JP5512432B2 - プリテンショナ機構 - Google Patents
プリテンショナ機構 Download PDFInfo
- Publication number
- JP5512432B2 JP5512432B2 JP2010160101A JP2010160101A JP5512432B2 JP 5512432 B2 JP5512432 B2 JP 5512432B2 JP 2010160101 A JP2010160101 A JP 2010160101A JP 2010160101 A JP2010160101 A JP 2010160101A JP 5512432 B2 JP5512432 B2 JP 5512432B2
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- communication hole
- plate
- webbing
- 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.)
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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
-
- 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
- B60R22/4633—Linear actuators, e.g. comprising a piston moving along reel axis and rotating along its own axis
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- 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
- B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
-
- 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
- B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness
-
- 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
- B60R2022/4661—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators comprising venting means, e.g. for avoiding overpressure in case of fire or for allowing return motion with energy absorption
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Automotive Seat Belt Assembly (AREA)
Description
図2には、本発明の第1の実施の形態に係るプリテンショナ機構36が適用されたウェビング巻取装置10が車幅方向外側かつ車両前後方向一側から見た分解斜視図にて示されており、図3には、ウェビング巻取装置10が車両前後方向一側から見た側面図にて示されている。なお、図面では、車幅方向外側を矢印OUTで示し、車両前後方向一側を矢印LOで示し、上方を矢印UPで示す。
図6の(A)及び(B)には、本発明の第2の実施の形態に係るプリテンショナ機構100の主要部が断面図にて示されている。
36 プリテンショナ機構
66 シリンダ(筒部材)
82 閉鎖部材
86 ネジ溝(連通溝)
88 ピストン(移動部材)
98 連通孔
100 プリテンショナ機構
Claims (3)
- 車両の乗員を拘束可能にされたウェビングと、
所定の機会に内部にガスが供給される筒部材と、
前記筒部材内に移動可能に設けられ、一側と他側とを連通する連通孔が形成された移動部材と、
前記連通孔内に挿入されて前記連通孔を閉鎖し、前記筒部材内に供給されたガスの圧力により前記移動部材が一側へ移動されて前記ウェビングによる乗員の拘束力が増加される閉鎖部材と、
前記連通孔又は前記閉鎖部材に前記連通孔と前記閉鎖部材との間において形成され、前記閉鎖部材の一側と他側とを連通する連通溝と、
を備えたプリテンショナ機構。 - 前記連通溝を螺旋状に形成した請求項1記載のプリテンショナ機構。
- 前記閉鎖部材をイモネジにした請求項2記載のプリテンショナ機構。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010160101A JP5512432B2 (ja) | 2010-07-14 | 2010-07-14 | プリテンショナ機構 |
CN201110177428XA CN102336174A (zh) | 2010-07-14 | 2011-06-22 | 预紧机构 |
KR1020110066766A KR101384298B1 (ko) | 2010-07-14 | 2011-07-06 | 프리텐셔너 기구 |
US13/179,257 US8376406B2 (en) | 2010-07-14 | 2011-07-08 | Pretensioner mechanism |
DE102011078970.7A DE102011078970B4 (de) | 2010-07-14 | 2011-07-11 | Gurtstraffermechanismus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010160101A JP5512432B2 (ja) | 2010-07-14 | 2010-07-14 | プリテンショナ機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012020658A JP2012020658A (ja) | 2012-02-02 |
JP5512432B2 true JP5512432B2 (ja) | 2014-06-04 |
Family
ID=45403120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010160101A Active JP5512432B2 (ja) | 2010-07-14 | 2010-07-14 | プリテンショナ機構 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8376406B2 (ja) |
JP (1) | JP5512432B2 (ja) |
KR (1) | KR101384298B1 (ja) |
CN (1) | CN102336174A (ja) |
DE (1) | DE102011078970B4 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5571043B2 (ja) * | 2010-12-22 | 2014-08-13 | 株式会社東海理化電機製作所 | プリテンショナ |
KR101405791B1 (ko) * | 2012-10-15 | 2014-06-12 | 현대자동차주식회사 | 자동차용 리트렉터 프리텐셔너의 가스 배출 장치 |
JP2015196462A (ja) * | 2014-04-01 | 2015-11-09 | 株式会社東海理化電機製作所 | ウェビング巻取装置 |
US10369962B2 (en) * | 2017-05-15 | 2019-08-06 | Ford Global Technologies, Llc | Restraint system |
WO2019191779A1 (en) * | 2018-03-30 | 2019-10-03 | Joyson Safety Systems Acquisition Llc | Seat belt retractor |
US10589711B2 (en) * | 2018-04-13 | 2020-03-17 | GM Global Technology Operations LLC | Seatbelt pretensioner shield and heat energy dissipator |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29520307U1 (de) * | 1995-12-21 | 1996-04-18 | Trw Occupant Restraint Systems Gmbh, 73551 Alfdorf | Linearantrieb für einen Gurtstraffer |
DE19837927C2 (de) * | 1998-08-20 | 2001-07-12 | Breed Automotive Tech | Vorrichtung zum Straffen eines Kraftfahrzeugsicherheitsgurtes |
JP4136181B2 (ja) * | 1999-04-30 | 2008-08-20 | 株式会社東海理化電機製作所 | ウエビング巻取装置用プリテンショナー |
JP3943295B2 (ja) * | 1999-08-25 | 2007-07-11 | タカタ株式会社 | プリテンショナ及びそれを有するシートベルト装置 |
JP3819189B2 (ja) * | 1999-10-06 | 2006-09-06 | 株式会社東海理化電機製作所 | プリテンショナ |
US6340176B1 (en) * | 2000-03-31 | 2002-01-22 | Delphi Technologies, Inc. | Seat restraint tensioner |
JP3878423B2 (ja) * | 2000-06-13 | 2007-02-07 | 株式会社東海理化電機製作所 | ウエビング巻取装置 |
JP4651841B2 (ja) * | 2001-03-22 | 2011-03-16 | オートリブ株式会社 | シートベルト装置 |
US6698677B1 (en) * | 2002-11-12 | 2004-03-02 | H. Koch & Sons Co., Inc. | Restraint pretensioner |
DE10342283A1 (de) * | 2003-09-12 | 2005-04-07 | Trw Occupant Restraint Systems Gmbh & Co. Kg | Pyrotechnischer Antrieb |
DE102004002428B4 (de) * | 2004-01-16 | 2015-12-17 | Trw Automotive Gmbh | Gurtstraffer für einen Sicherheitsgurtaufroller |
CN100429097C (zh) * | 2005-06-17 | 2008-10-29 | 株式会社东海理化电机制作所 | 预加载器 |
JP4907249B2 (ja) | 2006-07-19 | 2012-03-28 | タカタ株式会社 | シートベルトリトラクタ及びシートベルト装置 |
CN200957798Y (zh) * | 2006-10-02 | 2007-10-10 | 陈万松 | 汽车安全带旋转预收紧器 |
JP2010018071A (ja) | 2008-07-08 | 2010-01-28 | Ashimori Ind Co Ltd | シートベルト用リトラクタ |
JP2009269463A (ja) * | 2008-05-07 | 2009-11-19 | Tokai Rika Co Ltd | ウェビング巻取装置 |
-
2010
- 2010-07-14 JP JP2010160101A patent/JP5512432B2/ja active Active
-
2011
- 2011-06-22 CN CN201110177428XA patent/CN102336174A/zh active Pending
- 2011-07-06 KR KR1020110066766A patent/KR101384298B1/ko active IP Right Grant
- 2011-07-08 US US13/179,257 patent/US8376406B2/en active Active
- 2011-07-11 DE DE102011078970.7A patent/DE102011078970B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
KR101384298B1 (ko) | 2014-04-10 |
CN102336174A (zh) | 2012-02-01 |
US8376406B2 (en) | 2013-02-19 |
KR20120007445A (ko) | 2012-01-20 |
DE102011078970A1 (de) | 2012-01-19 |
JP2012020658A (ja) | 2012-02-02 |
DE102011078970B4 (de) | 2017-09-21 |
US20120013111A1 (en) | 2012-01-19 |
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