisor's beam 1, and described left frame 24 connects knee backplate 3.Because the distribution of the collision point of passenger's knee and knee backplate 3 is larger, preferably, between the described upper and lower frame 21,22 in the distance on right side greater than the left side, thereby the length that makes described left frame 24 is greater than left frame 23.
Because described supervisor's beam 1 be tubular structure, be the arcuate surface that cooperates supervisor's beam 1, described left frame 23 is designed to arc structure so that the abundant surface of contact supervisor beam 1, thereby make energy-absorption bracket 2 be responsible between the beam 1 be connected more tight.Equally, described left frame 24 is designed to the flat shape that matches with the surface of knee backplate 3, in order to fully contact the surface of knee backplate 3, thereby make between energy-absorption bracket 2 and the knee backplate 3 be connected more tight.
Described internal support is positioned at framework that housing encloses, and comprises the first strut member 6, the second strut member 7 and the 3rd strut member 8.
Described the first strut member 6 is strip, and two coupling end 61,62 is connected to upper and lower frame 21,22 inboard, thereby energy-absorption bracket 2 is divided into two parts: narrow shape part and wide shape part.Described narrow shape part surrounds 21,22 near a side of supervisor's beam 1 by left frame 23, the first strut member 6 and upper and lower frame; Described wide shape part is surrounded by left frame 24, the first strut member 6 and upper and lower frame 21,22 near a side of knee backplate 3.
Described the second strut member 7 is positioned at the left side of the first strut member 6, is connected in the narrow shape part.Preferably, described the second strut member 7 is criss-cross, its four coupling ends 71,72,73,74 that connect narrow shape part are connected on left frame 23, upper and lower frame 21, the 22 and first strut member 6, thereby narrow shape partly is divided into four areas regional A, B, C, D about equally.Wherein, described the second strut member connects four coupling ends 71 of narrow shape part, 72,73,74 shape can be adjusted according to the stressing conditions of energy-absorption bracket, such as waveform, flat shape or other shape.Preferably, in the present embodiment, described the second strut member 7 is set to flat shape with the coupling end 71,73,74 of left frame 23, lower frame 22 and the first strut member 6, and described the second strut member 7 is set to waveform with the coupling end 72 of upper side frame.
Preferably, described the first, the 3rd lightening holes 25,27 lays respectively at the second strut member 7 and upper and lower frame 21,22 junction, described the second lightening holes 26 is positioned at the junction of the first strut member 6 and upper side frame 21, and described the 3rd lightening holes 28 is arranged in narrow shape part and consists of on the lower frame 22 of regional D.
Described the 3rd strut member 8 is positioned at the right side of the first strut member 6, is connected in the wide shape part.Preferably, described the 3rd strut member 8 is three fork-shapeds, have from intersection point outward extending three coupling ends 83,84,85 in same plane, its three coupling ends 83,84,85 that connect wide shape part be connected to upper and lower frame 21,22 and left frame 24 on, thereby wide shape partly is divided into three areas regional E, F, G about equally.Preferably, described first, second adjustment hole 81,82 lays respectively on the upper and lower frame 21,22 that consists of regional E, F.Preferably, be respectively equipped with lightening holes on three coupling ends 83,84,85 of the wide shape part of described the 3rd strut member 8 connections.Wherein, described the 3rd strut member 8 connects three coupling ends 83 of wide shape part, 84,85 shape can be adjusted according to the stressing conditions of energy-absorption bracket 3, such as being set to waveform, flat shape or other shape.In the present embodiment, described the 3rd strut member 8 respectively with upper and lower frame 21,22 and three coupling ends 83,84,85 of left frame 24 be set to flat shape.
Knee restraint provided by the invention; the upper and lower frame of its energy-absorption bracket adopts the waveform design; and at upper and lower frame lightening holes and adjustment hole are set; to regulate the stress deformation of energy-absorption bracket; can make stressed all the time below the 5.5KN under certain safety collision operating mode of knee, avoid colliding the generation of peak value.During collision, knee contacts with the knee backplate at first, recompression knee energy-absorption bracket 2, and the porose place of wave is out of shape at first, along with deflection increases, the thereupon deformation of atresia wave place, after the energy major part was absorbed, collision process finished.
Claims (13)
1. knee energy-absorbing fender guard comprises supervisor's beam, knee backplate and the energy-absorption bracket that connects supervisor's beam and knee backplate, and described supervisor's beam is fixed on the auto body, and described knee backplate is characterized in that towards passenger's knee,
Described energy-absorption bracket is comprised of the internal support of housing and support housing, and described housing comprises the upper and lower frame that the position is relative, and the left frame and the left frame that are positioned at upper and lower frame two ends;
Described upper and lower frame undulate schistose texture, and be provided with a plurality of lightening holes and adjustment hole, described left frame connects supervisor's beam, and described left frame connects the knee backplate;
Described internal support comprises the first strut member, the second strut member and the 3rd strut member;
Described the first strut member connects respectively upper and lower frame, and energy-absorption bracket is divided into two parts: near the narrow shape part of supervisor's beam one side and the wide shape part of close knee backplate one side; Described the second strut member is positioned at the first strut member left side, is connected in the narrow shape part; Described the 3rd strut member is positioned at the first strut member right side, is connected in the wide shape part.
2. fender guard as claimed in claim 1 is characterized in that, described the first strut member undulate.
3. fender guard as claimed in claim 1 is characterized in that, described the second strut member is criss-cross, and its four coupling ends are connected on left frame, upper and lower frame and the first strut member, thereby forms four adjacent zones (A, B, C, D).
4. fender guard as claimed in claim 1 is characterized in that, described the 3rd strut member is three fork-shapeds, and its three coupling ends are connected on upper and lower frame and the left frame, thereby forms three adjacent zones (E, F, G).
5. fender guard as claimed in claim 1; it is characterized in that; on top frame is provided with first, second lightening holes and the first adjustment hole; be provided with the 3rd, the 4th lightening holes and the second adjustment hole at lower frame, described first, second, third, fourth lightening holes and first, second adjustment hole are arranged on the position of crest or trough.
6. fender guard as claimed in claim 1 is characterized in that, being shaped as of described left frame cooperates the circular arc of being responsible for the beam surface, the flat shape that is shaped as cooperation knee backplate surface of described left frame.
7. fender guard as claimed in claim 4 is characterized in that, three coupling ends of described the 3rd strut member are equipped with lightening holes.
8. such as claim 2,3 or 4 described fender guards; it is characterized in that; described first, second lightening holes is positioned at the junction of the second strut member and upper and lower frame; described the 3rd lightening holes is positioned at the junction of the first strut member and upper side frame, and described the 4th lightening holes is positioned on the lower frame that narrow shape partly consists of regional D.
9. such as claim 2,3 or 4 described fender guards, it is characterized in that, described the first adjustment hole is positioned on the upper side frame that wide shape partly consists of regional E, and described the second adjustment hole is positioned on the lower frame that wide shape partly consists of regional F.
10. such as the described fender guard of any one among the claim 1-9, it is characterized in that, described energy-absorption bracket is structure as a whole.
11. fender guard as claimed in claim 1 is characterized in that, described knee backplate is provided with two the first and second cross bars of strengthening backplate rigidity.
12. fender guard as claimed in claim 1 is characterized in that, the material of described supervisor's beam, energy-absorption bracket and knee backplate is magnesium alloy, and described energy-absorption bracket is welding with the connection mode of supervisor's beam and knee backplate.
13. an energy-absorption bracket is characterized in that, described energy-absorption bracket is comprised of the internal support of housing and support housing, and described housing comprises the upper and lower frame that the position is relative, and the left frame and the left frame that are positioned at upper and lower frame two ends;
Described upper and lower frame undulate schistose texture, and be provided with a plurality of lightening holes and adjustment hole, described left frame connects supervisor's beam, and described left frame connects the knee backplate;
Described internal support comprises the first strut member, the second strut member and the 3rd strut member;
Described the first strut member connects respectively upper and lower frame, and energy-absorption bracket is divided into two parts: near the narrow shape part of supervisor's beam one side and the wide shape part of close knee backplate one side; Described the second strut member is positioned at the first strut member left side, is connected in the narrow shape part; Described the 3rd strut member is positioned at the first strut member right side, is connected in the wide shape part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210088382.9A CN103359039B (en) | 2012-03-29 | 2012-03-29 | A kind of knee energy-absorbing fender guard and energy-absorption bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210088382.9A CN103359039B (en) | 2012-03-29 | 2012-03-29 | A kind of knee energy-absorbing fender guard and energy-absorption bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103359039A true CN103359039A (en) | 2013-10-23 |
| CN103359039B CN103359039B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210088382.9A Expired - Fee Related CN103359039B (en) | 2012-03-29 | 2012-03-29 | A kind of knee energy-absorbing fender guard and energy-absorption bracket |
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| Country | Link |
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| CN (1) | CN103359039B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016165949A1 (en) * | 2015-04-17 | 2016-10-20 | China-Euro Vehicle Technology Aktiebolag | Energy-absorbing knee bolster frame for a vehicle |
| CN106627467A (en) * | 2015-10-29 | 2017-05-10 | 福特环球技术公司 | Polymeric bracket for instrumental panel side passenger knee protection |
| US10215215B2 (en) | 2015-04-09 | 2019-02-26 | Ningbo Geely Automobile Research & Development Co., Ltd. | Tolerance absorber sleeve and assembly |
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| US5273314A (en) * | 1991-10-17 | 1993-12-28 | Toyota Jidosha Kabushiki Kaisha | Supporting bracket for knee panel |
| WO1997004992A1 (en) * | 1995-07-28 | 1997-02-13 | Daewoo Motor Co., Ltd. | Knee bolster of a vehicle |
| US20030057692A1 (en) * | 2001-09-21 | 2003-03-27 | Dr. Ing H.C.F. Porsche Aktiengesellschaft | Knee support for motor vehicles |
| JP2003112592A (en) * | 2001-09-21 | 2003-04-15 | Dr Ing H C F Porsche Ag | Knee support device for occupant |
| CN1724295A (en) * | 2004-07-20 | 2006-01-25 | 现代自动车株式会社 | Knee protection structure on vehicle |
| CN101360634A (en) * | 2006-01-27 | 2009-02-04 | 福罗西内空间体系有限公司 | Energy-absorption element, device for protecting against an impact, motor vehicle inner pannelling component and crossmember |
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2012
- 2012-03-29 CN CN201210088382.9A patent/CN103359039B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273314A (en) * | 1991-10-17 | 1993-12-28 | Toyota Jidosha Kabushiki Kaisha | Supporting bracket for knee panel |
| WO1997004992A1 (en) * | 1995-07-28 | 1997-02-13 | Daewoo Motor Co., Ltd. | Knee bolster of a vehicle |
| US20030057692A1 (en) * | 2001-09-21 | 2003-03-27 | Dr. Ing H.C.F. Porsche Aktiengesellschaft | Knee support for motor vehicles |
| JP2003112592A (en) * | 2001-09-21 | 2003-04-15 | Dr Ing H C F Porsche Ag | Knee support device for occupant |
| CN1724295A (en) * | 2004-07-20 | 2006-01-25 | 现代自动车株式会社 | Knee protection structure on vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10215215B2 (en) | 2015-04-09 | 2019-02-26 | Ningbo Geely Automobile Research & Development Co., Ltd. | Tolerance absorber sleeve and assembly |
| WO2016165949A1 (en) * | 2015-04-17 | 2016-10-20 | China-Euro Vehicle Technology Aktiebolag | Energy-absorbing knee bolster frame for a vehicle |
| CN107820468A (en) * | 2015-04-17 | 2018-03-20 | 宁波吉利汽车研究开发有限公司 | Energy-absorbing kneepad frame for vehicle |
| US10464516B2 (en) | 2015-04-17 | 2019-11-05 | Ningbo Geely Automobile Research & Development Co., Ltd. | Energy-absorbing knee bolster frame for a vehicle |
| CN107820468B (en) * | 2015-04-17 | 2020-09-15 | 宁波吉利汽车研究开发有限公司 | Energy-absorbing knee bolster frame for vehicle |
| CN106627467A (en) * | 2015-10-29 | 2017-05-10 | 福特环球技术公司 | Polymeric bracket for instrumental panel side passenger knee protection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103359039B (en) | 2016-02-10 |
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